Google Chrome < 48.0.2564.116 Blink Same-Origin Policy Bypass (Mac OS X)

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

include("compat.inc");

if (description)
{
  script_id(88957);
  script_version("1.8");
  script_cvs_date("Date: 2019/11/20");

  script_cve_id("CVE-2016-1629");

  script_name(english:"Google Chrome < 48.0.2564.116 Blink Same-Origin Policy Bypass (Mac OS X)");
  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
a security bypass vulnerability.");
  script_set_attribute(attribute:"description", value:
"The version of Google Chrome installed on the remote Mac OS X host is
prior to 48.0.2564.116. It is, therefore, affected by an unspecified
flaw related to the Blink rendering engine. An attacker can exploit
this to bypass same-origin policy restrictions and escape the sandbox,
allowing the attacker to execute arbitrary code with elevated
privileges.");
  # http://googlechromereleases.blogspot.com/2016/02/stable-channel-update_18.html
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?63641ede");
  script_set_attribute(attribute:"see_also", value:"http://www.chromium.org/blink");
  script_set_attribute(attribute:"solution", value:
"Upgrade to Google Chrome version 48.0.2564.116 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:U/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:U/RL:O/RC:C");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2016-1629");

  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:"2016/02/18");
  script_set_attribute(attribute:"patch_publication_date", value:"2016/02/18");
  script_set_attribute(attribute:"plugin_publication_date", value:"2016/02/25");

  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:'48.0.2564.116', severity:SECURITY_HOLE);