Vulnerabilities > CVE-2019-8605 - 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

A use after free issue was addressed with improved memory management. This issue is fixed in iOS 12.3, macOS Mojave 10.14.5, tvOS 12.3, watchOS 5.2.1. A malicious application may be able to execute arbitrary code with system privileges.

Vulnerable Configurations

Part Description Count
OS
Apple
407

Common Weakness Enumeration (CWE)

Exploit-Db

idEDB-ID:46892
last seen2019-05-21
modified2019-05-21
published2019-05-21
reporterExploit-DB
sourcehttps://www.exploit-db.com/download/46892
titlemacOS < 10.14.5 / iOS < 12.3 XNU - 'in6_pcbdetach' Stale Pointer Use-After-Free

Nessus

  • NASL familyMacOS X Local Security Checks
    NASL idMACOSX_SECUPD2019-003.NASL
    descriptionThe remote host is running Mac OS X 10.12.6 or Mac OS X 10.13.6 and is missing a security update. It is, therefore, affected by multiple vulnerabilities : - An application may be able to read restricted memory (CVE-2019-8603, CVE-2019-8560) - An application may be able to execute arbitrary code with system privileges (CVE-2019-8635, CVE-2019-8616, CVE-2019-8629, CVE-2018-4456, CVE-2019-8604, CVE-2019-8574, CVE-2019-8569) - An application may be able to execute arbitrary code with kernel privileges (CVE-2019-8590) - Processing a maliciously crafted audio file may lead to arbitrary code execution (CVE-2019-8592) - Processing a maliciously crafted movie file may lead to arbitrary code execution (CVE-2019-8585) - A malicious application may bypass Gatekeeper checks (CVE-2019-8589) - A malicious application may be able to read restricted memory (CVE-2019-8560, CVE-2019-8598) - A user may be unexpectedly logged in to another users account (CVE-2019-8634) - A local user may be able to load unsigned kernel extensions (CVE-2019-8606) - A malicious application may be able to execute arbitrary code with system privileges (CVE-2019-8605) - A local user may be able to cause unexpected system termination or read kernel memory (CVE-2019-8576) - An application may be able to cause unexpected system termination or write kernel memory (CVE-2019-8591) - An application may be able to gain elevated privileges (CVE-2019-8577) - A maliciously crafted SQL query may lead to arbitrary code execution (CVE-2019-8600) - A malicious application may be able to elevate privileges (CVE-2019-8602) - A local user may be able to modify protected parts of the file system (CVE-2019-8568) - Processing maliciously crafted web content may lead to arbitrary code execution (CVE-2019-6237, CVE-2019-8571, CVE-2019-8583, CVE-2019-8584, CVE-2019-8586, CVE-2019-8587, CVE-2019-8594, CVE-2019-8595, CVE-2019-8596, CVE-2019-8597, CVE-2019-8601,CVE-2019-8608, CVE-2019-8609, CVE-2019-8610, CVE-2019-8611, CVE-2019-8615, CVE-2019-8619, CVE-2019-8622, CVE-2019-8623, CVE-2019-8628) - Processing maliciously crafted web content may result in the disclosure of process memory (CVE-2019-8607) Note that Nessus has not tested for this issue but has instead relied only on the operating system
    last seen2020-06-01
    modified2020-06-02
    plugin id125151
    published2019-05-15
    reporterThis script is Copyright (C) 2019 and is owned by Tenable, Inc. or an Affiliate thereof.
    sourcehttps://www.tenable.com/plugins/nessus/125151
    titlemacOS and Mac OS X Multiple Vulnerabilities (Security Update 2019-003)
    code
    #
    # (C) Tenable Network Security, Inc.
    #
    
    include("compat.inc");
    
    if (description)
    {
      script_id(125151);
      script_version("1.7");
      script_cvs_date("Date: 2019/12/13");
    
