Vulnerabilities > CVE-2015-2421 - Information Exposure vulnerability in Microsoft Internet Explorer

047910
CVSS 4.3 - MEDIUM
Attack vector
NETWORK
Attack complexity
MEDIUM
Privileges required
NONE
Confidentiality impact
PARTIAL
Integrity impact
NONE
Availability impact
NONE
network
microsoft
CWE-200
nessus

Summary

Microsoft Internet Explorer 6 through 11 allows remote attackers to bypass the ASLR protection mechanism via a crafted web site, aka "Internet Explorer ASLR Bypass."

Common Weakness Enumeration (CWE)

Common Attack Pattern Enumeration and Classification (CAPEC)

  • Subverting Environment Variable Values
    The attacker directly or indirectly modifies environment variables used by or controlling the target software. The attacker's goal is to cause the target software to deviate from its expected operation in a manner that benefits the attacker.
  • Footprinting
    An attacker engages in probing and exploration activity to identify constituents and properties of the target. Footprinting is a general term to describe a variety of information gathering techniques, often used by attackers in preparation for some attack. It consists of using tools to learn as much as possible about the composition, configuration, and security mechanisms of the targeted application, system or network. Information that might be collected during a footprinting effort could include open ports, applications and their versions, network topology, and similar information. While footprinting is not intended to be damaging (although certain activities, such as network scans, can sometimes cause disruptions to vulnerable applications inadvertently) it may often pave the way for more damaging attacks.
  • Exploiting Trust in Client (aka Make the Client Invisible)
    An attack of this type exploits a programs' vulnerabilities in client/server communication channel authentication and data integrity. It leverages the implicit trust a server places in the client, or more importantly, that which the server believes is the client. An attacker executes this type of attack by placing themselves in the communication channel between client and server such that communication directly to the server is possible where the server believes it is communicating only with a valid client. There are numerous variations of this type of attack.
  • Browser Fingerprinting
    An attacker carefully crafts small snippets of Java Script to efficiently detect the type of browser the potential victim is using. Many web-based attacks need prior knowledge of the web browser including the version of browser to ensure successful exploitation of a vulnerability. Having this knowledge allows an attacker to target the victim with attacks that specifically exploit known or zero day weaknesses in the type and version of the browser used by the victim. Automating this process via Java Script as a part of the same delivery system used to exploit the browser is considered more efficient as the attacker can supply a browser fingerprinting method and integrate it with exploit code, all contained in Java Script and in response to the same web page request by the browser.
  • Session Credential Falsification through Prediction
    This attack targets predictable session ID in order to gain privileges. The attacker can predict the session ID used during a transaction to perform spoofing and session hijacking.

Msbulletin

bulletin_idMS15-065
bulletin_url
date2015-07-14T00:00:00
impactRemote Code Execution
knowledgebase_id3076321
knowledgebase_url
severityCritical
titleSecurity Update for Internet Explorer

Nessus

NASL familyWindows : Microsoft Bulletins
NASL idSMB_NT_MS15-065.NASL
descriptionThe version of Internet Explorer installed on the remote host is missing Cumulative Security Update 3076321. It is, therefore, affected by multiple vulnerabilities, the majority of which are remote code execution vulnerabilities. An attacker can exploit these vulnerabilities by convincing a user to visit a specially crafted website. Hosts running Internet Explorer 10 or Internet Explorer 11 will not be fully protected until both security update 3065822 and security update 3075516 are applied to the system. Security update 3075516 may require manual installation depending on your patching method. Note that the majority of the vulnerabilities addressed by Cumulative Security Update 3076321 are mitigated by the Enhanced Security Configuration (ESC) mode which is enabled by default on Windows Server 2003, 2008, 2008 R2, 2012, and 2012 R2.
last seen2020-06-01
modified2020-06-02
plugin id84761
published2015-07-15
reporterThis script is Copyright (C) 2015-2018 Tenable Network Security, Inc.
sourcehttps://www.tenable.com/plugins/nessus/84761
titleMS15-065: Cumulative Security Update for Internet Explorer (3076321)
code
#
# (C) Tenable Network Security, Inc.
#

include("compat.inc");

if (description)
{
  script_id(84761);
  script_version("1.12");
  script_cvs_date("Date: 2018/11/15 20:50:31");

  script_cve_id(
    "CVE-2015-1729",
    "CVE-2015-1733",
    "CVE-2015-1738",
    "CVE-2015-1767",
    "CVE-2015-2372",
    "CVE-2015-2383",
    "CVE-2015-2384",
    "CVE-2015-2385",
    "CVE-2015-2388",
    "CVE-2015-2389",
    "CVE-2015-2390",
    "CVE-2015-2391",
    "CVE-2015-2397",
    "CVE-2015-2398",
    "CVE-2015-2401",
    "CVE-2015-2402",
    "CVE-2015-2403",
    "CVE-2015-2404",
    "CVE-2015-2406",
    "CVE-2015-2408",
    "CVE-2015-2410",
    "CVE-2015-2411",
    "CVE-2015-2412",
    "CVE-2015-2413",
    "CVE-2015-2414",
    "CVE-2015-2419",
    "CVE-2015-2421",
    "CVE-2015-2422",
    "CVE-2015-2425"
  );
  script_bugtraq_id(
    75626,
    75631,
    75636,
    75677,
    75679,
    75687,
    75689,
    75690,
    75745
  );
  script_xref(name:"MSFT", value:"MS15-065");
  script_xref(name:"MSKB", value:"3065822");
  script_xref(name:"MSKB", value:"3075516");

