Vulnerabilities > CVE-2019-0995 - Unspecified vulnerability in Microsoft Internet Explorer 11
Attack vector
NETWORK Attack complexity
LOW Privileges required
NONE Confidentiality impact
HIGH Integrity impact
HIGH Availability impact
HIGH Summary
A security feature bypass vulnerability exists when urlmon.dll improperly handles certain Mark of the Web queries, aka 'Internet Explorer Security Feature Bypass Vulnerability'.
Vulnerable Configurations
| Part | Description | Count |
|---|---|---|
| Application | 1 | |
| OS | 6 |
Nessus
NASL family Windows : Microsoft Bulletins NASL id SMB_NT_MS19_MAY_4499181.NASL description The remote Windows host is missing security update 4499181. It is, therefore, affected by multiple vulnerabilities : - A new subclass of speculative execution side channel vulnerabilities, known as Microarchitectural Data Sampling, exist in Windows. An attacker who successfully exploited these vulnerabilities may be able to read privileged data across trust boundaries. In shared resource environments (such as exists in some cloud services configurations), these vulnerabilities could allow one virtual machine to improperly access information from another. In non-browsing scenarios on standalone systems, an attacker would need prior access to the system or an ability to run a specially crafted application on the target system to leverage these vulnerabilities. (CVE-2019-11091, CVE-2018-12126, CVE-2018-12127, CVE-2018-12130) - A security feature bypass vulnerability exists when urlmon.dll improperly handles certain Mark of the Web queries. The vulnerability allows Internet Explorer to bypass Mark of the Web warnings or restrictions for files downloaded or created in a specific way. (CVE-2019-0995) - A remote code execution vulnerability exists in the way that Microsoft browsers access objects in memory. The vulnerability could corrupt memory in a way that could allow an attacker to execute arbitrary code in the context of the current user. An attacker who successfully exploited the vulnerability could gain the same user rights as the current user. (CVE-2019-0940) - A remote code execution vulnerability exists when the Windows Jet Database Engine improperly handles objects in memory. An attacker who successfully exploited this vulnerability could execute arbitrary code on a victim system. An attacker could exploit this vulnerability by enticing a victim to open a specially crafted file. The update addresses the vulnerability by correcting the way the Windows Jet Database Engine handles objects in memory. (CVE-2019-0889, CVE-2019-0890, CVE-2019-0891, CVE-2019-0893, CVE-2019-0894, CVE-2019-0895, CVE-2019-0896, CVE-2019-0897, CVE-2019-0898, CVE-2019-0899, CVE-2019-0900, CVE-2019-0901, CVE-2019-0902) - An elevation of privilege vulnerability exists when the Windows Kernel improperly handles key enumeration. An attacker who successfully exploited the vulnerability could gain elevated privileges on a targeted system. A locally authenticated attacker could exploit this vulnerability by running a specially crafted application. The security update addresses the vulnerability by helping to ensure that the Windows Kernel properly handles key enumeration. (CVE-2019-0881) - A remote code execution vulnerability exists in the way that the Windows Graphics Device Interface (GDI) handles objects in the memory. An attacker who successfully exploited this vulnerability could take control of the affected system. An attacker could then install programs; view, change, or delete data; or create new accounts with full user rights. (CVE-2019-0903) - An information disclosure vulnerability exists when Windows Hyper-V on a host operating system fails to properly validate input from an authenticated user on a guest operating system. (CVE-2019-0886) - An elevation of privilege vulnerability exists in the Unified Write Filter (UWF) feature for Windows 10 when it improperly restricts access to the registry. An attacker who successfully exploited the vulnerability could make changes to the registry keys protected by UWF without having administrator privileges. (CVE-2019-0942) - A remote code execution vulnerability exists in the way that the Chakra scripting engine handles objects in memory in Microsoft Edge. The vulnerability could corrupt memory in such a way that an attacker could execute arbitrary code in the context of the current user. An attacker who successfully exploited the vulnerability could gain the same user rights as the current user. (CVE-2019-0912, CVE-2019-0913, CVE-2019-0914, CVE-2019-0915, CVE-2019-0916, CVE-2019-0917, CVE-2019-0922, CVE-2019-0923, CVE-2019-0924, CVE-2019-0925, CVE-2019-0927, CVE-2019-0933) - A security feature bypass vulnerability exists in Windows Defender Application Control (WDAC) which could allow an attacker to bypass WDAC enforcement. An attacker who successfully exploited this vulnerability could circumvent Windows PowerShell Constrained Language Mode on the machine. (CVE-2019-0733) - An spoofing vulnerability exists when Internet Explorer improperly handles URLs. An attacker who successfully exploited this vulnerability could trick a user by redirecting the user to a specially crafted website. The specially crafted website could either spoof content or serve as a pivot to chain an attack with other vulnerabilities in web services. (CVE-2019-0921) - An elevation of privilege vulnerability exists when the Diagnostics Hub Standard Collector or the Visual Studio Standard Collector allows file deletion in arbitrary locations. (CVE-2019-0727) - An elevation of privilege vulnerability exists in Microsoft Windows when a man-in-the-middle attacker is able to successfully decode and replace authentication request using Kerberos, allowing an attacker to be validated as an Administrator. The update addresses this vulnerability by changing how these requests are validated. (CVE-2019-0734) - A remote code execution vulnerability exists when Microsoft Windows OLE fails to properly validate user input. An attacker could exploit the vulnerability to execute malicious code. (CVE-2019-0885) - A remote code execution vulnerability exists in the way the scripting engine handles objects in memory in Microsoft browsers. The vulnerability could corrupt memory in such a way that an attacker could execute arbitrary code in the context of the current user. An attacker who successfully exploited the vulnerability could gain the same user rights as the current user. (CVE-2019-0884, CVE-2019-0911, CVE-2019-0918) - An elevation of privilege vulnerability exists in the way Windows Error Reporting (WER) handles files. An attacker who successfully exploited this vulnerability could run arbitrary code in kernel mode. An attacker could then install programs; view, change, or delete data; or create new accounts with administrator privileges. (CVE-2019-0863) - An information disclosure vulnerability exists when Internet Explorer improperly handles objects in memory. An attacker who successfully exploited the vulnerability could obtain information to further compromise the users system. (CVE-2019-0930) - A denial of service vulnerability exists when .NET Framework and .NET Core improperly process RegEx strings. An attacker who successfully exploited this vulnerability could cause a denial of service against a .NET application. A remote unauthenticated attacker could exploit this vulnerability by issuing specially crafted requests to a .NET Framework (or .NET core) application. The update addresses the vulnerability by correcting how .NET Framework and .NET Core applications handle RegEx string processing. (CVE-2019-0820) - An elevation of privilege vulnerability exists in Microsoft Windows when Windows fails to properly handle certain symbolic links. An attacker who successfully exploited this vulnerability could potentially set certain items to run at a higher level and thereby elevate permissions. (CVE-2019-0936) - An elevation of privilege vulnerability exists when the Storage Service improperly handles file operations. An attacker who successfully exploited this vulnerability could gain elevated privileges on the victim system. (CVE-2019-0931) - A denial of service vulnerability exists when .NET Framework improperly handles objects in heap memory. An attacker who successfully exploited this vulnerability could cause a denial of service against a .NET application. (CVE-2019-0864) - An information disclosure vulnerability exists when the Windows GDI component improperly discloses the contents of its memory. An attacker who successfully exploited the vulnerability could obtain information to further compromise the users system. There are multiple ways an attacker could exploit the vulnerability, such as by convincing a user to open a specially crafted document, or by convincing a user to visit an untrusted webpage. The security update addresses the vulnerability by correcting how the Windows GDI component handles objects in memory. (CVE-2019-0758, CVE-2019-0882, CVE-2019-0961) - An elevation of privilege vulnerability exists in Microsoft Edge that could allow an attacker to escape from the AppContainer sandbox in the browser. An attacker who successfully exploited this vulnerability could gain elevated privileges and break out of the Edge AppContainer sandbox. The vulnerability by itself does not allow arbitrary code to run. However, this vulnerability could be used in conjunction with one or more vulnerabilities (for example a remote code execution vulnerability and another elevation of privilege vulnerability) to take advantage of the elevated privileges when running. The security update addresses the vulnerability by modifying how Microsoft Edge handles sandboxing. (CVE-2019-0938) - An elevation of privilege vulnerability exists in the Network Driver Interface Specification (NDIS) when ndis.sys fails to check the length of a buffer prior to copying memory to it. (CVE-2019-0707) - A denial of service vulnerability exists when .NET Framework or .NET Core improperly handle web requests. An attacker who successfully exploited this vulnerability could cause a denial of service against a .NET Framework or .NET Core web application. The vulnerability can be exploited remotely, without authentication. A remote unauthenticated attacker could exploit this vulnerability by issuing specially crafted requests to the .NET Framework or .NET Core application. The update addresses the vulnerability by correcting how .NET Framework or .NET Core web applications handles web requests. (CVE-2019-0980, CVE-2019-0981) last seen 2020-06-01 modified 2020-06-02 plugin id 125067 published 2019-05-14 reporter This script is Copyright (C) 2019 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/125067 title KB4499181: Windows 10 Version 1703 May 2019 Security Update (MDSUM/RIDL) (MFBDS/RIDL/ZombieLoad) (MLPDS/RIDL) (MSBDS/Fallout) code # # (C) Tenable Network Security, Inc. # # The descriptive text and package checks in this plugin were # extracted from the Microsoft Security Updates API. The text # itself is copyright (C) Microsoft Corporation. # include("compat.inc"); if (description) { script_id(125067); script_version("1.9"); script_cvs_date("Date: 2019/12/18"); script_cve_id( "CVE-2018-12126", "CVE-2018-12127", "CVE-2018-12130", "CVE-2019-0707", "CVE-2019-0727", "CVE-2019-0733", "CVE-2019-0734", "CVE-2019-0758", "CVE-2019-0820", "CVE-2019-0863", "CVE-2019-0864", "CVE-2019-0881", "CVE-2019-0882", "CVE-2019-0884", "CVE-2019-0885", "CVE-2019-0886", "CVE-2019-0889", "CVE-2019-0890", "CVE-2019-0891", "CVE-2019-0893", "CVE-2019-0894", "CVE-2019-0895", "CVE-2019-0896", "CVE-2019-0897", "CVE-2019-0898", "CVE-2019-0899", "CVE-2019-0900", "CVE-2019-0901", "CVE-2019-0902", "CVE-2019-0903", "CVE-2019-0911", "CVE-2019-0912", "CVE-2019-0913", "CVE-2019-0914", "CVE-2019-0915", "CVE-2019-0916", "CVE-2019-0917", "CVE-2019-0918", "CVE-2019-0921", "CVE-2019-0922", "CVE-2019-0923", "CVE-2019-0924", "CVE-2019-0925", "CVE-2019-0927", "CVE-2019-0930", "CVE-2019-0931", "CVE-2019-0933", "CVE-2019-0936", "CVE-2019-0938", "CVE-2019-0940", "CVE-2019-0942", "CVE-2019-0961", "CVE-2019-0995", "CVE-2019-11091" ); script_xref(name:"MSKB", value:"4499181"); script_xref(name:"MSFT", value:"MS19-4499181"); script_name(english:"KB4499181: Windows 10 Version 1703 May 2019 Security Update (MDSUM/RIDL) (MFBDS/RIDL/ZombieLoad) (MLPDS/RIDL) (MSBDS/Fallout)"); script_summary(english:"Checks for rollup."); script_set_attribute(attribute:"synopsis", value: "The remote Windows host is affected by multiple vulnerabilities."); script_set_attribute(attribute:"description", value: "The remote Windows host is missing security update 4499181. It is, therefore, affected by multiple vulnerabilities : - A new subclass of speculative execution side channel vulnerabilities, known as Microarchitectural Data Sampling, exist in Windows. An attacker who successfully exploited these