Vulnerabilities > CVE-2016-1819 - Use After Free vulnerability in Apple products

047910
CVSS 9.3 - CRITICAL
Attack vector
NETWORK
Attack complexity
MEDIUM
Privileges required
NONE
Confidentiality impact
COMPLETE
Integrity impact
COMPLETE
Availability impact
COMPLETE
network
apple
CWE-416
critical
nessus
exploit available

Summary

Use-after-free vulnerability in the IOAccelContext2::clientMemoryForType method in Apple iOS before 9.3.2, OS X before 10.11.5, tvOS before 9.2.1, and watchOS before 2.2.1 allows attackers to execute arbitrary code in a privileged context or cause a denial of service (memory corruption) via a crafted app, a different vulnerability than CVE-2016-1817 and CVE-2016-1818.

Vulnerable Configurations

Part Description Count
OS
Apple
289

Common Weakness Enumeration (CWE)

Exploit-Db

descriptionOS X Kernel - Use-After-Free Due to Bad Locking in IOAcceleratorFamily2. CVE-2016-1819. Dos exploit for osx platform
fileexploits/osx/dos/39928.c
idEDB-ID:39928
last seen2016-06-11
modified2016-06-10
platformosx
port
published2016-06-10
reporterGoogle Security Research
sourcehttps://www.exploit-db.com/download/39928/
titleOS X Kernel - Use-After-Free Due to Bad Locking in IOAcceleratorFamily2
typedos

Nessus

  • NASL familyMacOS X Local Security Checks
    NASL idMACOSX_10_11_5.NASL
    descriptionThe remote host is running a version of Mac OS X that is 10.11.x prior to 10.11.5. It is, therefore, affected by multiple vulnerabilities in the following components : - AMD - apache_mod_php - AppleGraphicsControl - AppleGraphicsPowerManagement - Assistant - ATS - Audio - Captive - CFNetwork - CommonCrypto - CoreCapture - CoreStorage - Crash - Disk - Disk - Driver - Drivers - Drivers - Graphics - Graphics - Graphics - ImageIO - Images - Intel - IOAcceleratorFamily - IOAudioFamily - IOFireWireFamily - IOHIDFamily - Kernel - libc - libxml2 - libxslt - Lock - MapKit - Messages - Multi-Touch - Network - NVIDIA - OpenGL - Proxies - QuickTime - Reporter - SceneKit - Screen - Tcl - Utility Note that successful exploitation of the most serious issues can result in arbitrary code execution.
    last seen2020-06-01
    modified2020-06-02
    plugin id91228
    published2016-05-19
    reporterThis script is Copyright (C) 2016-2019 and is owned by Tenable, Inc. or an Affiliate thereof.
    sourcehttps://www.tenable.com/plugins/nessus/91228
    titleMac OS X 10.11.x < 10.11.5 Multiple Vulnerabilities
    code
    #
    # (C) Tenable Network Security, Inc.
    #
    
    include("compat.inc");
    
    if (description)
    {
      script_id(91228);
      script_version("1.10");
      script_cvs_date("Date: 2019/11/19");
    
      script_cve_id(
        "CVE-2016-1792",
        "CVE-2016-1793",
        "CVE-2016-1794",
        "CVE-2016-1795",
        "CVE-2016-1796",
        "CVE-2016-1797",
        "CVE-2016-1798",
        "CVE-2016-1799",
        "CVE-2016-1801",
        "CVE-2016-1802",
        "CVE-2016-1803",
        "CVE-2016-1804",
        "CVE-2016-1805",
        "CVE-2016-1806",
        "CVE-2016-1807",
        "CVE-2016-1808",
        "CVE-2016-1809",
        "CVE-2016-1810",
        "CVE-2016-1811",
        "CVE-2016-1812",
        "CVE-2016-1813",
        "CVE-2016-1814",
        "CVE-2016-1815",
        "CVE-2016-1816",
        "CVE-2016-1817",
        "CVE-2016-1818",
        "CVE-2016-1819",
        "CVE-2016-1820",
        "CVE-2016-1821",
        "CVE-2016-1822",
        "CVE-2016-1823",
        "CVE-2016-1824",
        "CVE-2016-1825",
        "CVE-2016-1826",
        "CVE-2016-1827",
        "CVE-2016-1828",
        "CVE-2016-1829",
        "CVE-2016-1830",
        "CVE-2016-1831",
        "CVE-2016-1832",
        "CVE-2016-1833",
        "CVE-2016-1834",
        "CVE-2016-1835",
        "CVE-2016-1836",
        "CVE-2016-1837",
        "CVE-2016-1838",
        "CVE-2016-1839",
        "CVE-2016-1840",
        "CVE-2016-1842",
        "CVE-2016-1843",
        "CVE-2016-1844",
        "CVE-2016-1846",
        "CVE-2016-1848",
        "CVE-2016-1850",
        "CVE-2016-1851",
        "CVE-2016-1853",
        "CVE-2016-1861",
        "CVE-2016-3141",
        "CVE-2016-3142",
        "CVE-2016-4070",
        "CVE-2016-4071",
        "CVE-2016-4072",
        "CVE-2016-4073",
        "CVE-2016-4650"
      );
      script_bugtraq_id(
        84271,
        84306,
        85800,
        85801,
        85991,
        85993,
        90692,
        90694,
        90696,
        90697,
        90698,
        90801,
        91353,
        92034
      );
      script_xref(name:"APPLE-SA", value:"APPLE-SA-2016-05-16-4");
    