  script_name(english:"MS15-065: Cumulative Security Update for Internet Explorer (3076321)");
  script_summary(english:"Checks the version of Mshtml.dll.");

  script_set_attribute(attribute:"synopsis", value:
"The remote host has a web browser installed that is affected by
multiple vulnerabilities.");
  script_set_attribute(attribute:"description", value:
"The version of Internet Explorer installed on the remote host is
missing Cumulative Security Update 3076321. It is, therefore, affected
by multiple vulnerabilities, the majority of which are remote code
execution vulnerabilities. An attacker can exploit these
vulnerabilities by convincing a user to visit a specially crafted
website.

Hosts running Internet Explorer 10 or Internet Explorer 11 will not
be fully protected until both security update 3065822 and security
update 3075516 are applied to the system. Security update 3075516
may require manual installation depending on your patching method.

Note that the majority of the vulnerabilities addressed by Cumulative
Security Update 3076321 are mitigated by the Enhanced Security
Configuration (ESC) mode which is enabled by default on Windows Server
2003, 2008, 2008 R2, 2012, and 2012 R2.");
  script_set_attribute(attribute:"see_also", value:"https://docs.microsoft.com/en-us/security-updates/SecurityBulletins/2015/ms15-065");
  script_set_attribute(attribute:"solution", value:
"Microsoft has released a set of patches for Internet Explorer 6, 7, 8,
9, 10, and 11.");
  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_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:"2015/07/14");
  script_set_attribute(attribute:"patch_publication_date", value:"2015/07/14");
  script_set_attribute(attribute:"plugin_publication_date", value:"2015/07/15");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:microsoft:windows");
  script_set_attribute(attribute:"cpe", value:"cpe:/a:microsoft:ie");

  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_family(english:"Windows : Microsoft Bulletins");

  script_copyright(english:"This script is Copyright (C) 2015-2018 Tenable Network Security, Inc.");

  script_dependencies("smb_hotfixes.nasl", "ms_bulletin_checks_possible.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");

get_kb_item_or_exit("SMB/MS_Bulletin_Checks/Possible");

bulletin = 'MS15-065';
kb       = '3065822';
kb2       = '3075516';

kbs = make_list(kb,kb2);
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", exit_code:1);
# Some of the 2k3 checks could flag XP 64, which is unsupported
if ("Windows XP" >< productname) audit(AUDIT_OS_SP_NOT_VULN);

if (hotfix_check_sp_range(win2003:'2', vista:'2', win7:'1', win8:'0', win81:'0') <= 0) audit(AUDIT_OS_SP_NOT_VULN);
if (hotfix_check_server_core() == 1) audit(AUDIT_WIN_SERVER_CORE);

share = hotfix_get_systemdrive(exit_on_fail:TRUE, as_share:TRUE);
if (!is_accessible_share(share:share)) audit(AUDIT_SHARE_FAIL, share);

vuln   = 0;

if (
  #######################################
  # KB 3076321 (kb)                     #
  #######################################

  # Windows 8.1 / 2012 R2
  #
  # - Internet Explorer 11
  hotfix_is_vulnerable(os:"6.3", file:"Mshtml.dll", version:"11.0.9600.17905", min_version:"11.0.9600.16000", dir:"\system32", bulletin:bulletin, kb:kb) ||

  # Windows 8 / 2012
  #
  # - Internet Explorer 10
  hotfix_is_vulnerable(os:"6.2", file:"Mshtml.dll", version:"10.0.9200.17412", min_version:"10.0.9200.16000", dir:"\system32", bulletin:bulletin, kb:kb) ||
  hotfix_is_vulnerable(os:"6.2", file:"Mshtml.dll", version:"10.0.9200.21523", min_version:"10.0.9200.21000", dir:"\system32", bulletin:bulletin, kb:kb) ||