vulnerabilities may be able to read privileged data across trust boundaries. In shared resource environments (such as exists in some cloud services configurations), these vulnerabilities could allow one virtual machine to improperly access information from another. In non-browsing scenarios on standalone systems, an attacker would need prior access to the system or an ability to run a specially crafted application on the target system to leverage these vulnerabilities. (CVE-2019-11091, CVE-2018-12126, CVE-2018-12127, CVE-2018-12130) - A security feature bypass vulnerability exists when urlmon.dll improperly handles certain Mark of the Web queries. The vulnerability allows Internet Explorer to bypass Mark of the Web warnings or restrictions for files downloaded or created in a specific way. (CVE-2019-0995) - A remote code execution vulnerability exists in the way that Microsoft browsers access objects in memory. The vulnerability could corrupt memory in a way that could allow an attacker to execute arbitrary code in the context of the current user. An attacker who successfully exploited the vulnerability could gain the same user rights as the current user. (CVE-2019-0940) - A remote code execution vulnerability exists when the Windows Jet Database Engine improperly handles objects in memory. An attacker who successfully exploited this vulnerability could execute arbitrary code on a victim system. An attacker could exploit this vulnerability by enticing a victim to open a specially crafted file. The update addresses the vulnerability by correcting the way the Windows Jet Database Engine handles objects in memory. (CVE-2019-0889, CVE-2019-0890, CVE-2019-0891, CVE-2019-0893, CVE-2019-0894, CVE-2019-0895, CVE-2019-0896, CVE-2019-0897, CVE-2019-0898, CVE-2019-0899, CVE-2019-0900, CVE-2019-0901, CVE-2019-0902) - An elevation of privilege vulnerability exists when the Windows Kernel improperly handles key enumeration. An attacker who successfully exploited the vulnerability could gain elevated privileges on a targeted system. A locally authenticated attacker could exploit this vulnerability by running a specially crafted application. The security update addresses the vulnerability by helping to ensure that the Windows Kernel properly handles key enumeration. (CVE-2019-0881) - A remote code execution vulnerability exists in the way that the Windows Graphics Device Interface (GDI) handles objects in the memory. An attacker who successfully exploited this vulnerability could take control of the affected system. An attacker could then install programs; view, change, or delete data; or create new accounts with full user rights. (CVE-2019-0903) - An information disclosure vulnerability exists when Windows Hyper-V on a host operating system fails to properly validate input from an authenticated user on a guest operating system. (CVE-2019-0886) - An elevation of privilege vulnerability exists in the Unified Write Filter (UWF) feature for Windows 10 when it improperly restricts access to the registry. An attacker who successfully exploited the vulnerability could make changes to the registry keys protected by UWF without having administrator privileges. (CVE-2019-0942) - A remote code execution vulnerability exists in the way that the Chakra scripting engine handles objects in memory in Microsoft Edge. The vulnerability could corrupt memory in such a way that an attacker could execute arbitrary code in the context of the current user. An attacker who successfully exploited the vulnerability could gain the same user rights as the current user. (CVE-2019-0912, CVE-2019-0913, CVE-2019-0914, CVE-2019-0915, CVE-2019-0916, CVE-2019-0917, CVE-2019-0922, CVE-2019-0923, CVE-2019-0924, CVE-2019-0925, CVE-2019-0927, CVE-2019-0933) - A security feature bypass vulnerability exists in Windows Defender Application Control (WDAC) which could allow an attacker to bypass WDAC enforcement. An attacker who successfully exploited this vulnerability could circumvent Windows PowerShell Constrained Language Mode on the machine. (CVE-2019-0733) - An spoofing vulnerability exists when Internet Explorer improperly handles URLs. An attacker who successfully exploited this vulnerability could trick a user by redirecting the user to a specially crafted website. The specially crafted website could either spoof content or serve as a pivot to chain an attack with other vulnerabilities in web services. (CVE-2019-0921) - An elevation of privilege vulnerability exists when the Diagnostics Hub Standard Collector or the Visual Studio Standard Collector allows file deletion in arbitrary locations. (CVE-2019-0727) - An elevation of privilege vulnerability exists in Microsoft Windows when a man-in-the-middle attacker is able to successfully decode and replace authentication request using Kerberos, allowing an attacker to be validated as an Administrator. The update addresses this vulnerability by changing how these requests are validated. (CVE-2019-0734) - A remote code execution vulnerability exists when Microsoft Windows OLE fails to properly validate user input. An attacker could exploit the vulnerability to execute malicious code. (CVE-2019-0885) - A remote code execution vulnerability exists in the way the scripting engine handles objects in memory in Microsoft browsers. The vulnerability could corrupt memory in such a way that an attacker could execute arbitrary code in the context of the current user. An attacker who successfully exploited the vulnerability could gain the same user rights as the current user. (CVE-2019-0884, CVE-2019-0911, CVE-2019-0918) - An elevation of privilege vulnerability exists in the way Windows Error Reporting (WER) handles files. An attacker who successfully exploited this vulnerability could run arbitrary code in kernel mode. An attacker could then install programs; view, change, or delete data; or create new accounts with administrator privileges. (CVE-2019-0863) - An information disclosure vulnerability exists when Internet Explorer improperly handles objects in memory. An attacker who successfully exploited the vulnerability could obtain information to further compromise the users system. (CVE-2019-0930) - A denial of service vulnerability exists when .NET Framework and .NET Core improperly process RegEx strings. An attacker who successfully exploited this vulnerability could cause a denial of service against a .NET application. A remote unauthenticated attacker could exploit this vulnerability by issuing specially crafted requests to a .NET Framework (or .NET core) application. The update addresses the vulnerability by correcting how .NET Framework and .NET Core applications handle RegEx string processing. (CVE-2019-0820) - An elevation of privilege vulnerability exists in Microsoft Windows when Windows fails to properly handle certain symbolic links. An attacker who successfully exploited this vulnerability could potentially set certain items to run at a higher level and thereby elevate permissions. (CVE-2019-0936) - An elevation of privilege vulnerability exists when the Storage Service improperly handles file operations. An attacker who successfully exploited this vulnerability could gain elevated privileges on the victim system. (CVE-2019-0931) - A denial of service vulnerability exists when .NET Framework improperly handles objects in heap memory. An attacker who successfully exploited this vulnerability could cause a denial of service against a .NET application. (CVE-2019-0864) - An information disclosure vulnerability exists when the Windows GDI component improperly discloses the contents of its memory. An attacker who successfully exploited the vulnerability could obtain information to further compromise the users system. There are multiple ways an attacker could exploit the vulnerability, such as by convincing a user to open a specially crafted document, or by convincing a user to visit an untrusted webpage. The security update addresses the vulnerability by correcting how the Windows GDI component handles objects in memory. (CVE-2019-0758, CVE-2019-0882, CVE-2019-0961) - An elevation of privilege vulnerability exists in Microsoft Edge that could allow an attacker to escape from the AppContainer sandbox in the browser. An attacker who successfully exploited this vulnerability could gain elevated privileges and break out of the Edge AppContainer sandbox. The vulnerability by itself does not allow arbitrary code to run. However, this vulnerability could be used in conjunction with one or more vulnerabilities (for example a remote code execution vulnerability and another elevation of privilege vulnerability) to take advantage of the elevated privileges when running. The security update addresses the vulnerability by modifying how Microsoft Edge handles sandboxing. (CVE-2019-0938) - An elevation of privilege vulnerability exists in the Network Driver Interface Specification (NDIS) when ndis.sys fails to check the length of a buffer prior to copying memory to it. (CVE-2019-0707) - A denial of service vulnerability exists when .NET Framework or .NET Core improperly handle web requests. An attacker who successfully exploited this vulnerability could cause a denial of service against a .NET Framework or .NET Core web application. The vulnerability can be exploited remotely, without authentication. A remote unauthenticated attacker could exploit this vulnerability by issuing specially crafted requests to the .NET Framework or .NET Core application. The update addresses the vulnerability by correcting how .NET Framework or .NET Core web applications handles web requests. (CVE-2019-0980, CVE-2019-0981)"); # https://support.microsoft.com/en-us/help/4499181/windows-10-update-kb4499181 script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?3eea20b0"); # https://support.microsoft.com/en-us/help/4072698/windows-server-speculative-execution-side-channel-vulnerabilities-prot script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?8902cebb"); script_set_attribute(attribute:"solution", value: "Apply Cumulative Update KB4499181."); script_set_cvss_base_vector("CVSS2#AV:N/AC:M/Au:N/C:C/I:C/A:C"); script_set_cvss_temporal_vector("CVSS2#E:H/RL:OF/RC:C"); script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"); script_set_cvss3_temporal_vector("CVSS:3.0/E:H/RL:O/RC:C"); script_set_attribute(attribute:"cvss_score_source", value:"CVE-2019-0903"); script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available"); script_set_attribute(attribute:"exploit_available", value:"true"); script_set_attribute(attribute:"exploited_by_malware", value:"true"); script_set_attribute(attribute:"vuln_publication_date", value:"2019/05/14"); script_set_attribute(attribute:"patch_publication_date", value:"2019/05/14"); script_set_attribute(attribute:"plugin_publication_date", value:"2019/05/14"); script_set_attribute(attribute:"plugin_type", value:"local"); script_set_attribute(attribute:"cpe", value:"cpe:/o:microsoft:windows"); script_end_attributes(); script_category(ACT_GATHER_INFO); script_family(english:"Windows : Microsoft Bulletins"); script_copyright(english:"This script is Copyright (C) 2019 and is owned by Tenable, Inc. or an Affiliate thereof."); script_dependencies("smb_check_rollup.nasl", "smb_hotfixes.nasl", "ms_bulletin_checks_possible.nasl", 'microsoft_windows_env_vars.nasl'); script_require_keys("SMB/MS_Bulletin_Checks/Possible"); script_require_ports(139, 445, "Host/patch_management_checks"); exit(0); } include("audit.inc"); include("smb_hotfixes_fcheck.inc"); include("smb_hotfixes.inc"); include("smb_func.inc"); include("misc_func.inc"); include("smb_reg_query.inc"); get_kb_item_or_exit("SMB/MS_Bulletin_Checks/Possible"); bulletin = "MS19-05"; kbs = make_list('4499181'); if (get_kb_item("Host/patch_management_checks")) hotfix_check_3rd_party(bulletin:bulletin, kbs:kbs, severity:SECURITY_HOLE); get_kb_item_or_exit("SMB/Registry/Enumerated"); get_kb_item_or_exit("SMB/WindowsVersion", exit_code:1); productname = get_kb_item_or_exit("SMB/ProductName"); if (hotfix_check_sp_range(win10:'0') <= 0) audit(AUDIT_OS_SP_NOT_VULN); share = hotfix_get_systemdrive(as_share:TRUE, exit_on_fail:TRUE); if (!is_accessible_share(share:share)) audit(AUDIT_SHARE_FAIL, share); if ( smb_check_rollup(os:"10", sp:0, os_build:"15063", rollup_date:"05_2019", bulletin:bulletin, rollup_kb_list:[4499181]) ) { replace_kb_item(name:'SMB/Missing/'+bulletin, value:TRUE); hotfix_security_hole(); hotfix_check_fversion_end(); exit(0); } else { hotfix_check_fversion_end(); audit(AUDIT_HOST_NOT, hotfix_get_audit_report()); }NASL family Windows : Microsoft Bulletins NASL id SMB_NT_MS19_MAY_4499179.NASL description The remote Windows host is missing security update 4499179. It is, therefore, affected by multiple vulnerabilities : - A new subclass of speculative execution side channel vulnerabilities, known as Microarchitectural Data Sampling, exist in