      script_name(english:"Mac OS X 10.11.x < 10.11.5 Multiple Vulnerabilities");
      script_summary(english:"Checks the version of Mac OS X.");
    
      script_set_attribute(attribute:"synopsis", value:
    "The remote Mac OS X host is affected by multiple vulnerabilities.");
      script_set_attribute(attribute:"description", value:
    "The remote host is running a version of Mac OS X that is 10.11.x prior
    to 10.11.5. It is, therefore, affected by multiple vulnerabilities in
    the following components :
    
      - AMD
      - apache_mod_php
      - AppleGraphicsControl
      - AppleGraphicsPowerManagement
      - Assistant
      - ATS
      - Audio
      - Captive
      - CFNetwork
      - CommonCrypto
      - CoreCapture
      - CoreStorage
      - Crash
      - Disk
      - Disk
      - Driver
      - Drivers
      - Drivers
      - Graphics
      - Graphics
      - Graphics
      - ImageIO
      - Images
      - Intel
      - IOAcceleratorFamily
      - IOAudioFamily
      - IOFireWireFamily
      - IOHIDFamily
      - Kernel
      - libc
      - libxml2
      - libxslt
      - Lock
      - MapKit
      - Messages
      - Multi-Touch
      - Network
      - NVIDIA
      - OpenGL
      - Proxies
      - QuickTime
      - Reporter
      - SceneKit
      - Screen
      - Tcl
      - Utility
    
    Note that successful exploitation of the most serious issues can
    result in arbitrary code execution.");
      script_set_attribute(attribute:"see_also", value:"https://support.apple.com/en-us/HT206567");
      # http://lists.apple.com/archives/security-announce/2016/May/msg00004.html
      script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?46de3fda");
      script_set_attribute(attribute:"solution", value:
    "Upgrade to Mac OS X version 10.11.5 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-2016-4650");
    
      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:"2016/05/16");
      script_set_attribute(attribute:"patch_publication_date", value:"2016/05/16");
      script_set_attribute(attribute:"plugin_publication_date", value:"2016/05/19");
    
      script_set_attribute(attribute:"plugin_type", value:"combined");
      script_set_attribute(attribute:"cpe", value:"cpe:/o:apple:mac_os_x");
      script_end_attributes();
    
      script_category(ACT_GATHER_INFO);
      script_family(english:"MacOS X Local Security Checks");
    
      script_copyright(english:"This script is Copyright (C) 2016-2019 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("audit.inc");
    include("global_settings.inc");
    include("misc_func.inc");
    
    os = get_kb_item("Host/MacOSX/Version");
    if (!os)
    {
      os = get_kb_item_or_exit("Host/OS");
      if ("Mac OS X" >!< os)
        audit(AUDIT_OS_NOT, "Mac OS X");
    
      c = get_kb_item("Host/OS/Confidence");
      if (c <= 70)
        exit(1, "Cannot determine the host's OS with sufficient confidence.");
    }
    if (!os)
      audit(AUDIT_OS_NOT, "Mac OS X");
    
    match = eregmatch(pattern:"Mac OS X ([0-9]+(\.[0-9]+)+)", string:os);
    if (isnull(match)) exit(1, "Failed to parse the Mac OS X version ('" + os + "').");
    
    version = match[1];
    
    if (
      version !~ "^10\.11([^0-9]|$)"
    ) audit(AUDIT_OS_NOT, "Mac OS X 10.11 or later", "Mac OS X "+version);
    
    fix = "10.11.5";
    if (ver_compare(ver:version, fix:fix, strict:FALSE) == -1)
    {
      items = make_array("Installed version", version,
                         "Fixed version", fix
                        );
      order = make_list("Installed version", "Fixed version");
      report = report_items_str(report_items:items, ordered_fields:order);
    
      security_report_v4(port:0, extra:report, severity:SECURITY_HOLE);
      exit(0);
    
     }
    else
      audit(AUDIT_INST_VER_NOT_VULN, "Mac OS X", version);
    
