Vulnerabilities > CVE-2019-8784 - Out-of-bounds Write vulnerability in Apple products

047910
CVSS 7.8 - HIGH
Attack vector
LOCAL
Attack complexity
LOW
Privileges required
NONE
Confidentiality impact
HIGH
Integrity impact
HIGH
Availability impact
HIGH
local
low complexity
apple
CWE-787
nessus

Summary

A memory corruption issue was addressed with improved memory handling. This issue is fixed in iOS 13.2 and iPadOS 13.2, macOS Catalina 10.15.1, iTunes for Windows 12.10.2, iCloud for Windows 11.0, iCloud for Windows 7.15. An application may be able to execute arbitrary code with system privileges.

Vulnerable Configurations

Part Description Count
OS
Apple
399
Application
Apple
33

Common Weakness Enumeration (CWE)

Nessus

  • NASL familyMacOS X Local Security Checks
    NASL idMACOS_HT210722.NASL
    descriptionThe remote host is running a version of macOS or Mac OS X that is 10.15.x prior to 10.15.1, 10.14.x prior to 10.14.6 security update 2019-001, 10.13.x prior to 10.13.6 security update 2019-006. It is, therefore, affected by multiple vulnerabilities : - An out-of-bounds read error exists in the accounts component due to improper input validation. A remote attacker can exploit this, to disclose memory contents. (CVE-2019-8787) - A security bypass vulnerability exists in the App Store component due to an improper state management implementation. A local attacker can exploit this, to login to the account of a previously logged in user without valid credentials. (CVE-2019-8803) - An out-of-bounds read error exists in the IOGraphics component due to improper bounds checking. A local attacker can exploit this, to cause unexpected system termination or to read kernel memory. (CVE-2019-8759) Note that Nessus has not tested for this issue but has instead relied only on the operating system
    last seen2020-03-18
    modified2019-11-13
    plugin id130967
    published2019-11-13
    reporterThis script is Copyright (C) 2019-2020 and is owned by Tenable, Inc. or an Affiliate thereof.
    sourcehttps://www.tenable.com/plugins/nessus/130967
    titlemacOS 10.15.x < 10.15.1 / 10.14.x < 10.14.6 Security Update 2019-001 / 10.13.x < 10.13.6 Security Update 2019-006
    code
    #
    # (C) Tenable Network Security, Inc.
    #
    
    include('compat.inc');
    
    if (description)
    {
      script_id(130967);
      script_version("1.7");
      script_set_attribute(attribute:"plugin_modification_date", value:"2020/03/10");
    
      script_cve_id(
        "CVE-2017-7152",
        "CVE-2018-12152",
        "CVE-2018-12153",
        "CVE-2018-12154",
        "CVE-2019-8509",
        "CVE-2019-8592",
        "CVE-2019-8705",
        "CVE-2019-8706",
        "CVE-2019-8708",
        "CVE-2019-8709",
        "CVE-2019-8715",
        "CVE-2019-8716",
        "CVE-2019-8717",
        "CVE-2019-8736",
        "CVE-2019-8737",
        "CVE-2019-8744",
        "CVE-2019-8745",
        "CVE-2019-8746",
        "CVE-2019-8748",
        "CVE-2019-8749",
        "CVE-2019-8750",
        "CVE-2019-8754",
        "CVE-2019-8756",
        "CVE-2019-8759",
        "CVE-2019-8761",
        "CVE-2019-8767",
        "CVE-2019-8772",
        "CVE-2019-8784",
        "CVE-2019-8785",
        "CVE-2019-8786",
        "CVE-2019-8787",
        "CVE-2019-8788",
        "CVE-2019-8789",
        "CVE-2019-8794",
        "CVE-2019-8797",
        "CVE-2019-8798",
        "CVE-2019-8801",
        "CVE-2019-8802",
        "CVE-2019-8803",
        "CVE-2019-8805",
        "CVE-2019-8807",
        "CVE-2019-8817",
        "CVE-2019-8824",
        "CVE-2019-8825",
        "CVE-2019-8829",
        "CVE-2019-8831",
        "CVE-2019-8850",
        "CVE-2019-8858",
        "CVE-2019-11041",
        "CVE-2019-11042",
        "CVE-2019-15126"
      );
      script_bugtraq_id(103136, 105582);
      script_xref(name:"APPLE-SA", value:"HT210722");
      script_xref(name:"APPLE-SA", value:"APPLE-SA-2019-10-29");
    
