Google Chrome < 49.0.2623.87 Multiple RCE

#
# (C) Tenable Network Security, Inc.
#

include("compat.inc");

if (description)
{
  script_id(89787);
  script_version("1.9");
  script_cvs_date("Date: 2019/11/20");

  script_cve_id("CVE-2016-1643", "CVE-2016-1644", "CVE-2016-1645");

  script_name(english:"Google Chrome < 49.0.2623.87 Multiple RCE");
  script_summary(english:"Checks the version number of Google Chrome.");

  script_set_attribute(attribute:"synopsis", value:
"The remote Mac OS X host contains a web browser that is affected by
multiple vulnerabilities.");
  script_set_attribute(attribute:"description", value:
"The version of Google Chrome installed on the remote Mac OS X host is
prior to 49.0.2623.87. It is, therefore, affected by multiple
vulnerabilities :

  - A type confusion error exists in the Blink rendering
    engine that allows a remote attacker, via a malicious
    website, to execute arbitrary code. (CVE-2016-1643)

  - A use-after-free error exists in the Blink rendering
    engine that allows a remote attacker, via a malicious
    website, to deference already freed memory, resulting
    in the execution of arbitrary code. (CVE-2016-1644)

  - An out-of-bounds write error exists in PDFium, the PDF
    rendering library, that allows a remote attacker to
    manipulate the system memory, resulting the execution
    of arbitrary code. (CVE-2016-1645)");
  # http://googlechromereleases.blogspot.com/2016/03/stable-channel-update_8.html
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?26e58257");
  script_set_attribute(attribute:"solution", value:
"Upgrade to Google Chrome version 49.0.2623.87 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:U/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:U/RL:O/RC:C");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2016-1645");

  script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"false");

  script_set_attribute(attribute:"vuln_publication_date", value:"2016/02/23");
  script_set_attribute(attribute:"patch_publication_date", value:"2016/03/08");
  script_set_attribute(attribute:"plugin_publication_date", value:"2016/03/09");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"cpe:/a:google:chrome");
  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("macosx_google_chrome_installed.nbin");
  script_require_keys("MacOSX/Google Chrome/Installed");

  exit(0);
}

include("google_chrome_version.inc");

get_kb_item_or_exit("MacOSX/Google Chrome/Installed");

google_chrome_check_version(fix:'49.0.2623.87', severity:SECURITY_HOLE);