Windows. An attacker who successfully exploited these vulnerabilities may be able to read privileged data across trust boundaries. In shared resource environments (such as exists in some cloud services configurations), these vulnerabilities could allow one virtual machine to improperly access information from another. In non-browsing scenarios on standalone systems, an attacker would need prior access to the system or an ability to run a specially crafted application on the target system to leverage these vulnerabilities. (CVE-2019-11091, CVE-2018-12126, CVE-2018-12127, CVE-2018-12130) - A security feature bypass vulnerability exists when urlmon.dll improperly handles certain Mark of the Web queries. The vulnerability allows Internet Explorer to bypass Mark of the Web warnings or restrictions for files downloaded or created in a specific way. (CVE-2019-0995) - A remote code execution vulnerability exists in the way that Microsoft browsers access objects in memory. The vulnerability could corrupt memory in a way that could allow an attacker to execute arbitrary code in the context of the current user. An attacker who successfully exploited the vulnerability could gain the same user rights as the current user. (CVE-2019-0940) - A remote code execution vulnerability exists when the Windows Jet Database Engine improperly handles objects in memory. An attacker who successfully exploited this vulnerability could execute arbitrary code on a victim system. An attacker could exploit this vulnerability by enticing a victim to open a specially crafted file. The update addresses the vulnerability by correcting the way the Windows Jet Database Engine handles objects in memory. (CVE-2019-0889, CVE-2019-0890, CVE-2019-0891, CVE-2019-0893, CVE-2019-0894, CVE-2019-0895, CVE-2019-0896, CVE-2019-0897, CVE-2019-0898, CVE-2019-0899, CVE-2019-0900, CVE-2019-0901, CVE-2019-0902) - An elevation of privilege vulnerability exists when the Windows Kernel improperly handles key enumeration. An attacker who successfully exploited the vulnerability could gain elevated privileges on a targeted system. A locally authenticated attacker could exploit this vulnerability by running a specially crafted application. The security update addresses the vulnerability by helping to ensure that the Windows Kernel properly handles key enumeration. (CVE-2019-0881) - A remote code execution vulnerability exists in the way that the Windows Graphics Device Interface (GDI) handles objects in the memory. An attacker who successfully exploited this vulnerability could take control of the affected system. An attacker could then install programs; view, change, or delete data; or create new accounts with full user rights. (CVE-2019-0903) - An information disclosure vulnerability exists when Windows Hyper-V on a host operating system fails to properly validate input from an authenticated user on a guest operating system. (CVE-2019-0886) - An elevation of privilege vulnerability exists in the Unified Write Filter (UWF) feature for Windows 10 when it improperly restricts access to the registry. An attacker who successfully exploited the vulnerability could make changes to the registry keys protected by UWF without having administrator privileges. (CVE-2019-0942) - A remote code execution vulnerability exists in the way that the Chakra scripting engine handles objects in memory in Microsoft Edge. The vulnerability could corrupt memory in such a way that an attacker could execute arbitrary code in the context of the current user. An attacker who successfully exploited the vulnerability could gain the same user rights as the current user. (CVE-2019-0912, CVE-2019-0913, CVE-2019-0914, CVE-2019-0915, CVE-2019-0916, CVE-2019-0917, CVE-2019-0922, CVE-2019-0923, CVE-2019-0924, CVE-2019-0925, CVE-2019-0927, CVE-2019-0933) - A security feature bypass vulnerability exists in Windows Defender Application Control (WDAC) which could allow an attacker to bypass WDAC enforcement. An attacker who successfully exploited this vulnerability could circumvent Windows PowerShell Constrained Language Mode on the machine. (CVE-2019-0733) - An spoofing vulnerability exists when Internet Explorer improperly handles URLs. An attacker who successfully exploited this vulnerability could trick a user by redirecting the user to a specially crafted website. The specially crafted website could either spoof content or serve as a pivot to chain an attack with other vulnerabilities in web services. (CVE-2019-0921) - An elevation of privilege vulnerability exists when the Diagnostics Hub Standard Collector or the Visual Studio Standard Collector allows file deletion in arbitrary locations. (CVE-2019-0727) - An elevation of privilege vulnerability exists in Microsoft Windows when a man-in-the-middle attacker is able to successfully decode and replace authentication request using Kerberos, allowing an attacker to be validated as an Administrator. The update addresses this vulnerability by changing how these requests are validated. (CVE-2019-0734) - A remote code execution vulnerability exists when Microsoft Windows OLE fails to properly validate user input. An attacker could exploit the vulnerability to execute malicious code. (CVE-2019-0885) - A remote code execution vulnerability exists in the way the scripting engine handles objects in memory in Microsoft browsers. The vulnerability could corrupt memory in such a way that an attacker could execute arbitrary code in the context of the current user. An attacker who successfully exploited the vulnerability could gain the same user rights as the current user. (CVE-2019-0884, CVE-2019-0911, CVE-2019-0918) - An elevation of privilege vulnerability exists in the way Windows Error Reporting (WER) handles files. An attacker who successfully exploited this vulnerability could run arbitrary code in kernel mode. An attacker could then install programs; view, change, or delete data; or create new accounts with administrator privileges. (CVE-2019-0863) - An information disclosure vulnerability exists when Internet Explorer improperly handles objects in memory. An attacker who successfully exploited the vulnerability could obtain information to further compromise the users system. (CVE-2019-0930) - A denial of service vulnerability exists when .NET Framework and .NET Core improperly process RegEx strings. An attacker who successfully exploited this vulnerability could cause a denial of service against a .NET application. A remote unauthenticated attacker could exploit this vulnerability by issuing specially crafted requests to a .NET Framework (or .NET core) application. The update addresses the vulnerability by correcting how .NET Framework and .NET Core applications handle RegEx string processing. (CVE-2019-0820) - An elevation of privilege vulnerability exists in Microsoft Windows when Windows fails to properly handle certain symbolic links. An attacker who successfully exploited this vulnerability could potentially set certain items to run at a higher level and thereby elevate permissions. (CVE-2019-0936) - A denial of service vulnerability exists when .NET Framework improperly handles objects in heap memory. An attacker who successfully exploited this vulnerability could cause a denial of service against a .NET application. (CVE-2019-0864) - An information disclosure vulnerability exists when the Windows GDI component improperly discloses the contents of its memory. An attacker who successfully exploited the vulnerability could obtain information to further compromise the users system. There are multiple ways an attacker could exploit the vulnerability, such as by convincing a user to open a specially crafted document, or by convincing a user to visit an untrusted webpage. The security update addresses the vulnerability by correcting how the Windows GDI component handles objects in memory. (CVE-2019-0758, CVE-2019-0882, CVE-2019-0961) - An elevation of privilege vulnerability exists in Microsoft Edge that could allow an attacker to escape from the AppContainer sandbox in the browser. An attacker who successfully exploited this vulnerability could gain elevated privileges and break out of the Edge AppContainer sandbox. The vulnerability by itself does not allow arbitrary code to run. However, this vulnerability could be used in conjunction with one or more vulnerabilities (for example a remote code execution vulnerability and another elevation of privilege vulnerability) to take advantage of the elevated privileges when running. The security update addresses the vulnerability by modifying how Microsoft Edge handles sandboxing. (CVE-2019-0938) - An elevation of privilege vulnerability exists in the Network Driver Interface Specification (NDIS) when ndis.sys fails to check the length of a buffer prior to copying memory to it. (CVE-2019-0707) - A denial of service vulnerability exists when .NET Framework or .NET Core improperly handle web requests. An attacker who successfully exploited this vulnerability could cause a denial of service against a .NET Framework or .NET Core web application. The vulnerability can be exploited remotely, without authentication. A remote unauthenticated attacker could exploit this vulnerability by issuing specially crafted requests to the .NET Framework or .NET Core application. The update addresses the vulnerability by correcting how .NET Framework or .NET Core web applications handles web requests. (CVE-2019-0980, CVE-2019-0981) last seen 2020-05-31 modified 2019-05-14 plugin id 125066 published 2019-05-14 reporter This script is Copyright (C) 2019-2020 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/125066 title KB4499179: Windows 10 Version 1709 and Windows Server Version 1709 May 2019 Security Update (MDSUM/RIDL) (MFBDS/RIDL/ZombieLoad) (MLPDS/RIDL) (MSBDS/Fallout) code # # (C) Tenable Network Security, Inc. # # The descriptive text and package checks in this plugin were # extracted from the Microsoft Security Updates API. The text # itself is copyright (C) Microsoft Corporation. # include("compat.inc"); if (description) { script_id(125066); script_version("1.10"); script_set_attribute(attribute:"plugin_modification_date", value:"2020/05/27"); script_cve_id( "CVE-2018-12126", "CVE-2018-12127", "CVE-2018-12130", "CVE-2019-0707", "CVE-2019-0727", "CVE-2019-0733", "CVE-2019-0734", "CVE-2019-0758", "CVE-2019-0820", "CVE-2019-0863", "CVE-2019-0864", "CVE-2019-0881", "CVE-2019-0882", "CVE-2019-0884", "CVE-2019-0885", "CVE-2019-0886", "CVE-2019-0889", "CVE-2019-0890", "CVE-2019-0891", "CVE-2019-0892", "CVE-2019-0893", "CVE-2019-0894", "CVE-2019-0895", "CVE-2019-0896", "CVE-2019-0897", "CVE-2019-0898", "CVE-2019-0899", "CVE-2019-0900", "CVE-2019-0901", "CVE-2019-0902", "CVE-2019-0903", "CVE-2019-0911", "CVE-2019-0912", "CVE-2019-0913", "CVE-2019-0914", "CVE-2019-0915", "CVE-2019-0916", "CVE-2019-0917", "CVE-2019-0918", "CVE-2019-0921", "CVE-2019-0922", "CVE-2019-0923", "CVE-2019-0924", "CVE-2019-0925", "CVE-2019-0927", "CVE-2019-0930", "CVE-2019-0931", "CVE-2019-0933", "CVE-2019-0936", "CVE-2019-0937", "CVE-2019-0938", "CVE-2019-0940", "CVE-2019-0942", "CVE-2019-0961", "CVE-2019-0980", "CVE-2019-0981", "CVE-2019-0995", "CVE-2019-11091" ); script_xref(name:"MSKB", value:"4499179"); script_xref(name:"MSFT", value:"MS19-4499179"); script_name(english:"KB4499179: Windows 10 Version 1709 and Windows Server Version 1709 May 2019 Security Update (MDSUM/RIDL) (MFBDS/RIDL/ZombieLoad) (MLPDS/RIDL) (MSBDS/Fallout)"); script_summary(english:"Checks for rollup."); script_set_attribute(attribute:"synopsis", value: "The remote Windows host is affected by multiple vulnerabilities."); script_set_attribute(attribute:"description", value: "The remote Windows host is missing security update 4499179. It is, therefore, affected by multiple vulnerabilities : - A new subclass of speculative execution side channel vulnerabilities, known as Microarchitectural Data Sampling, exist in Windows. An attacker who successfully exploited these vulnerabilities may be able to read privileged data across trust boundaries. In shared resource environments (such as exists in some cloud services configurations), these vulnerabilities could allow one virtual machine to improperly access information from another. In non-browsing scenarios on standalone systems, an attacker would need prior access to the system or an ability to run a specially crafted application on the target system to leverage these vulnerabilities. (CVE-2019-11091, CVE-2018-12126, CVE-2018-12127, CVE-2018-12130) - A security feature bypass vulnerability exists when urlmon.dll improperly handles certain Mark of the Web queries. The vulnerability allows Internet Explorer to bypass Mark of the Web warnings or restrictions for files downloaded or created in a specific way. (CVE-2019-0995) - A remote code execution vulnerability exists in the way that Microsoft browsers access objects in memory. The