  • NASL familyMisc.
    NASL idAPPLETV_9_2_1.NASL
    descriptionAccording to its banner, the version of the remote Apple TV device is prior to 9.2.1. It is, therefore, affected by multiple vulnerabilities in the following components : - CFNetwork Proxies - CommonCrypto - CoreCapture - Disk Images - ImageIO - IOAcceleratorFamily - IOHIDFamily - Kernel - libc - libxml2 - libxslt - OpenGL - WebKit - WebKit Canvas Note that only 4th generation models are affected by the vulnerabilities.
    last seen2020-06-01
    modified2020-06-02
    plugin id91311
    published2016-05-24
    reporterThis script is Copyright (C) 2016-2019 and is owned by Tenable, Inc. or an Affiliate thereof.
    sourcehttps://www.tenable.com/plugins/nessus/91311
    titleApple TV < 9.2.1 Multiple Vulnerabilities
    code
    #
    # (C) Tenable Network Security, Inc.
    #
    
    include("compat.inc");
    
    if (description)
    {
      script_id(91311);
      script_version("1.9");
      script_cvs_date("Date: 2019/11/14");
    
      script_cve_id(
        "CVE-2016-1801",
        "CVE-2016-1802",
        "CVE-2016-1803",
        "CVE-2016-1807",
        "CVE-2016-1808",
        "CVE-2016-1811",
        "CVE-2016-1813",
        "CVE-2016-1814",
        "CVE-2016-1817",
        "CVE-2016-1818",
        "CVE-2016-1819",
        "CVE-2016-1823",
        "CVE-2016-1824",
        "CVE-2016-1827",
        "CVE-2016-1828",
        "CVE-2016-1829",
        "CVE-2016-1830",
        "CVE-2016-1832",
        "CVE-2016-1833",
        "CVE-2016-1834",
        "CVE-2016-1836",
        "CVE-2016-1837",
        "CVE-2016-1838",
        "CVE-2016-1839",
        "CVE-2016-1840",
        "CVE-2016-1841",
        "CVE-2016-1847",
        "CVE-2016-1854",
        "CVE-2016-1855",
        "CVE-2016-1856",
        "CVE-2016-1857",
        "CVE-2016-1858",
        "CVE-2016-1859",
        "CVE-2016-4650"
      );
      script_xref(name:"APPLE-SA", value:"APPLE-SA-2016-05-16-1");
    
      script_name(english:"Apple TV < 9.2.1 Multiple Vulnerabilities");
      script_summary(english:"Checks the build number.");
    
      script_set_attribute(attribute:"synopsis", value:
    "The remote device is affected by multiple vulnerabilities.");
      script_set_attribute(attribute:"description", value:
    "According to its banner, the version of the remote Apple TV device is
    prior to 9.2.1. It is, therefore, affected by multiple vulnerabilities
    in the following components :
    
      - CFNetwork Proxies
      - CommonCrypto
      - CoreCapture
      - Disk Images
      - ImageIO
      - IOAcceleratorFamily
      - IOHIDFamily
      - Kernel
      - libc
      - libxml2
      - libxslt
      - OpenGL
      - WebKit
      - WebKit Canvas
    
    Note that only 4th generation models are affected by the
    vulnerabilities.");
      script_set_attribute(attribute:"see_also", value:"https://support.apple.com/en-us/HT206564");
      # https://lists.apple.com/archives/security-announce/2016/May/msg00001.html
      script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?618f77f3");
      script_set_attribute(attribute:"solution", value:
    "Upgrade to Apple TV version 9.2.1 or later. Note that this update is
    only available for 4th generation models.");
      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-2016-4650");
    
      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:"2016/05/16");
      script_set_attribute(attribute:"patch_publication_date", value:"2016/05/16");
      script_set_attribute(attribute:"plugin_publication_date", value:"2016/05/24");
    
      script_set_attribute(attribute:"plugin_type", value:"remote");
      script_set_attribute(attribute:"cpe", value:"cpe:/a:apple:apple_tv");
      script_end_attributes();
    
      script_category(ACT_GATHER_INFO);
      script_family(english:"Misc.");
    
      script_copyright(english:"This script is Copyright (C) 2016-2019 and is owned by Tenable, Inc. or an Affiliate thereof.");
    
      script_dependencies("appletv_version.nasl");
      script_require_keys("AppleTV/Version", "AppleTV/Model", "AppleTV/URL", "AppleTV/Port");
      script_require_ports("Services/www", 7000);
    
      exit(0);
    }
    
    include("audit.inc");
    include("appletv_func.inc");
    
    url = get_kb_item('AppleTV/URL');
    if (empty_or_null(url)) exit(0, 'Cannot determine Apple TV URL.');
    port = get_kb_item('AppleTV/Port');
    if (empty_or_null(port)) exit(0, 'Cannot determine Apple TV port.');
    
    build = get_kb_item('AppleTV/Version');
    if (empty_or_null(build)) audit(AUDIT_UNKNOWN_DEVICE_VER, 'Apple TV');
    
    model = get_kb_item('AppleTV/Model');
    if (empty_or_null(model)) exit(0, 'Cannot determine Apple TV model.');
    
    fixed_build = "13Y772";
    tvos_ver = '9.2.1';
    
    # determine gen from the model
    gen = APPLETV_MODEL_GEN[model];
    
    appletv_check_version(
      build          : build,
      fix            : fixed_build,
      affected_gen   : 4,
      fix_tvos_ver   : tvos_ver,
      model          : model,
      gen            : gen,
      port           : port,
      url            : url,
      severity       : SECURITY_HOLE
    );