      script_name(english:"macOS 10.15.x < 10.15.1 / 10.14.x < 10.14.6 Security Update 2019-001 / 10.13.x < 10.13.6 Security Update 2019-006");
      script_summary(english:"Checks the version of macOS or Mac OS X.");
    
      script_set_attribute(attribute:"synopsis", value:
    "The remote host is missing a macOS or Mac OS X security update that fixes multiple vulnerabilities.");
      script_set_attribute(attribute:"description", value:
    "The remote host is running a version of macOS or Mac OS X that is 10.15.x prior to 10.15.1, 10.14.x prior to 10.14.6 
    security update 2019-001, 10.13.x prior to 10.13.6 security update 2019-006. It is, therefore, affected by multiple 
    vulnerabilities :
    
      - An out-of-bounds read error exists in the accounts component due to improper input validation. A remote
        attacker can exploit this, to disclose memory contents. (CVE-2019-8787)
    
      - A security bypass vulnerability exists in the App Store component due to an improper state management
        implementation. A local attacker can exploit this, to login to the account of a previously logged in user
        without valid credentials. (CVE-2019-8803)
    
      - An out-of-bounds read error exists in the IOGraphics component due to improper bounds checking. A local
        attacker can exploit this, to cause unexpected system termination or to read kernel memory. 
        (CVE-2019-8759)
    
    Note that Nessus has not tested for this issue but has instead relied only on the operating system's self-reported
    version number.");
      # https://support.apple.com/en-us/HT210722
      script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?39d6c45e");
      script_set_attribute(attribute:"solution", value:
    "Upgrade to macOS 10.15.1 / 10.14.6 security update 2019-001 / 10.13.6 security update 2019-006 or later");
      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:POC/RL:OF/RC:C");
      script_set_cvss3_base_vector("CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H");
      script_set_cvss3_temporal_vector("CVSS:3.0/E:P/RL:O/RC:C");
      script_set_attribute(attribute:"cvss_score_source", value:"CVE-2019-8807");
    
      script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available");
      script_set_attribute(attribute:"exploit_available", value:"true");
    
      script_set_attribute(attribute:"vuln_publication_date", value:"2019/10/29");
      script_set_attribute(attribute:"patch_publication_date", value:"2019/10/29");
      script_set_attribute(attribute:"plugin_publication_date", value:"2019/11/13");
    
      script_set_attribute(attribute:"plugin_type", value:"combined");
      script_set_attribute(attribute:"cpe", value:"cpe:/o:apple:mac_os_x");
      script_set_attribute(attribute:"cpe", value:"cpe:/o:apple:macos");
      script_end_attributes();
    
      script_category(ACT_GATHER_INFO);
      script_family(english:"MacOS X Local Security Checks");
    
      script_copyright(english:"This script is Copyright (C) 2019-2020 and is owned by Tenable, Inc. or an Affiliate thereof.");
    
      script_dependencies("ssh_get_info.nasl", "os_fingerprint.nasl");
      script_require_ports("Host/MacOSX/Version", "Host/OS");
    
      exit(0);
    }
    
    include('lists.inc');
    include('vcf.inc');
    include('vcf_extras_apple.inc');
    
    app_info = vcf::apple::macos::get_app_info();
    
    constraints = [
      { 'min_version': '10.13', 'max_version': '10.13.6', 'fixed_build': '17G9016', 'fixed_display': '10.13.6 Security Update 2019-006' },
      { 'min_version': '10.14', 'max_version': '10.14.6', 'fixed_build': '18G1012', 'fixed_display': '10.14.6 Security Update 2019-001' },
      { 'min_version': '10.15', 'fixed_version': '10.15.1' }
    ];
    
    vcf::apple::macos::check_version_and_report(app_info:app_info, constraints:constraints, severity:SECURITY_HOLE);
    