vulnerability could corrupt memory in a way that could allow an attacker to execute arbitrary code in the context of the current user. An attacker who successfully exploited the vulnerability could gain the same user rights as the current user. (CVE-2019-0940) - A remote code execution vulnerability exists when the Windows Jet Database Engine improperly handles objects in memory. An attacker who successfully exploited this vulnerability could execute arbitrary code on a victim system. An attacker could exploit this vulnerability by enticing a victim to open a specially crafted file. The update addresses the vulnerability by correcting the way the Windows Jet Database Engine handles objects in memory. (CVE-2019-0889, CVE-2019-0890, CVE-2019-0891, CVE-2019-0893, CVE-2019-0894, CVE-2019-0895, CVE-2019-0896, CVE-2019-0897, CVE-2019-0898, CVE-2019-0899, CVE-2019-0900, CVE-2019-0901, CVE-2019-0902) - An elevation of privilege vulnerability exists when the Windows Kernel improperly handles key enumeration. An attacker who successfully exploited the vulnerability could gain elevated privileges on a targeted system. A locally authenticated attacker could exploit this vulnerability by running a specially crafted application. The security update addresses the vulnerability by helping to ensure that the Windows Kernel properly handles key enumeration. (CVE-2019-0881) - A remote code execution vulnerability exists in the way that the Windows Graphics Device Interface (GDI) handles objects in the memory. An attacker who successfully exploited this vulnerability could take control of the affected system. An attacker could then install programs; view, change, or delete data; or create new accounts with full user rights. (CVE-2019-0903) - An information disclosure vulnerability exists when Windows Hyper-V on a host operating system fails to properly validate input from an authenticated user on a guest operating system. (CVE-2019-0886) - An elevation of privilege vulnerability exists in the Unified Write Filter (UWF) feature for Windows 10 when it improperly restricts access to the registry. An attacker who successfully exploited the vulnerability could make changes to the registry keys protected by UWF without having administrator privileges. (CVE-2019-0942) - A remote code execution vulnerability exists in the way that the Chakra scripting engine handles objects in memory in Microsoft Edge. The vulnerability could corrupt memory in such a way that an attacker could execute arbitrary code in the context of the current user. An attacker who successfully exploited the vulnerability could gain the same user rights as the current user. (CVE-2019-0912, CVE-2019-0913, CVE-2019-0914, CVE-2019-0915, CVE-2019-0916, CVE-2019-0917, CVE-2019-0922, CVE-2019-0923, CVE-2019-0924, CVE-2019-0925, CVE-2019-0927, CVE-2019-0933) - A security feature bypass vulnerability exists in Windows Defender Application Control (WDAC) which could allow an attacker to bypass WDAC enforcement. An attacker who successfully exploited this vulnerability could circumvent Windows PowerShell Constrained Language Mode on the machine. (CVE-2019-0733) - An spoofing vulnerability exists when Internet Explorer improperly handles URLs. An attacker who successfully exploited this vulnerability could trick a user by redirecting the user to a specially crafted website. The specially crafted website could either spoof content or serve as a pivot to chain an attack with other vulnerabilities in web services. (CVE-2019-0921) - An elevation of privilege vulnerability exists when the Diagnostics Hub Standard Collector or the Visual Studio Standard Collector allows file deletion in arbitrary locations. (CVE-2019-0727) - An elevation of privilege vulnerability exists in Microsoft Windows when a man-in-the-middle attacker is able to successfully decode and replace authentication request using Kerberos, allowing an attacker to be validated as an Administrator. The update addresses this vulnerability by changing how these requests are validated. (CVE-2019-0734) - A remote code execution vulnerability exists when Microsoft Windows OLE fails to properly validate user input. An attacker could exploit the vulnerability to execute malicious code. (CVE-2019-0885) - A remote code execution vulnerability exists in the way the scripting engine handles objects in memory in Microsoft browsers. The vulnerability could corrupt memory in such a way that an attacker could execute arbitrary code in the context of the current user. An attacker who successfully exploited the vulnerability could gain the same user rights as the current user. (CVE-2019-0884, CVE-2019-0911, CVE-2019-0918) - An elevation of privilege vulnerability exists in the way Windows Error Reporting (WER) handles files. An attacker who successfully exploited this vulnerability could run arbitrary code in kernel mode. An attacker could then install programs; view, change, or delete data; or create new accounts with administrator privileges. (CVE-2019-0863) - An information disclosure vulnerability exists when Internet Explorer improperly handles objects in memory. An attacker who successfully exploited the vulnerability could obtain information to further compromise the users system. (CVE-2019-0930) - A denial of service vulnerability exists when .NET Framework and .NET Core improperly process RegEx strings. An attacker who successfully exploited this vulnerability could cause a denial of service against a .NET application. A remote unauthenticated attacker could exploit this vulnerability by issuing specially crafted requests to a .NET Framework (or .NET core) application. The update addresses the vulnerability by correcting how .NET Framework and .NET Core applications handle RegEx string processing. (CVE-2019-0820) - An elevation of privilege vulnerability exists in Microsoft Windows when Windows fails to properly handle certain symbolic links. An attacker who successfully exploited this vulnerability could potentially set certain items to run at a higher level and thereby elevate permissions. (CVE-2019-0936) - A denial of service vulnerability exists when .NET Framework improperly handles objects in heap memory. An attacker who successfully exploited this vulnerability could cause a denial of service against a .NET application. (CVE-2019-0864) - An information disclosure vulnerability exists when the Windows GDI component improperly discloses the contents of its memory. An attacker who successfully exploited the vulnerability could obtain information to further compromise the users system. There are multiple ways an attacker could exploit the vulnerability, such as by convincing a user to open a specially crafted document, or by convincing a user to visit an untrusted webpage. The security update addresses the vulnerability by correcting how the Windows GDI component handles objects in memory. (CVE-2019-0758, CVE-2019-0882, CVE-2019-0961) - An elevation of privilege vulnerability exists in Microsoft Edge that could allow an attacker to escape from the AppContainer sandbox in the browser. An attacker who successfully exploited this vulnerability could gain elevated privileges and break out of the Edge AppContainer sandbox. The vulnerability by itself does not allow arbitrary code to run. However, this vulnerability could be used in conjunction with one or more vulnerabilities (for example a remote code execution vulnerability and another elevation of privilege vulnerability) to take advantage of the elevated privileges when running. The security update addresses the vulnerability by modifying how Microsoft Edge handles sandboxing. (CVE-2019-0938) - An elevation of privilege vulnerability exists in the Network Driver Interface Specification (NDIS) when ndis.sys fails to check the length of a buffer prior to copying memory to it. (CVE-2019-0707) - A denial of service vulnerability exists when .NET Framework or .NET Core improperly handle web requests. An attacker who successfully exploited this vulnerability could cause a denial of service against a .NET Framework or .NET Core web application. The vulnerability can be exploited remotely, without authentication. A remote unauthenticated attacker could exploit this vulnerability by issuing specially crafted requests to the .NET Framework or .NET Core application. The update addresses the vulnerability by correcting how .NET Framework or .NET Core web applications handles web requests. (CVE-2019-0980, CVE-2019-0981)"); # https://support.microsoft.com/en-ca/help/4499179/windows-10-update-kb4499179 script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?59ed4a1e"); # https://support.microsoft.com/en-us/help/4072698/windows-server-speculative-execution-side-channel-vulnerabilities-prot script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?8902cebb"); script_set_attribute(attribute:"solution", value: "Apply Cumulative Update KB4499179."); script_set_cvss_base_vector("CVSS2#AV:N/AC:M/Au:N/C:C/I:C/A:C"); script_set_cvss_temporal_vector("CVSS2#E:H/RL:OF/RC:C"); script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"); script_set_cvss3_temporal_vector("CVSS:3.0/E:H/RL:O/RC:C"); script_set_attribute(attribute:"cvss_score_source", value:"CVE-2019-0903"); script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available"); script_set_attribute(attribute:"exploit_available", value:"true"); script_set_attribute(attribute:"exploited_by_malware", value:"true"); script_set_attribute(attribute:"vuln_publication_date", value:"2019/05/14"); script_set_attribute(attribute:"patch_publication_date", value:"2019/05/14"); script_set_attribute(attribute:"plugin_publication_date", value:"2019/05/14"); script_set_attribute(attribute:"plugin_type", value:"local"); script_set_attribute(attribute:"cpe", value:"cpe:/o:microsoft:windows"); script_end_attributes(); script_category(ACT_GATHER_INFO); script_family(english:"Windows : Microsoft Bulletins"); script_copyright(english:"This script is Copyright (C) 2019-2020 and is owned by Tenable, Inc. or an Affiliate thereof."); script_dependencies("smb_check_rollup.nasl", "smb_hotfixes.nasl", "ms_bulletin_checks_possible.nasl", 'microsoft_windows_env_vars.nasl'); script_require_keys("SMB/MS_Bulletin_Checks/Possible"); script_require_ports(139, 445, "Host/patch_management_checks"); exit(0); } include("audit.inc"); include("smb_hotfixes_fcheck.inc"); include("smb_hotfixes.inc"); include("smb_func.inc"); include("misc_func.inc"); include("smb_reg_query.inc"); get_kb_item_or_exit("SMB/MS_Bulletin_Checks/Possible"); bulletin = "MS19-05"; kbs = make_list('4499179'); if (get_kb_item("Host/patch_management_checks")) hotfix_check_3rd_party(bulletin:bulletin, kbs:kbs, severity:SECURITY_HOLE); get_kb_item_or_exit("SMB/Registry/Enumerated"); get_kb_item_or_exit("SMB/WindowsVersion", exit_code:1); if (hotfix_check_sp_range(win10:'0') <= 0) audit(AUDIT_OS_SP_NOT_VULN); my_os_build = get_kb_item("SMB/WindowsVersionBuild"); productname = get_kb_item_or_exit("SMB/ProductName"); if (my_os_build = "16299" && "enterprise" >!< tolower(productname) && "education" >!< tolower(productname) && "server" >!