  # Windows 7 / 2008 R2
  # - Internet Explorer 11
  hotfix_is_vulnerable(os:"6.1", sp:1, file:"Mshtml.dll", version:"11.0.9600.17915", min_version:"11.0.9600.17000", dir:"\system32", bulletin:bulletin, kb:kb) ||
  # - Internet Explorer 10
  hotfix_is_vulnerable(os:"6.1", sp:1, file:"Mshtml.dll", version:"10.0.9200.17412", min_version:"10.0.9200.16000", dir:"\system32", bulletin:bulletin, kb:kb) ||
  hotfix_is_vulnerable(os:"6.1", sp:1, file:"Mshtml.dll", version:"10.0.9200.21523", min_version:"10.0.9200.21000", dir:"\system32", bulletin:bulletin, kb:kb) ||
  # - Internet Explorer 9
  hotfix_is_vulnerable(os:"6.1", sp:1, file:"Mshtml.dll", version:"9.0.8112.16669", min_version:"9.0.8112.16000", dir:"\system32", bulletin:bulletin, kb:kb) ||
  hotfix_is_vulnerable(os:"6.1", sp:1, file:"Mshtml.dll", version:"9.0.8112.20784", min_version:"9.0.8112.20000", dir:"\system32", bulletin:bulletin, kb:kb) ||
  # - Internet Explorer 8
  hotfix_is_vulnerable(os:"6.1", sp:1, file:"Mshtml.dll", version:"8.0.7601.18896", min_version:"8.0.7601.17000", dir:"\system32", bulletin:bulletin, kb:kb) ||
  hotfix_is_vulnerable(os:"6.1", sp:1, file:"Mshtml.dll", version:"8.0.7601.23099", min_version:"8.0.7601.22000", dir:"\system32", bulletin:bulletin, kb:kb) ||

  # Vista / 2008
  #
  # - Internet Explorer 9
  hotfix_is_vulnerable(os:"6.0", sp:2, file:"Mshtml.dll", version:"9.0.8112.16669", min_version:"9.0.8112.16000", dir:"\system32", bulletin:bulletin, kb:kb) ||
  hotfix_is_vulnerable(os:"6.0", sp:2, file:"Mshtml.dll", version:"9.0.8112.20784", min_version:"9.0.8112.20000", dir:"\system32", bulletin:bulletin, kb:kb) ||
  # - Internet Explorer 8
  hotfix_is_vulnerable(os:"6.0", sp:2, file:"Mshtml.dll", version:"8.0.6001.19652", min_version:"8.0.6001.18000", dir:"\system32", bulletin:bulletin, kb:kb) ||
  hotfix_is_vulnerable(os:"6.0", sp:2, file:"Mshtml.dll", version:"8.0.6001.23707", min_version:"8.0.6001.23000", dir:"\system32", bulletin:bulletin, kb:kb) ||
  # - Internet Explorer 7
  hotfix_is_vulnerable(os:"6.0", sp:2, file:"Mshtml.dll", version:"7.0.6002.19421", min_version:"7.0.6002.18000", dir:"\system32", bulletin:bulletin, kb:kb) ||
  hotfix_is_vulnerable(os:"6.0", sp:2, file:"Mshtml.dll", version:"7.0.6002.23728", min_version:"7.0.6002.23000", dir:"\system32", bulletin:bulletin, kb:kb) ||

  # Windows 2003
  #
  # - Internet Explorer 8
  hotfix_is_vulnerable(os:"5.2", sp:2, file:"Mshtml.dll", version:"8.0.6001.23707", min_version:"8.0.0.0", dir:"\system32", bulletin:bulletin, kb:kb) ||
  # - Internet Explorer 7
  hotfix_is_vulnerable(os:"5.2", sp:2, file:"Mshtml.dll", version:"7.0.6000.21481", min_version:"7.0.0.0", dir:"\system32", bulletin:bulletin, kb:kb) ||
  # - Internet Explorer 6
  hotfix_is_vulnerable(os:"5.2", sp:2, file:"Mshtml.dll", version:"6.0.3790.5662",  min_version:"6.0.0.0", dir:"\system32", bulletin:bulletin, kb:kb)
) vuln++;



if (
  #######################################
  # KB 3075516 (kb2)                    #
  #######################################

  # Windows 8.1 / 2012 R2
  #
  # - Internet Explorer 11
  hotfix_is_vulnerable(os:"6.3", file:"jscript9.dll", version:"11.0.9600.17923", min_version:"11.0.9600.16000", dir:"\system32", bulletin:bulletin, kb:kb2) ||

  # Windows 8 / 2012
  #
  # - Internet Explorer 10
  hotfix_is_vulnerable(os:"6.2", file:"jscript9.dll", version:"10.0.9200.21531", min_version:"10.0.9200.21000", dir:"\system32", bulletin:bulletin, kb:kb2) ||
  hotfix_is_vulnerable(os:"6.2", file:"jscript9.dll", version:"10.0.9200.17422", min_version:"10.0.9200.16000", dir:"\system32", bulletin:bulletin, kb:kb2) ||

  # Windows 7 / 2008 R2
  # - Internet Explorer 11
  hotfix_is_vulnerable(os:"6.1", sp:1, file:"jscript9.dll", version:"11.0.9600.17918", min_version:"11.0.9600.16000", dir:"\system32", bulletin:bulletin, kb:kb2) ||
  # - Internet Explorer 10
  hotfix_is_vulnerable(os:"6.1", sp:1, file:"jscript9.dll", version:"10.0.9200.21531", min_version:"10.0.9200.21000", dir:"\system32", bulletin:bulletin, kb:kb2) ||
  hotfix_is_vulnerable(os:"6.1", sp:1, file:"jscript9.dll", version:"10.0.9200.17422", min_version:"10.0.9200.16000", dir:"\system32", bulletin:bulletin, kb:kb2)
) vuln++;

if( vuln )
{
  set_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, 'affected');
}