      script_cve_id(
        "CVE-2018-4456",
        "CVE-2019-6237",
        "CVE-2019-8560",
        "CVE-2019-8568",
        "CVE-2019-8569",
        "CVE-2019-8571",
        "CVE-2019-8574",
        "CVE-2019-8576",
        "CVE-2019-8577",
        "CVE-2019-8583",
        "CVE-2019-8584",
        "CVE-2019-8585",
        "CVE-2019-8586",
        "CVE-2019-8587",
        "CVE-2019-8589",
        "CVE-2019-8590",
        "CVE-2019-8591",
        "CVE-2019-8592",
        "CVE-2019-8594",
        "CVE-2019-8595",
        "CVE-2019-8596",
        "CVE-2019-8597",
        "CVE-2019-8598",
        "CVE-2019-8600",
        "CVE-2019-8601",
        "CVE-2019-8602",
        "CVE-2019-8603",
        "CVE-2019-8604",
        "CVE-2019-8605",
        "CVE-2019-8606",
        "CVE-2019-8607",
        "CVE-2019-8608",
        "CVE-2019-8609",
        "CVE-2019-8610",
        "CVE-2019-8611",
        "CVE-2019-8615",
        "CVE-2019-8616",
        "CVE-2019-8619",
        "CVE-2019-8622",
        "CVE-2019-8623",
        "CVE-2019-8628",
        "CVE-2019-8629",
        "CVE-2019-8634",
        "CVE-2019-8635"
      );
      script_xref(name:"APPLE-SA", value:"HT210119");
      script_xref(name:"APPLE-SA", value:"APPLE-SA-2019-05-09");
    
      script_name(english:"macOS and Mac OS X Multiple Vulnerabilities (Security Update 2019-003)");
      script_summary(english:"Checks the presence of Security Update 2019-003.");
    
      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 Mac OS X 10.12.6 or Mac OS X 10.13.6 and is missing a security update. It is, therefore,
    affected by multiple vulnerabilities :
    
      - An application may be able to read restricted memory (CVE-2019-8603, CVE-2019-8560)
    
      - An application may be able to execute arbitrary code with system privileges (CVE-2019-8635, CVE-2019-8616,
        CVE-2019-8629, CVE-2018-4456, CVE-2019-8604, CVE-2019-8574, CVE-2019-8569)
    
      - An application may be able to execute arbitrary code with kernel privileges (CVE-2019-8590)
    
      - Processing a maliciously crafted audio file may lead to arbitrary code execution (CVE-2019-8592)
    
      - Processing a maliciously crafted movie file may lead to arbitrary code execution (CVE-2019-8585)
    
      - A malicious application may bypass Gatekeeper checks (CVE-2019-8589)
    
      - A malicious application may be able to read restricted memory (CVE-2019-8560, CVE-2019-8598)
    
      - A user may be unexpectedly logged in to another users account (CVE-2019-8634)
    
      - A local user may be able to load unsigned kernel extensions (CVE-2019-8606)
    
      - A malicious application may be able to execute arbitrary code with system privileges (CVE-2019-8605)
    
      - A local user may be able to cause unexpected system termination or read kernel memory (CVE-2019-8576)
    
      - An application may be able to cause unexpected system termination or write kernel memory (CVE-2019-8591)
    
      - An application may be able to gain elevated privileges (CVE-2019-8577)
    
      - A maliciously crafted SQL query may lead to arbitrary code execution (CVE-2019-8600)
    
      - A malicious application may be able to elevate privileges (CVE-2019-8602)
    
      - A local user may be able to modify protected parts of the file system (CVE-2019-8568)
    
      - Processing maliciously crafted web content may lead to arbitrary code execution (CVE-2019-6237, CVE-2019-8571,
        CVE-2019-8583, CVE-2019-8584, CVE-2019-8586, CVE-2019-8587, CVE-2019-8594, CVE-2019-8595, CVE-2019-8596,
        CVE-2019-8597, CVE-2019-8601,CVE-2019-8608, CVE-2019-8609, CVE-2019-8610, CVE-2019-8611, CVE-2019-8615,
        CVE-2019-8619, CVE-2019-8622, CVE-2019-8623, CVE-2019-8628)
    
      - Processing maliciously crafted web content may result in the disclosure of process memory (CVE-2019-8607)
    