< tolower(productname)) audit(AUDIT_OS_NOT, "a supported version of Windows"); share = hotfix_get_systemdrive(as_share:TRUE, exit_on_fail:TRUE); if (!is_accessible_share(share:share)) audit(AUDIT_SHARE_FAIL, share); if ( smb_check_rollup(os:"10", sp:0, os_build:"16299", rollup_date:"05_2019", bulletin:bulletin, rollup_kb_list:[4499179]) ) { replace_kb_item(name:'SMB/Missing/'+bulletin, value:TRUE); hotfix_security_hole(); hotfix_check_fversion_end(); exit(0); } else { hotfix_check_fversion_end(); audit(AUDIT_HOST_NOT, hotfix_get_audit_report()); }NASL family Windows : Microsoft Bulletins NASL id SMB_NT_MS19_MAY_4494441.NASL description The remote Windows host is missing security update 4494441. It is, therefore, affected by multiple vulnerabilities : - A new subclass of speculative execution side channel vulnerabilities, known as Microarchitectural Data Sampling, exist in Windows. An attacker who successfully exploited these vulnerabilities may be able to read privileged data across trust boundaries. In shared resource environments (such as exists in some cloud services configurations), these vulnerabilities could allow one virtual machine to improperly access information from another. In non-browsing scenarios on standalone systems, an attacker would need prior access to the system or an ability to run a specially crafted application on the target system to leverage these vulnerabilities. (CVE-2019-11091, CVE-2018-12126, CVE-2018-12127, CVE-2018-12130) - A security feature bypass vulnerability exists when urlmon.dll improperly handles certain Mark of the Web queries. The vulnerability allows Internet Explorer to bypass Mark of the Web warnings or restrictions for files downloaded or created in a specific way. (CVE-2019-0995) - A remote code execution vulnerability exists in the way that Microsoft browsers access objects in memory. The vulnerability could corrupt memory in a way that could allow an attacker to execute arbitrary code in the context of the current user. An attacker who successfully exploited the vulnerability could gain the same user rights as the current user. (CVE-2019-0940) - A remote code execution vulnerability exists when Microsoft Edge improperly accesses objects in memory. The vulnerability could corrupt memory in such a way that enables an attacker to execute arbitrary code in the context of the current user. An attacker who successfully exploited the vulnerability could gain the same user rights as the current user. (CVE-2019-0926) - A remote code execution vulnerability exists when the Windows Jet Database Engine improperly handles objects in memory. An attacker who successfully exploited this vulnerability could execute arbitrary code on a victim system. An attacker could exploit this vulnerability by enticing a victim to open a specially crafted file. The update addresses the vulnerability by correcting the way the Windows Jet Database Engine handles objects in memory. (CVE-2019-0889, CVE-2019-0890, CVE-2019-0891, CVE-2019-0893, CVE-2019-0894, CVE-2019-0895, CVE-2019-0896, CVE-2019-0897, CVE-2019-0898, CVE-2019-0899, CVE-2019-0900, CVE-2019-0901, CVE-2019-0902) - A remote code execution vulnerability exists when Internet Explorer improperly accesses objects in memory. The vulnerability could corrupt memory in such a way that an attacker could execute arbitrary code in the context of the current user. An attacker who successfully exploited the vulnerability could gain the same user rights as the current user. (CVE-2019-0929) - An elevation of privilege vulnerability exists when the Windows Kernel improperly handles key enumeration. An attacker who successfully exploited the vulnerability could gain elevated privileges on a targeted system. A locally authenticated attacker could exploit this vulnerability by running a specially crafted application. The security update addresses the vulnerability by helping to ensure that the Windows Kernel properly handles key enumeration. (CVE-2019-0881) - An elevation of privilege vulnerability exists in Windows when the Win32k component fails to properly handle objects in memory. An attacker who successfully exploited this vulnerability could run arbitrary code in kernel mode. An attacker could then install programs; view, change, or delete data; or create new accounts with full user rights. (CVE-2019-0892) - A remote code execution vulnerability exists in the way that the Windows Graphics Device Interface (GDI) handles objects in the memory. An attacker who successfully exploited this vulnerability could take control of the affected system. An attacker could then install programs; view, change, or delete data; or create new accounts with full user rights. (CVE-2019-0903) - An information disclosure vulnerability exists when Windows Hyper-V on a host operating system fails to properly validate input from an authenticated user on a guest operating system. (CVE-2019-0886) - An elevation of privilege vulnerability exists in the Unified Write Filter (UWF) feature for Windows 10 when it improperly restricts access to the registry. An attacker who successfully exploited the vulnerability could make changes to the registry keys protected by UWF without having administrator privileges. (CVE-2019-0942) - A security feature bypass vulnerability exists in Windows Defender Application Control (WDAC) which could allow an attacker to bypass WDAC enforcement. An attacker who successfully exploited this vulnerability could circumvent Windows PowerShell Constrained Language Mode on the machine. (CVE-2019-0733) - An spoofing vulnerability exists when Internet Explorer improperly handles URLs. An attacker who successfully exploited this vulnerability could trick a user by redirecting the user to a specially crafted website. The specially crafted website could either spoof content or serve as a pivot to chain an attack with other vulnerabilities in web services. (CVE-2019-0921) - A remote code execution vulnerability exists in the way that the Chakra scripting engine handles objects in memory in Microsoft Edge. The vulnerability could corrupt memory in such a way that an attacker could execute arbitrary code in the context of the current user. An attacker who successfully exploited the vulnerability could gain the same user rights as the current user. (CVE-2019-0912, CVE-2019-0913, CVE-2019-0914, CVE-2019-0915, CVE-2019-0916, CVE-2019-0917, CVE-2019-0922, CVE-2019-0923, CVE-2019-0924, CVE-2019-0925, CVE-2019-0927, CVE-2019-0933, CVE-2019-0937) - An elevation of privilege vulnerability exists when the Diagnostics Hub Standard Collector or the Visual Studio Standard Collector allows file deletion in arbitrary locations. (CVE-2019-0727) - An elevation of privilege vulnerability exists in Microsoft Windows when a man-in-the-middle attacker is able to successfully decode and replace authentication request using Kerberos, allowing an attacker to be validated as an Administrator. The update addresses this vulnerability by changing how these requests are validated. (CVE-2019-0734) - A remote code execution vulnerability exists when Microsoft Windows OLE fails to properly validate user input. An attacker could exploit the vulnerability to execute malicious code. (CVE-2019-0885) - A remote code execution vulnerability exists in the way the scripting engine handles objects in memory in Microsoft browsers. The vulnerability could corrupt memory in such a way that an attacker could execute arbitrary code in the context of the current user. An attacker who successfully exploited the vulnerability could gain the same user rights as the current user. (CVE-2019-0884, CVE-2019-0911, CVE-2019-0918) - An elevation of privilege vulnerability exists in the way Windows Error Reporting (WER) handles files. An attacker who successfully exploited this vulnerability could run arbitrary code in kernel mode. An attacker could then install programs; view, change, or delete data; or create new accounts with administrator privileges. (CVE-2019-0863) - An information disclosure vulnerability exists when Internet Explorer improperly handles objects in memory. An attacker who successfully exploited the vulnerability could obtain information to further compromise the users system. (CVE-2019-0930) - A denial of service vulnerability exists when .NET Framework and .NET Core improperly process RegEx strings. An attacker who successfully exploited this vulnerability could cause a denial of service against a .NET application. A remote unauthenticated attacker could exploit this vulnerability by issuing specially crafted requests to a .NET Framework (or .NET core) application. The update addresses the vulnerability by correcting how .NET Framework and .NET Core applications handle RegEx string processing. (CVE-2019-0820) - An elevation of privilege vulnerability exists in Microsoft Windows when Windows fails to properly handle certain symbolic links. An attacker who successfully exploited this vulnerability could potentially set certain items to run at a higher level and thereby elevate permissions. (CVE-2019-0936) - An elevation of privilege vulnerability exists when the Storage Service improperly handles file operations. An attacker who successfully exploited this vulnerability could gain elevated privileges on the victim system. (CVE-2019-0931) - A memory corruption vulnerability exists in the Windows Server DHCP service when processing specially crafted packets. An attacker who successfully exploited the vulnerability could run arbitrary code on the DHCP server. (CVE-2019-0725) - A denial of service vulnerability exists when .NET Framework improperly handles objects in heap memory. An attacker who successfully exploited this vulnerability could cause a denial of service against a .NET application. (CVE-2019-0864) - An information disclosure vulnerability exists when the Windows GDI component improperly discloses the contents of its memory. An attacker who successfully exploited the vulnerability could obtain information to further compromise the users system. There are multiple ways an attacker could exploit the vulnerability, such as by convincing a user to open a specially crafted document, or by convincing a user to visit an untrusted webpage. The security update addresses the vulnerability by correcting how the Windows GDI component handles objects in memory. (CVE-2019-0758, CVE-2019-0882, CVE-2019-0961) - An elevation of privilege vulnerability exists in Microsoft Edge that could allow an attacker to escape from the AppContainer sandbox in the browser. An attacker who successfully exploited this vulnerability could gain elevated privileges and break out of the Edge AppContainer sandbox. The vulnerability by itself does not allow arbitrary code to run. However, this vulnerability could be used in conjunction with one or more vulnerabilities (for example a remote code execution vulnerability and another elevation of privilege vulnerability) to take advantage of the elevated privileges when running. The security update addresses the vulnerability by modifying how Microsoft Edge handles sandboxing. (CVE-2019-0938) - An elevation of privilege vulnerability exists in the Network Driver Interface Specification (NDIS) when ndis.sys fails to check the length of a buffer prior to copying memory to it. (CVE-2019-0707) - A denial of service vulnerability exists when .NET Framework or .NET Core improperly handle web requests. An attacker who successfully exploited this vulnerability could cause a denial of service against a .NET Framework or .NET Core web application. The vulnerability can be exploited remotely, without authentication. A remote unauthenticated attacker could exploit this vulnerability by issuing specially crafted requests to the .NET Framework or .NET Core application. The update addresses the vulnerability by correcting how .NET Framework or .NET Core web applications handles web requests. (CVE-2019-0980, CVE-2019-0981) last seen 2020-06-01 modified 2020-06-02 plugin id 125059 published 2019-05-14 reporter This script is Copyright (C) 2019 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/125059 title KB4494441: Windows 10 Version 1809 and Windows Server 2019 May 2019 Security Update (MDSUM/RIDL) (MFBDS/RIDL/ZombieLoad) (MLPDS/RIDL) (MSBDS/Fallout) code # # (C) Tenable Network Security, Inc. # # The descriptive text and package checks in this plugin were # extracted from the Microsoft Security Updates API. The text # itself is copyright (C) Microsoft Corporation. # include("compat.inc"); if (description) { script_id(125059); script_version("1.9"); script_cvs_date("Date: 2019/12/18"); script_cve_id( "CVE-2018-12126", "CVE-2018-12127", "CVE-2018-12130", "CVE-2019-0707", "CVE-2019-0725", "CVE-2019-0727", "CVE-2019-0733", "CVE-2019-0734", "CVE-2019-0758", "CVE-2019-0820", "CVE-2019-0863", "CVE-2019-0864", "CVE-2019-0881", "CVE-2019-0882", "CVE-2019-0884", "CVE-2019-0885", "CVE-2019-0886", "CVE-2019-0889", "CVE-2019-0890", "CVE-2019-0891", "CVE-2019-0892", "CVE-2019-0893", "CVE-2019-0894", "CVE-2019-0895", "CVE-2019-0896", "CVE-2019-0897", "CVE-2019-0898", "CVE-2019-0899", "CVE-2019-0900", "CVE-2019-0901", "CVE-2019-0902", "CVE-2019-0903", "CVE-2019-0911", "CVE-2019-0912", "CVE-2019-0913", "CVE-2019-0914", "CVE-2019-0915", "CVE-2019-0916", "CVE-2019-0917", "CVE-2019-0918", "CVE-2019-0921", "CVE-2019-0922", "CVE-2019-0923", "CVE-2019-0924", "CVE-2019-0925", "CVE-2019-0926", "CVE-2019-0927", "CVE-2019-0929", "CVE-2019-0930", "CVE-2019-0931", "CVE-2019-0933", "CVE-2019-0936", "CVE-2019-0937", "CVE-2019-0938", "CVE-2019-0940", "CVE-2019-0942", "CVE-2019-0961", "CVE-2019-0980", "CVE-2019-0981", "CVE-2019-0995", "CVE-2019-11091" ); script_xref(name:"MSKB", value:"4494441"); script_xref(name:"MSFT", value:"MS19-4494441"); script_name(english:"KB4494441: Windows 10 Version 1809 and Windows Server 2019 May 2019 Security Update (MDSUM/RIDL) (MFBDS/RIDL/ZombieLoad) (MLPDS/RIDL) (MSBDS/Fallout)"); script_summary(english:"Checks for rollup."); script_set_attribute(attribute:"synopsis", value: "The remote Windows host is affected by multiple vulnerabilities."); script_set_attribute(attribute:"description", value: "The remote Windows host is missing security update 4494441. It is, therefore, affected by multiple vulnerabilities : - A new subclass of speculative execution side channel vulnerabilities, known as Microarchitectural Data Sampling, exist in Windows. An attacker who successfully exploited these vulnerabilities may be able to read privileged data across trust boundaries. In shared resource environments (such as exists in some cloud services configurations), these vulnerabilities could allow one virtual machine to improperly access