Vulnerabilities > CVE-2019-8220 - Use After Free vulnerability in Adobe Acrobat DC

#
# (C) Tenable Network Security, Inc.
#
include('compat.inc');

if (description)
{
  script_id(129976);
  script_version("1.5");
  script_cvs_date("Date: 2019/12/13");

  script_cve_id(
    "CVE-2019-8064",
    "CVE-2019-8160",
    "CVE-2019-8161",
    "CVE-2019-8162",
    "CVE-2019-8163",
    "CVE-2019-8164",
    "CVE-2019-8165",
    "CVE-2019-8166",
    "CVE-2019-8167",
    "CVE-2019-8168",
    "CVE-2019-8169",
    "CVE-2019-8170",
    "CVE-2019-8171",
    "CVE-2019-8172",
    "CVE-2019-8173",
    "CVE-2019-8174",
    "CVE-2019-8175",
    "CVE-2019-8176",
    "CVE-2019-8177",
    "CVE-2019-8178",
    "CVE-2019-8179",
    "CVE-2019-8180",
    "CVE-2019-8181",
    "CVE-2019-8182",
    "CVE-2019-8183",
    "CVE-2019-8184",
    "CVE-2019-8185",
    "CVE-2019-8186",
    "CVE-2019-8187",
    "CVE-2019-8188",
    "CVE-2019-8189",
    "CVE-2019-8190",
    "CVE-2019-8191",
    "CVE-2019-8192",
    "CVE-2019-8193",
    "CVE-2019-8194",
    "CVE-2019-8195",
    "CVE-2019-8196",
    "CVE-2019-8197",
    "CVE-2019-8198",
    "CVE-2019-8199",
    "CVE-2019-8200",
    "CVE-2019-8201",
    "CVE-2019-8202",
    "CVE-2019-8203",
    "CVE-2019-8204",
    "CVE-2019-8205",
    "CVE-2019-8206",
    "CVE-2019-8207",
    "CVE-2019-8208",
    "CVE-2019-8209",
    "CVE-2019-8210",
    "CVE-2019-8211",
    "CVE-2019-8212",
    "CVE-2019-8213",
    "CVE-2019-8214",
    "CVE-2019-8215",
    "CVE-2019-8216",
    "CVE-2019-8217",
    "CVE-2019-8218",
    "CVE-2019-8219",
    "CVE-2019-8220",
    "CVE-2019-8221",
    "CVE-2019-8222",
    "CVE-2019-8223",
    "CVE-2019-8224",
    "CVE-2019-8225",
    "CVE-2019-8226"
  );

  script_name(english:"Adobe Reader <= 2015.006.30503 / 2017.011.30148 / 2019.012.20040 Multiple Vulnerabilities (APSB19-49) (macOS)");
  script_summary(english:"Checks the version of Adobe Reader.");

  script_set_attribute(attribute:"synopsis", value:
"The version of Adobe Reader installed on the remote macOS host is affected by multiple vulnerabilities.");
  script_set_attribute(attribute:"description", value:
"The version of Adobe Reader installed on the remote macOS host is a version prior or equal to 2015.006.30503,
2017.011.30148, or 2019.012.20040. It is, therefore, affected by multiple vulnerabilities.
  
  - Out-of-Bounds Read potentially leading to Information Disclosure 
  (CVE-2019-8064, CVE-2019-8163, CVE-2019-8164, CVE-2019-8168, CVE-2019-8172, CVE-2019-8173, CVE-2019-8182, 
  CVE-2019-8184, CVE-2019-8185, CVE-2019-8189, CVE-2019-8190, CVE-2019-8193, CVE-2019-8194, CVE-2019-8198, 
  CVE-2019-8201, CVE-2019-8202, CVE-2019-8204, CVE-2019-8207, CVE-2019-8216, CVE-2019-8218, CVE-2019-8222)

  - Out-of-Bounds Write potentially leading to Arbitrary Code Execution 
  (CVE-2019-8165, CVE-2019-8171, CVE-2019-8186, CVE-2019-8191, CVE-2019-8199, CVE-2019-8206)

  - Use After Free potentially leading to Arbitrary Code Execution 
  (CVE-2019-8175, CVE-2019-8176, CVE-2019-8177, CVE-2019-8178, CVE-2019-8179, CVE-2019-8180, CVE-2019-8181, 
  CVE-2019-8187, CVE-2019-8188, CVE-2019-8192, CVE-2019-8203, CVE-2019-8208, CVE-2019-8209, CVE-2019-8210, 
  CVE-2019-8211, CVE-2019-8212, CVE-2019-8213, CVE-2019-8214, CVE-2019-8215, CVE-2019-8217, CVE-2019-8219, 
  CVE-2019-8220, CVE-2019-8221, CVE-2019-8223, CVE-2019-8224, CVE-2019-8225)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version 
number.");
  # https://helpx.adobe.com/security/products/acrobat/apsb19-49.html
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?20b7a288");
  script_set_attribute(attribute:"solution", value:
"Upgrade to Adobe Reader version 2015.006.30504 or 2017.011.30150 
  or 2019.021.20047 or later.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/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:N/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-2019-8171");

  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:"2019/10/15");
  script_set_attribute(attribute:"patch_publication_date", value:"2019/10/15");
  script_set_attribute(attribute:"plugin_publication_date", value:"2019/10/16");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"cpe:/a:adobe:acrobat_reader");
  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("macosx_adobe_reader_installed.nasl");
  script_require_keys("Host/local_checks_enabled", "Host/MacOSX/Version", "installed_sw/Adobe Reader");

  exit(0);
}

include('vcf.inc');
include('vcf_extras.inc');

get_kb_item_or_exit('Host/local_checks_enabled');
os = get_kb_item('Host/MacOSX/Version');
if (empty_or_null(os)) audit(AUDIT_OS_NOT, 'Mac OS X');

app_info = vcf::get_app_info(app:'Adobe Reader');

# vcf::adobe_reader::check_version_and_report will
# properly separate tracks when checking constraints.
# x.y.30zzz = DC Classic
# x.y.20zzz = DC Continuous
constraints = [
  { 'min_version' : '15.6', 'max_version' : '15.006.30503', 'fixed_version' : '15.006.30504' },
  { 'min_version' : '17.8', 'max_version' : '17.011.30148', 'fixed_version' : '17.011.30150' },
  { 'min_version' : '15.7', 'max_version' : '19.012.20040', 'fixed_version' : '19.021.20047' }
];

vcf::adobe_reader::check_version_and_report(
  app_info:app_info,
  constraints:constraints,
  severity:SECURITY_HOLE,
  max_segs:3
);