    Note that Nessus has not tested for this issue but has instead relied
    only on the operating system's self-reported version number.");
      script_set_attribute(attribute:"see_also", value:"https://support.apple.com/en-us/HT210119");
      script_set_attribute(attribute:"solution", value:"Install Security Update 2019-003 or later for 10.12.x or Security
    Update 2019-003 or later for 10.13.x");
      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-2018-4456");
      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:"2019/04/03");
      script_set_attribute(attribute:"patch_publication_date", value:"2019/05/09");
      script_set_attribute(attribute:"plugin_publication_date", value:"2019/05/15");
    
      script_set_attribute(attribute:"plugin_type", value:"local");
      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 and is owned by Tenable, Inc. or an Affiliate thereof.");
    
      script_dependencies("ssh_get_info.nasl");
      script_require_ports("Host/local_checks_enabled", "Host/MacOSX/Version", "Host/MacOSX/packages/boms");
    
      exit(0);
    }
    
    include("audit.inc");
    include("global_settings.inc");
    include("misc_func.inc");
    
    
    
    # Compare 2 patch numbers to determine if patch requirements are satisfied.
    # Return true if this patch or a later patch is applied
    # Return false otherwise
    function check_patch(year, number)
    {
      local_var p_split = split(patch, sep:"-");
      local_var p_year  = int( p_split[0]);
      local_var p_num   = int( p_split[1]);
    
      if (year >  p_year) return TRUE;
      else if (year <  p_year) return FALSE;
      else if (number >=  p_num) return TRUE;
      else return FALSE;
    }
    
    get_kb_item_or_exit("Host/local_checks_enabled");
    os = get_kb_item_or_exit("Host/MacOSX/Version");
    
    if (!preg(pattern:"Mac OS X 10\.1[2-3]\.", string:os))
      audit(AUDIT_OS_NOT, "Mac OS X 10.12.x / 10.13.x");
    
    patch = "2019-003";
    
    packages = get_kb_item_or_exit("Host/MacOSX/packages/boms", exit_code:1);
    sec_boms_report = pgrep(
      pattern:"^com\.apple\.pkg\.update\.(security\.|os\.SecUpd).*bom$",
      string:packages
    );
    sec_boms = split(sec_boms_report, sep:'\n');
    
    foreach package (sec_boms)
    {
      # Grab patch year and number
      matches = pregmatch(pattern:"[^0-9](20[0-9][0-9])[-.]([0-9]{3})[^0-9]", string:package);
      if (empty_or_null(matches)) continue;
      if (empty_or_null(matches[1]) || empty_or_null(matches[2]))
        continue;
    
      patch_found = check_patch(year:int(matches[1]), number:int(matches[2]));
      if (patch_found) exit(0, "The host has Security Update " + patch + " or later installed and is therefore not affected.");
    }
    
    report =  '\n  Missing security update : ' + patch;
    report += '\n  Installed security BOMs : ';
    if (sec_boms_report) report += str_replace(find:'\n', replace:'\n                            ', string:sec_boms_report);
    else report += 'n/a';
    report += '\n';
    
    security_report_v4(port:0, severity:SECURITY_HOLE, extra:report);
    