information from another. In non-browsing scenarios on standalone systems, an attacker would need prior access to the system or an ability to run a specially crafted application on the target system to leverage these vulnerabilities. (CVE-2019-11091, CVE-2018-12126, CVE-2018-12127, CVE-2018-12130) - A security feature bypass vulnerability exists when urlmon.dll improperly handles certain Mark of the Web queries. The vulnerability allows Internet Explorer to bypass Mark of the Web warnings or restrictions for files downloaded or created in a specific way. (CVE-2019-0995) - A remote code execution vulnerability exists in the way that Microsoft browsers access objects in memory. The vulnerability could corrupt memory in a way that could allow an attacker to execute arbitrary code in the context of the current user. An attacker who successfully exploited the vulnerability could gain the same user rights as the current user. (CVE-2019-0940) - A remote code execution vulnerability exists when Microsoft Edge improperly accesses objects in memory. The vulnerability could corrupt memory in such a way that enables an attacker to execute arbitrary code in the context of the current user. An attacker who successfully exploited the vulnerability could gain the same user rights as the current user. (CVE-2019-0926) - A remote code execution vulnerability exists when the Windows Jet Database Engine improperly handles objects in memory. An attacker who successfully exploited this vulnerability could execute arbitrary code on a victim system. An attacker could exploit this vulnerability by enticing a victim to open a specially crafted file. The update addresses the vulnerability by correcting the way the Windows Jet Database Engine handles objects in memory. (CVE-2019-0889, CVE-2019-0890, CVE-2019-0891, CVE-2019-0893, CVE-2019-0894, CVE-2019-0895, CVE-2019-0896, CVE-2019-0897, CVE-2019-0898, CVE-2019-0899, CVE-2019-0900, CVE-2019-0901, CVE-2019-0902) - A remote code execution vulnerability exists when Internet Explorer improperly accesses objects in memory. The vulnerability could corrupt memory in such a way that an attacker could execute arbitrary code in the context of the current user. An attacker who successfully exploited the vulnerability could gain the same user rights as the current user. (CVE-2019-0929) - An elevation of privilege vulnerability exists when the Windows Kernel improperly handles key enumeration. An attacker who successfully exploited the vulnerability could gain elevated privileges on a targeted system. A locally authenticated attacker could exploit this vulnerability by running a specially crafted application. The security update addresses the vulnerability by helping to ensure that the Windows Kernel properly handles key enumeration. (CVE-2019-0881) - An elevation of privilege vulnerability exists in Windows when the Win32k component fails to properly handle objects in memory. An attacker who successfully exploited this vulnerability could run arbitrary code in kernel mode. An attacker could then install programs; view, change, or delete data; or create new accounts with full user rights. (CVE-2019-0892) - A remote code execution vulnerability exists in the way that the Windows Graphics Device Interface (GDI) handles objects in the memory. An attacker who successfully exploited this vulnerability could take control of the affected system. An attacker could then install programs; view, change, or delete data; or create new accounts with full user rights. (CVE-2019-0903) - An information disclosure vulnerability exists when Windows Hyper-V on a host operating system fails to properly validate input from an authenticated user on a guest operating system. (CVE-2019-0886) - An elevation of privilege vulnerability exists in the Unified Write Filter (UWF) feature for Windows 10 when it improperly restricts access to the registry. An attacker who successfully exploited the vulnerability could make changes to the registry keys protected by UWF without having administrator privileges. (CVE-2019-0942) - A security feature bypass vulnerability exists in Windows Defender Application Control (WDAC) which could allow an attacker to bypass WDAC enforcement. An attacker who successfully exploited this vulnerability could circumvent Windows PowerShell Constrained Language Mode on the machine. (CVE-2019-0733) - An spoofing vulnerability exists when Internet Explorer improperly handles URLs. An attacker who successfully exploited this vulnerability could trick a user by redirecting the user to a specially crafted website. The specially crafted website could either spoof content or serve as a pivot to chain an attack with other vulnerabilities in web services. (CVE-2019-0921) - A remote code execution vulnerability exists in the way that the Chakra scripting engine handles objects in memory in Microsoft Edge. The vulnerability could corrupt memory in such a way that an attacker could execute arbitrary code in the context of the current user. An attacker who successfully exploited the vulnerability could gain the same user rights as the current user. (CVE-2019-0912, CVE-2019-0913, CVE-2019-0914, CVE-2019-0915, CVE-2019-0916, CVE-2019-0917, CVE-2019-0922, CVE-2019-0923, CVE-2019-0924, CVE-2019-0925, CVE-2019-0927, CVE-2019-0933, CVE-2019-0937) - An elevation of privilege vulnerability exists when the Diagnostics Hub Standard Collector or the Visual Studio Standard Collector allows file deletion in arbitrary locations. (CVE-2019-0727) - An elevation of privilege vulnerability exists in Microsoft Windows when a man-in-the-middle attacker is able to successfully decode and replace authentication request using Kerberos, allowing an attacker to be validated as an Administrator. The update addresses this vulnerability by changing how these requests are validated. (CVE-2019-0734) - A remote code execution vulnerability exists when Microsoft Windows OLE fails to properly validate user input. An attacker could exploit the vulnerability to execute malicious code. (CVE-2019-0885) - A remote code execution vulnerability exists in the way the scripting engine handles objects in memory in Microsoft browsers. The vulnerability could corrupt memory in such a way that an attacker could execute arbitrary code in the context of the current user. An attacker who successfully exploited the vulnerability could gain the same user rights as the current user. (CVE-2019-0884, CVE-2019-0911, CVE-2019-0918) - An elevation of privilege vulnerability exists in the way Windows Error Reporting (WER) handles files. An attacker who successfully exploited this vulnerability could run arbitrary code in kernel mode. An attacker could then install programs; view, change, or delete data; or create new accounts with administrator privileges. (CVE-2019-0863) - An information disclosure vulnerability exists when Internet Explorer improperly handles objects in memory. An attacker who successfully exploited the vulnerability could obtain information to further compromise the users system. (CVE-2019-0930) - A denial of service vulnerability exists when .NET Framework and .NET Core improperly process RegEx strings. An attacker who successfully exploited this vulnerability could cause a denial of service against a .NET application. A remote unauthenticated attacker could exploit this vulnerability by issuing specially crafted requests to a .NET Framework (or .NET core) application. The update addresses the vulnerability by correcting how .NET Framework and .NET Core applications handle RegEx string processing. (CVE-2019-0820) - An elevation of privilege vulnerability exists in Microsoft Windows when Windows fails to properly handle certain symbolic links. An attacker who successfully exploited this vulnerability could potentially set certain items to run at a higher level and thereby elevate permissions. (CVE-2019-0936) - An elevation of privilege vulnerability exists when the Storage Service improperly handles file operations. An attacker who successfully exploited this vulnerability could gain elevated privileges on the victim system. (CVE-2019-0931) - A memory corruption vulnerability exists in the Windows Server DHCP service when processing specially crafted packets. An attacker who successfully exploited the vulnerability could run arbitrary code on the DHCP server. (CVE-2019-0725) - A denial of service vulnerability exists when .NET Framework improperly handles objects in heap memory. An attacker who successfully exploited this vulnerability could cause a denial of service against a .NET application. (CVE-2019-0864) - An information disclosure vulnerability exists when the Windows GDI component improperly discloses the contents of its memory. An attacker who successfully exploited the vulnerability could obtain information to further compromise the users system. There are multiple ways an attacker could exploit the vulnerability, such as by convincing a user to open a specially crafted document, or by convincing a user to visit an untrusted webpage. The security update addresses the vulnerability by correcting how the Windows GDI component handles objects in memory. (CVE-2019-0758, CVE-2019-0882, CVE-2019-0961) - An elevation of privilege vulnerability exists in Microsoft Edge that could allow an attacker to escape from the AppContainer sandbox in the browser. An attacker who successfully exploited this vulnerability could gain elevated privileges and break out of the Edge AppContainer sandbox. The vulnerability by itself does not allow arbitrary code to run. However, this vulnerability could be used in conjunction with one or more vulnerabilities (for example a remote code execution vulnerability and another elevation of privilege vulnerability) to take advantage of the elevated privileges when running. The security update addresses the vulnerability by modifying how Microsoft Edge handles sandboxing. (CVE-2019-0938) - An elevation of privilege vulnerability exists in the Network Driver Interface Specification (NDIS) when ndis.sys fails to check the length of a buffer prior to copying memory to it. (CVE-2019-0707) - A denial of service vulnerability exists when .NET Framework or .NET Core improperly handle web requests. An attacker who successfully exploited this vulnerability could cause a denial of service against a .NET Framework or .NET Core web application. The vulnerability can be exploited remotely, without authentication. A remote unauthenticated attacker could exploit this vulnerability by issuing specially crafted requests to the .NET Framework or .NET Core application. The update addresses the vulnerability by correcting how .NET Framework or .NET Core web applications handles web requests. (CVE-2019-0980, CVE-2019-0981)"); # https://support.microsoft.com/en-us/help/4494441/windows-10-update-kb4494441 script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?54b36c98"); # https://support.microsoft.com/en-us/help/4072698/windows-server-speculative-execution-side-channel-vulnerabilities-prot script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?8902cebb"); script_set_attribute(attribute:"solution", value: "Apply Cumulative Update KB4494441."); script_set_cvss_base_vector("CVSS2#AV:N/AC:M/Au:N/C:C/I:C/A:C"); script_set_cvss_temporal_vector("CVSS2#E:H/RL:OF/RC:C"); script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"); script_set_cvss3_temporal_vector("CVSS:3.0/E:H/RL:O/RC:C"); script_set_attribute(attribute:"cvss_score_source", value:"CVE-2019-0903"); script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available"); script_set_attribute(attribute:"exploit_available", value:"true"); script_set_attribute(attribute:"exploited_by_malware", value:"true"); script_set_attribute(attribute:"vuln_publication_date", value:"2019/05/14"); script_set_attribute(attribute:"patch_publication_date", value:"2019/05/14"); script_set_attribute(attribute:"plugin_publication_date", value:"2019/05/14"); script_set_attribute(attribute:"plugin_type", value:"local"); script_set_attribute(attribute:"cpe", value:"cpe:/o:microsoft:windows"); script_end_attributes(); script_category(ACT_GATHER_INFO); script_family(english:"Windows : Microsoft Bulletins"); script_copyright(english:"This script is Copyright (C) 2019 and is owned by Tenable, Inc. or an Affiliate thereof."); script_dependencies("smb_check_rollup.nasl", "smb_hotfixes.nasl", "ms_bulletin_checks_possible.nasl", 'microsoft_windows_env_vars.nasl'); script_require_keys("SMB/MS_Bulletin_Checks/Possible"); script_require_ports(139, 445, "Host/patch_management_checks"); exit(0); } include("audit.inc"); include("smb_hotfixes_fcheck.inc"); include("smb_hotfixes.inc"); include("smb_func.inc"); include("misc_func.inc"); include("smb_reg_query.inc"); get_kb_item_or_exit("SMB/MS_Bulletin_Checks/Possible"); bulletin = "MS19-05"; kbs = make_list('4494441'); if (get_kb_item("Host/patch_management_checks")) hotfix_check_3rd_party(bulletin:bulletin, kbs:kbs, severity:SECURITY_HOLE); get_kb_item_or_exit("SMB/Registry/Enumerated"); get_kb_item_or_exit("SMB/WindowsVersion", exit_code:1); productname = get_kb_item_or_exit("SMB/ProductName"); if (hotfix_check_sp_range(win10:'0') <= 0) audit(AUDIT_OS_SP_NOT_VULN); share = hotfix_get_systemdrive(as_share:TRUE, exit_on_fail:TRUE); if (!is_accessible_share(share:share)) audit(AUDIT_SHARE_FAIL, share); if ( smb_check_rollup(os:"10", sp:0, os_build:"17763", rollup_date:"05_2019", bulletin:bulletin, rollup_kb_list:[4494441]) ) { replace_kb_item(name:'SMB/Missing/'+bulletin, value:TRUE); hotfix_security_hole(); hotfix_check_fversion_end(); exit(0); } else { hotfix_check_fversion_end(); audit(AUDIT_HOST_NOT, hotfix_get_audit_report()); }NASL family Windows : Microsoft Bulletins NASL id SMB_NT_MS19_MAY_4494440.NASL description The remote Windows host is missing security update 4494440. It is, therefore, affected by multiple vulnerabilities : - A new subclass of speculative execution side channel vulnerabilities, known as Microarchitectural Data Sampling, exist in Windows. An attacker who successfully exploited these vulnerabilities may be able to read privileged data across trust boundaries. In shared resource environments (such as exists in some cloud services configurations), these vulnerabilities could allow one virtual machine to improperly access information from another. In non-browsing scenarios on standalone systems, an attacker would need prior access to the system or an ability to run a specially crafted application on the target system to leverage these vulnerabilities. (CVE-2018-12126, CVE-2018-12127, CVE-2018-12130, CVE-2019-11091) - A security feature bypass vulnerability exists when urlmon.dll improperly handles certain Mark of the Web queries. The vulnerability allows Internet Explorer to bypass Mark of the Web warnings or restrictions for files downloaded or created in a specific way. (CVE-2019-0995) - A remote code execution vulnerability exists in the way that Microsoft browsers access objects in memory. The vulnerability could corrupt memory in a way that could allow an attacker to execute arbitrary code in the context of the current user. An attacker who successfully exploited the vulnerability could gain the same user rights as the current user. (CVE-2019-0940) - A remote code execution vulnerability exists when the Windows Jet Database Engine improperly handles objects in memory. An attacker who successfully exploited this vulnerability could execute arbitrary code on a victim system. An attacker could exploit this vulnerability by enticing a victim to open a specially crafted file. The update addresses the vulnerability by correcting the way the Windows Jet Database Engine handles objects in memory. (CVE-2019-0889, CVE-2019-0890, CVE-2019-0891, CVE-2019-0893, CVE-2019-0894, CVE-2019-0895, CVE-2019-0896, CVE-2019-0897, CVE-2019-0898, CVE-2019-0899, CVE-2019-0900, CVE-2019-0901, CVE-2019-0902) - An elevation of privilege vulnerability exists when the Windows Kernel improperly handles key enumeration. An attacker who successfully exploited the vulnerability could gain elevated privileges on a targeted system. A locally authenticated attacker could exploit this vulnerability by running a specially crafted application. The security update addresses the vulnerability by helping to ensure that the Windows Kernel properly handles key enumeration. (CVE-2019-0881) - A remote code execution vulnerability exists in the way that the Windows Graphics Device Interface (GDI) handles objects in the memory. An attacker who successfully exploited this vulnerability could take control of the affected system. An attacker could then install programs; view, change, or delete data; or create new accounts with full user rights. (CVE-2019-0903) - An information disclosure vulnerability exists when Windows Hyper-V on a host operating system fails to properly validate input from an authenticated user on a guest operating system. (CVE-2019-0886) - An elevation of privilege vulnerability exists in the Unified Write Filter (UWF) feature for Windows 10 when it improperly restricts access to the registry. An attacker who successfully exploited the vulnerability could make changes to the registry keys protected by UWF without having administrator privileges. (CVE-2019-0942) - A remote code execution vulnerability exists in the way that the Chakra scripting engine handles objects in memory in Microsoft Edge. The vulnerability could corrupt memory in such a way that an attacker could execute arbitrary code in the context of the current user. An attacker who successfully exploited the vulnerability could gain the same user rights as the current user. (CVE-2019-0912, CVE-2019-0913, CVE-2019-0914, CVE-2019-0915, CVE-2019-0916, CVE-2019-0917, CVE-2019-0922, CVE-2019-0923, CVE-2019-0924, CVE-2019-0925, CVE-2019-0927, CVE-2019-0933) - A security feature bypass vulnerability exists in Windows Defender Application Control (WDAC) which could allow an attacker to bypass WDAC enforcement. An attacker who successfully exploited this vulnerability could circumvent Windows PowerShell Constrained Language Mode on the machine. (CVE-2019-0733) - An spoofing vulnerability exists when Internet Explorer improperly handles URLs. An attacker who successfully exploited this vulnerability could trick a user by redirecting the user to a specially crafted website. The specially crafted website could either spoof content or serve as a pivot to chain an attack with other vulnerabilities in web services. (CVE-2019-0921) - An elevation of privilege vulnerability exists when the Diagnostics Hub Standard Collector or the Visual Studio Standard Collector allows file deletion in arbitrary locations. (CVE-2019-0727) - An elevation of privilege vulnerability exists in Microsoft Windows when a man-in-the-middle attacker is able to successfully decode and replace authentication request using Kerberos, allowing an attacker to be validated as an Administrator. The update addresses this vulnerability by changing how these requests are validated. (CVE-2019-0734) - A remote code execution vulnerability exists when Microsoft Windows OLE fails to properly validate user input. An attacker could exploit the vulnerability to execute malicious code. (CVE-2019-0885) - A remote code execution vulnerability exists in the way the scripting engine handles objects in memory in Microsoft browsers. The vulnerability could corrupt memory in such a way that an attacker could execute arbitrary code in the context of the current user. An attacker who successfully exploited the vulnerability could gain the same user rights as the current user. (CVE-2019-0884, CVE-2019-0911, CVE-2019-0918) - An elevation of privilege vulnerability exists in the way Windows Error Reporting (WER) handles files. An attacker who successfully exploited this vulnerability could run arbitrary code in kernel mode. An attacker could then install programs; view, change, or delete data; or create new accounts with administrator privileges. (CVE-2019-0863) - An information disclosure vulnerability exists when Internet Explorer improperly handles objects in memory. An attacker who successfully exploited the vulnerability could obtain information to further compromise the users system. (CVE-2019-0930) - A denial of service vulnerability exists when .NET Framework and .NET Core improperly process RegEx strings. An attacker who successfully exploited this vulnerability could cause a denial of service against a .NET application. A remote unauthenticated attacker could exploit this vulnerability by issuing specially crafted requests to a .NET Framework (or .NET core) application. The update addresses the vulnerability by correcting how .NET Framework and .NET Core applications handle RegEx string processing. (CVE-2019-0820) - An elevation of privilege vulnerability exists in Microsoft Windows when Windows fails to properly handle certain symbolic links. An attacker who successfully exploited this vulnerability could potentially set certain items to run at a higher level and thereby elevate permissions. (CVE-2019-0936) - A memory corruption vulnerability exists in the Windows Server DHCP service when processing specially crafted packets. An attacker who successfully exploited the vulnerability could run arbitrary code on the DHCP server. (CVE-2019-0725) - A denial of service vulnerability exists when .NET Framework improperly handles objects in heap memory. An attacker who successfully exploited this vulnerability could cause a denial of service against a .NET application. (CVE-2019-0864) - An information disclosure vulnerability exists when the Windows GDI component improperly discloses the contents of its memory. An attacker who successfully exploited the vulnerability could obtain information to further compromise the users system. There are multiple ways an attacker could exploit the vulnerability, such as by convincing a user to open a specially crafted document, or by convincing a user to visit an untrusted webpage. The security update addresses the vulnerability by correcting how the Windows GDI component handles objects in memory. (CVE-2019-0758, CVE-2019-0882, CVE-2019-0961) - An elevation of privilege vulnerability exists in Microsoft Edge that could allow an attacker to escape from the AppContainer sandbox in the browser. An attacker who successfully exploited this vulnerability could gain elevated privileges and break out of the Edge AppContainer sandbox. The vulnerability by itself does not allow arbitrary code to run. However, this vulnerability could be used in conjunction with one or more vulnerabilities (for example a remote code execution vulnerability and another elevation of privilege vulnerability) to take advantage of the elevated privileges when running. The security update addresses the vulnerability by modifying how Microsoft Edge handles sandboxing. (CVE-2019-0938) - An elevation of privilege vulnerability exists in the Network Driver Interface Specification (NDIS) when ndis.sys fails to check the length of a buffer prior to copying memory to it. (CVE-2019-0707) - A denial of service vulnerability exists when .NET Framework or .NET Core improperly handle web requests. An attacker who successfully exploited this vulnerability could cause a denial of service against a .NET Framework or .NET Core web application. The vulnerability can be exploited remotely, without authentication. A remote unauthenticated attacker could exploit this vulnerability by issuing specially crafted requests to the .NET Framework or .NET Core application. The update addresses the vulnerability by correcting how .NET Framework or .NET Core web applications handles web requests. (CVE-2019-0980, CVE-2019-0981) last seen 2020-06-01 modified 2020-06-02 plugin id 125058 published 2019-05-14 reporter This script is Copyright (C) 2019 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/125058 title KB4494440: Windows 10 Version 1607 and Windows Server 2016 May 2019 Security Update (MDSUM/RIDL) (MFBDS/RIDL/ZombieLoad) (MLPDS/RIDL) (MSBDS/Fallout) code # # (C) Tenable Network Security, Inc. # # The descriptive text and package checks in this plugin were # extracted from the Microsoft Security Updates API. The text # itself is copyright (C) Microsoft Corporation. # include("compat.inc"); if (description) { script_id(125058); script_version("1.9"); script_cvs_date("Date: 2019/12/18"); script_cve_id( "CVE-2018-12126", "CVE-2018-12127", "CVE-2018-12130", "CVE-2019-0707", "CVE-2019-0725", "CVE-2019-0727", "CVE-2019-0733", "CVE-2019-0734", "CVE-2019-0758", "CVE-2019-0820", "CVE-2019-0863", "CVE-2019-0864", "CVE-2019-0881", "CVE-2019-0882", "CVE-2019-0884", "CVE-2019-0885", "CVE-2019-0886", "CVE-2019-0889", "CVE-2019-0890", "CVE-2019-0891", "CVE-2019-0893", "CVE-2019-0894", "CVE-2019-0895", "CVE-2019-0896", "CVE-2019-0897", "CVE-2019-0898", "CVE-2019-0899", "CVE-2019-0900", "CVE-2019-0901", "CVE-2019-0902", "CVE-2019-0903", "CVE-2019-0911", "CVE-2019-0912", "CVE-2019-0913", "CVE-2019-0914", "CVE-2019-0915", "CVE-2019-0916", "CVE-2019-0917", "CVE-2019-0918", "CVE-2019-0921", "CVE-2019-0922", "CVE-2019-0923", "CVE-2019-0924", "CVE-2019-0925", "CVE-2019-0927", "CVE-2019-0930", "CVE-2019-0933", "CVE-2019-0936", "CVE-2019-0938", "CVE-2019-0940", "CVE-2019-0942", "CVE-2019-0961", "CVE-2019-0980", "CVE-2019-0981", "CVE-2019-0995", "CVE-2019-11091" ); script_xref(name:"MSKB", value:"4494440"); script_xref(name:"MSFT", value:"MS19-4494440"); script_name(english:"KB4494440: Windows 10 Version 1607 and Windows Server 2016 May 2019 Security Update (MDSUM/RIDL) (MFBDS/RIDL/ZombieLoad) (MLPDS/RIDL) (MSBDS/Fallout)"); script_summary(english:"Checks for rollup."); script_set_attribute(attribute:"synopsis", value: "The remote Windows host is affected by multiple vulnerabilities."); script_set_attribute(attribute:"description", value: "The remote Windows host is missing security update 4494440. It is, therefore, affected by multiple vulnerabilities : - A new subclass of speculative execution side channel vulnerabilities, known as Microarchitectural Data Sampling, exist in Windows. An attacker who successfully exploited these vulnerabilities may be able to read privileged data across trust boundaries. In shared resource environments (such as exists in some cloud services configurations), these vulnerabilities could allow one virtual machine to improperly access information from another. In non-browsing scenarios on standalone systems, an attacker would need prior access to the system or an ability to run a specially crafted application on the target system to leverage these vulnerabilities. (CVE-2018-12126, CVE-2018-12127, CVE-2018-12130, CVE-2019-11091) - A security feature bypass vulnerability exists when urlmon.dll improperly handles certain Mark of the Web queries. The vulnerability allows Internet Explorer to bypass Mark of the Web warnings or restrictions for files downloaded or created in a specific way. (CVE-2019-0995) - A remote code execution vulnerability exists in the way that Microsoft browsers access objects in memory. The vulnerability could corrupt memory in a way that could allow an attacker to execute arbitrary code in the context of the current user. An attacker who successfully exploited the vulnerability could gain the same user rights as the current user. (CVE-2019-0940) - A remote code execution vulnerability exists when the Windows Jet Database Engine improperly handles objects in memory. An attacker who successfully exploited this vulnerability could execute arbitrary code on a victim system. An attacker could exploit this vulnerability by enticing a victim to open a specially crafted file. The update addresses the vulnerability by correcting the way the Windows Jet Database Engine handles objects in memory. (CVE-2019-0889, CVE-2019-0890, CVE-2019-0891, CVE-2019-0893, CVE-2019-0894, CVE-2019-0895, CVE-2019-0896, CVE-2019-0897, CVE-2019-0898, CVE-2019-0899, CVE-2019-0900, CVE-2019-0901, CVE-2019-0902) - An elevation of privilege vulnerability exists when the Windows Kernel improperly handles key enumeration. An attacker who successfully exploited the vulnerability could gain elevated privileges on a targeted system. A locally authenticated attacker could exploit this vulnerability by running a specially crafted application. The security update addresses the vulnerability by helping to ensure that the Windows Kernel properly handles key enumeration. (CVE-2019-0881) - A remote code execution vulnerability exists in the way that the Windows Graphics Device Interface (GDI) handles objects in the memory. An attacker who successfully exploited this vulnerability could take control of the affected system. An attacker could then install programs; view, change, or delete data; or create new accounts with full user rights. (CVE-2019-0903) - An information disclosure vulnerability exists when Windows Hyper-V on a host operating system fails to properly validate input from an authenticated user on a guest operating system. (CVE-2019-0886) - An elevation of privilege vulnerability exists in the Unified Write Filter (UWF) feature for Windows 10 when it improperly restricts access to the registry. An attacker who successfully exploited the vulnerability could make changes to the registry keys protected by UWF without having administrator privileges. (CVE-2019-0942) - A remote code execution vulnerability exists in the way that the Chakra scripting engine handles objects in memory in Microsoft Edge. The vulnerability could corrupt memory in such a way that an attacker could execute arbitrary code in the context of the current user. An attacker who successfully exploited the vulnerability could gain the same user rights as the current user. (CVE-2019-0912, CVE-2019-0913, CVE-2019-0914, CVE-2019-0915, CVE-2019-0916, CVE-2019-0917, CVE-2019-0922, CVE-2019-0923, CVE-2019-0924, CVE-2019-0925, CVE-2019-0927, CVE-2019-0933) - A security feature bypass vulnerability exists in Windows Defender Application Control (WDAC) which could allow an attacker to bypass WDAC enforcement. An attacker who successfully exploited this vulnerability could circumvent Windows PowerShell Constrained Language Mode on the machine. (CVE-2019-0733) - An spoofing vulnerability exists when Internet Explorer improperly handles URLs. An attacker who successfully exploited this vulnerability could trick a user by redirecting the user to a specially crafted website. The specially crafted website could either spoof content or serve as a pivot to chain an attack with other vulnerabilities in web services. (CVE-2019-0921) - An elevation of privilege vulnerability exists when the Diagnostics Hub Standard Collector or the Visual Studio Standard Collector allows file deletion in arbitrary locations. (CVE-2019-0727) - An elevation of privilege vulnerability exists in Microsoft Windows when a man-in-the-middle attacker is able to successfully decode and replace authentication request using Kerberos, allowing an attacker to be validated as an Administrator. The update addresses this vulnerability by changing how these requests are validated. (CVE-2019-0734) - A remote code execution vulnerability exists when Microsoft Windows OLE fails to properly validate user input. An attacker could exploit the vulnerability to execute malicious code. (CVE-2019-0885) - A remote code execution vulnerability exists in the way the scripting engine handles objects in memory in Microsoft browsers. The vulnerability could corrupt memory in such a way that an attacker could execute arbitrary code in the context of the current user. An attacker who successfully exploited the vulnerability could gain the same user rights as the current user. (CVE-2019-0884, CVE-2019-0911, CVE-2019-0918) - An elevation of privilege vulnerability exists in the way Windows Error Reporting (WER) handles files. An attacker who successfully exploited this vulnerability could run arbitrary code in kernel mode. An attacker could then install programs; view, change, or delete data; or create new accounts with administrator privileges. (CVE-2019-0863) - An information disclosure vulnerability exists when Internet Explorer improperly handles objects in memory. An attacker who successfully exploited the vulnerability could obtain information to further compromise the users system. (CVE-2019-0930) - A denial of service vulnerability exists when .NET Framework and .NET Core improperly process RegEx strings. An attacker who successfully exploited this vulnerability could cause a denial of service against a .NET application. A remote unauthenticated attacker could exploit this vulnerability by issuing specially crafted requests to a .NET Framework (or .NET core) application. The update addresses the vulnerability by correcting how .NET Framework and .NET Core applications handle RegEx string processing. (CVE-2019-0820) - An elevation of privilege vulnerability exists in Microsoft Windows when Windows fails to properly handle certain symbolic links. An attacker who successfully exploited this vulnerability could potentially set certain items to run at a higher level and thereby elevate permissions. (CVE-2019-0936) - A memory corruption vulnerability exists in the Windows Server DHCP service when processing specially crafted packets. An attacker who successfully exploited the vulnerability could run arbitrary code on the DHCP server. (CVE-2019-0725) - A denial of service vulnerability exists when .NET Framework improperly handles objects in heap memory. An attacker who successfully exploited this vulnerability could cause a denial of service against a .NET application. (CVE-2019-0864) - An information disclosure vulnerability exists when the Windows GDI component improperly discloses the contents of its memory. An attacker who successfully exploited the vulnerability could obtain information to further compromise the users system. There are multiple ways an attacker could exploit the vulnerability, such as by convincing a user to open a specially crafted document, or by convincing a user to visit an untrusted webpage. The security update addresses the vulnerability by correcting how the Windows GDI component handles objects in memory. (CVE-2019-0758, CVE-2019-0882, CVE-2019-0961) - An elevation of privilege vulnerability exists in Microsoft Edge that could allow an attacker to escape from the AppContainer sandbox in the browser. An attacker who successfully exploited this vulnerability could gain elevated privileges and break out of the Edge AppContainer sandbox. The vulnerability by itself does not allow arbitrary code to run. However, this vulnerability could be used in conjunction with one or more vulnerabilities (for example a remote code execution vulnerability and another elevation of privilege vulnerability) to take advantage of the elevated privileges when running. The security update addresses the vulnerability by modifying how Microsoft Edge handles sandboxing. (CVE-2019-0938) - An elevation of privilege vulnerability exists in the Network Driver Interface Specification (NDIS) when ndis.sys fails to check the length of a buffer prior to copying memory to it. (CVE-2019-0707) - A denial of service vulnerability exists when .NET Framework or .NET Core improperly handle web requests. An attacker who successfully exploited this vulnerability could cause a denial of service against a .NET Framework or .NET Core web application. The vulnerability can be exploited remotely, without authentication. A remote unauthenticated attacker could exploit this vulnerability by issuing specially crafted requests to the .NET Framework or .NET Core application. The update addresses the vulnerability by correcting how .NET Framework or .NET Core web applications handles web requests. (CVE-2019-0980, CVE-2019-0981)"); # https://support.microsoft.com/en-us/help/4494440/windows-10-update-kb4494440 script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?57eaeb45"); # https://support.microsoft.com/en-us/help/4072698/windows-server-speculative-execution-side-channel-vulnerabilities-prot script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?8902cebb"); script_set_attribute(attribute:"solution", value: "Apply Cumulative Update KB4494440."); script_set_cvss_base_vector("CVSS2#AV:N/AC:M/Au:N/C:C/I:C/A:C"); script_set_cvss_temporal_vector("CVSS2#E:H/RL:OF/RC:C"); script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"); script_set_cvss3_temporal_vector("CVSS:3.0/E:H/RL:O/RC:C"); script_set_attribute(attribute:"cvss_score_source", value:"CVE-2019-0903"); script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available"); script_set_attribute(attribute:"exploit_available", value:"true"); script_set_attribute(attribute:"exploited_by_malware", value:"true"); script_set_attribute(attribute:"vuln_publication_date", value:"2019/05/14"); script_set_attribute(attribute:"patch_publication_date", value:"2019/05/14"); script_set_attribute(attribute:"plugin_publication_date", value:"2019/05/14"); script_set_attribute(attribute:"plugin_type", value:"local"); script_set_attribute(attribute:"cpe", value:"cpe:/o:microsoft:windows"); script_end_attributes(); script_category(ACT_GATHER_INFO); script_family(english:"Windows : Microsoft Bulletins"); script_copyright(english:"This script is Copyright (C) 2019 and is owned by Tenable, Inc. or an Affiliate thereof."); script_dependencies("smb_check_rollup.nasl", "smb_hotfixes.nasl", "ms_bulletin_checks_possible.nasl", 'microsoft_windows_env_vars.nasl'); script_require_keys("SMB/MS_Bulletin_Checks/Possible"); script_require_ports(139, 445, "Host/patch_management_checks"); exit(0); } include("audit.inc"); include("smb_hotfixes_fcheck.inc"); include("smb_hotfixes.inc"); include("smb_func.inc"); include("misc_func.inc"); include("smb_reg_query.inc"); get_kb_item_or_exit("SMB/MS_Bulletin_Checks/Possible"); bulletin = "MS19-05"; kbs = make_list('4494440'); if (get_kb_item("Host/patch_management_checks")) hotfix_check_3rd_party(bulletin:bulletin, kbs:kbs, severity:SECURITY_HOLE); get_kb_item_or_exit("SMB/Registry/Enumerated"); get_kb_item_or_exit("SMB/WindowsVersion", exit_code:1); productname = get_kb_item_or_exit("SMB/ProductName"); if (hotfix_check_sp_range(win10:'0') <= 0) audit(AUDIT_OS_SP_NOT_VULN); share = hotfix_get_systemdrive(as_share:TRUE, exit_on_fail:TRUE); if (!is_accessible_share(share:share)) audit(AUDIT_SHARE_FAIL, share); if ( smb_check_rollup(os:"10", sp:0, os_build:"14393", rollup_date:"05_2019", bulletin:bulletin, rollup_kb_list:[4494440]) ) { replace_kb_item(name:'SMB/Missing/'+bulletin, value:TRUE); hotfix_security_hole(); hotfix_check_fversion_end(); exit(0); } else { hotfix_check_fversion_end(); audit(AUDIT_HOST_NOT, hotfix_get_audit_report()); }