  • NASL familyWindows
    NASL idITUNES_12_10_2.NASL
    descriptionThe version of Apple iTunes installed on the remote Windows host is prior to 12.10.2. It is, therefore, affected by multiple vulnerabilities as referenced in the HT210726 advisory. Note that Nessus has not tested for this issue but has instead relied only on the application
    last seen2020-06-01
    modified2020-06-02
    plugin id131132
    published2019-11-20
    reporterThis script is Copyright (C) 2019 and is owned by Tenable, Inc. or an Affiliate thereof.
    sourcehttps://www.tenable.com/plugins/nessus/131132
    titleApple iTunes < 12.10.2 Multiple Vulnerabilities (credentialed check)
    code
    #
    # (C) Tenable Network Security, Inc.
    #
    
    include("compat.inc");
    
    if (description)
    {
      script_id(131132);
      script_version("1.2");
      script_cvs_date("Date: 2019/11/22");
    
      script_cve_id(
        "CVE-2019-8782",
        "CVE-2019-8783",
        "CVE-2019-8784",
        "CVE-2019-8801",
        "CVE-2019-8808",
        "CVE-2019-8811",
        "CVE-2019-8812",
        "CVE-2019-8813",
        "CVE-2019-8814",
        "CVE-2019-8815",
        "CVE-2019-8816",
        "CVE-2019-8819",
        "CVE-2019-8820",
        "CVE-2019-8821",
        "CVE-2019-8822",
        "CVE-2019-8823"
      );
      script_xref(name:"APPLE-SA", value:"HT210726");
      script_xref(name:"APPLE-SA", value:"APPLE-SA-2019-10-25");
    
      script_name(english:"Apple iTunes < 12.10.2 Multiple Vulnerabilities (credentialed check)");
    
      script_set_attribute(attribute:"synopsis", value:
    "An application installed on the remote host is affected by multiple vulnerabilities");
      script_set_attribute(attribute:"description", value:
    "The version of Apple iTunes installed on the remote Windows host is prior to 12.10.2. It is, therefore, affected by
    multiple vulnerabilities as referenced in the HT210726 advisory. Note that Nessus has not tested for this issue but has
    instead relied only on the application's self-reported version number.");
      script_set_attribute(attribute:"see_also", value:"https://support.apple.com/en-us/HT210726");
      script_set_attribute(attribute:"solution", value:
    "Upgrade to Apple iTunes version 12.10.2 or later.");
      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:POC/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:P/RL:O/RC:C");
      script_set_attribute(attribute:"cvss_score_source", value:"CVE-2019-8784");
    
      script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available");
      script_set_attribute(attribute:"exploit_available", value:"true");
    
      script_set_attribute(attribute:"vuln_publication_date", value:"2019/10/25");
      script_set_attribute(attribute:"patch_publication_date", value:"2019/10/25");
      script_set_attribute(attribute:"plugin_publication_date", value:"2019/11/20");
    
      script_set_attribute(attribute:"plugin_type", value:"local");
      script_set_attribute(attribute:"cpe", value:"cpe:/a:apple:itunes");
      script_end_attributes();
    
      script_category(ACT_GATHER_INFO);
      script_family(english:"Windows");
    
      script_copyright(english:"This script is Copyright (C) 2019 and is owned by Tenable, Inc. or an Affiliate thereof.");
    
      script_dependencies("itunes_detect.nasl");
      script_require_keys("installed_sw/iTunes Version", "SMB/Registry/Enumerated");
    
      exit(0);
    }
    include("vcf.inc");
    
    get_kb_item_or_exit("SMB/Registry/Enumerated");
    
    app_info = vcf::get_app_info(app:"iTunes Version", win_local:TRUE);
    constraints = [{'fixed_version':'12.10.2'}];
    vcf::check_version_and_report(app_info:app_info, constraints:constraints, severity:SECURITY_HOLE);