  • NASL familyMacOS X Local Security Checks
    NASL idMACOS_10_14_5.NASL
    descriptionThe remote host is running a version of macOS / Mac OS X that is 10.14.x prior to 10.14.5. It is, therefore, affected by multiple vulnerabilities : - An application may be able to read restricted memory (CVE-2019-8603, CVE-2019-8560) - An application may be able to execute arbitrary code with system privileges (CVE-2019-8635, CVE-2019-8616, CVE-2019-8629, CVE-2018-4456, CVE-2019-8604,CVE-2019-8574, CVE-2019-8569) - An application may be able to execute arbitrary code with kernel privileges (CVE-2019-8590) - Processing a maliciously crafted audio file may lead to arbitrary code execution (CVE-2019-8592) - Processing a maliciously crafted movie file may lead to arbitrary code execution (CVE-2019-8585) - A malicious application may bypass Gatekeeper checks (CVE-2019-8589) - A malicious application may be able to read restricted memory (CVE-2019-8560, CVE-2019-8598) - A user may be unexpectedly logged in to another users account (CVE-2019-8634) - A local user may be able to load unsigned kernel extensions (CVE-2019-8606) - A malicious application may be able to execute arbitrary code with system privileges (CVE-2019-8605) - A local user may be able to cause unexpected system termination or read kernel memory (CVE-2019-8576) - An application may be able to cause unexpected system termination or write kernel memory (CVE-2019-8591) - An application may be able to gain elevated privileges (CVE-2019-8577) - A maliciously crafted SQL query may lead to arbitrary code execution (CVE-2019-8600) - A malicious application may be able to elevate privileges (CVE-2019-8602) - A local user may be able to modify protected parts of the file system (CVE-2019-8568) - Processing maliciously crafted web content may lead to arbitrary code execution (CVE-2019-6237, CVE-2019-8571, CVE-2019-8583, CVE-2019-8584, CVE-2019-8586, CVE-2019-8587, CVE-2019-8594, CVE-2019-8595, CVE-2019-8596, CVE-2019-8597, CVE-2019-8601, CVE-2019-8608, CVE-2019-8609, CVE-2019-8610, CVE-2019-8611, CVE-2019-8615, CVE-2019-8619, CVE-2019-8622, CVE-2019-8623, CVE-2019-8628) - Processing maliciously crafted web content may result in the disclosure of process memory (CVE-2019-8607) Note that Nessus has not tested for this issue but has instead relied only on the operating system
    last seen2020-06-01
    modified2020-06-02
    plugin id125150
    published2019-05-15
    reporterThis script is Copyright (C) 2019 and is owned by Tenable, Inc. or an Affiliate thereof.
    sourcehttps://www.tenable.com/plugins/nessus/125150
    titlemacOS 10.14.x < 10.14.5 Multiple Vulnerabilities
  • NASL familyMisc.
    NASL idAPPLETV_12_3.NASL
    descriptionAccording to its banner, the version of Apple TV on the remote device is prior to 12.3. It is therefore affected by multiple vulnerabilities as described in the HT210120 security advisory: - Multiple unspecified command execution vulnerabilities exist that allow an attacker to execute arbitrary commands, sometimes with kernel privileges.(CVE-2019-8593, CVE-2019-8585, CVE-2019-8605, CVE-2019-8600, CVE-2019-8574) - Multiple elevation of privilege vulnerabilities exist due to improper memory handling. An application can exploit this to gain elevated privileges. (CVE-2019-6237 CVE-2019-8571, CVE-2019-8583, CVE-2019-8584, CVE-2019-8586, CVE-2019-8587, CVE-2019-8594, CVE-2019-8595, CVE-2019-8596, CVE-2019-8597, CVE-2019-8601, CVE-2019-8608) - An un disclosed elevation of privilege vulnerability exist due to improper memory handling. An application can exploit this to gain elevated privileges. (CVE-2019-8602)
    last seen2020-06-01
    modified2020-06-02
    plugin id125148
    published2019-05-15
    reporterThis script is Copyright (C) 2019-2020 and is owned by Tenable, Inc. or an Affiliate thereof.
    sourcehttps://www.tenable.com/plugins/nessus/125148
    titleApple TV < 12.3 Multiple Vulnerabilities
  • NASL familyMisc.
    NASL idAPPLETV_12_4_1.NASL
    descriptionAccording to its banner, the version of Apple TV on the remote device is prior to 12.4.1. It is therefore affected by a use-after-free vulnerability as described in the HT210550
    last seen2020-06-01
    modified2020-06-02
    plugin id131702
    published2019-12-04
    reporterThis script is Copyright (C) 2019 and is owned by Tenable, Inc. or an Affiliate thereof.
    sourcehttps://www.tenable.com/plugins/nessus/131702
    titleApple TV < 12.4.1 A Use-After-Free Vulnerability

Packetstorm

data sourcehttps://packetstormsecurity.com/files/download/152993/GS20190522003815.txt
idPACKETSTORM:152993
last seen2019-05-24
published2019-05-21
reporterGoogle Security Research
sourcehttps://packetstormsecurity.com/files/152993/XNU-Stale-Pointer-Use-After-Free.html
titleXNU Stale Pointer Use-After-Free

The Hacker News