Vulnerabilities > CVE-2016-4227 - Use After Free vulnerability in Adobe Flash Player and Flash Player Desktop Runtime

#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from Gentoo Linux Security Advisory GLSA 201607-03.
#
# The advisory text is Copyright (C) 2001-2016 Gentoo Foundation, Inc.
# and licensed under the Creative Commons - Attribution / Share Alike 
# license. See http://creativecommons.org/licenses/by-sa/3.0/
#

include("compat.inc");

if (description)
{
  script_id(92042);
  script_version("2.7");
  script_cvs_date("Date: 2019/04/11 17:23:06");

  script_cve_id("CVE-2016-4217", "CVE-2016-4218", "CVE-2016-4219", "CVE-2016-4220", "CVE-2016-4221", "CVE-2016-4222", "CVE-2016-4223", "CVE-2016-4224", "CVE-2016-4225", "CVE-2016-4226", "CVE-2016-4227", "CVE-2016-4228", "CVE-2016-4229", "CVE-2016-4230", "CVE-2016-4231", "CVE-2016-4232", "CVE-2016-4233", "CVE-2016-4234", "CVE-2016-4235", "CVE-2016-4236", "CVE-2016-4237", "CVE-2016-4238", "CVE-2016-4239", "CVE-2016-4240", "CVE-2016-4241", "CVE-2016-4242", "CVE-2016-4243", "CVE-2016-4244", "CVE-2016-4245", "CVE-2016-4246", "CVE-2016-4247", "CVE-2016-4248", "CVE-2016-4249");
  script_xref(name:"GLSA", value:"201607-03");

  script_name(english:"GLSA-201607-03 : Adobe Flash Player: Multiple vulnerabilities");
  script_summary(english:"Checks for updated package(s) in /var/db/pkg");

  script_set_attribute(
    attribute:"synopsis", 
    value:
"The remote Gentoo host is missing one or more security-related
patches."
  );
  script_set_attribute(
    attribute:"description", 
    value:
"The remote host is affected by the vulnerability described in GLSA-201607-03
(Adobe Flash Player: Multiple vulnerabilities)

    Multiple vulnerabilities have been discovered in Adobe Flash Player.
      Please review the CVE identifiers referenced below for details.
  
Impact :

    A remote attacker could possibly execute arbitrary code with the
      privileges of the process, cause a Denial of Service condition, obtain
      sensitive information, or bypass security restrictions.
  
Workaround :

    There is no known workaround at this time."
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://security.gentoo.org/glsa/201607-03"
  );
  script_set_attribute(
    attribute:"solution", 
    value:
"All Adobe Flash Player users should upgrade to the latest version:
      # emerge --sync
      # emerge --ask --oneshot --verbose 'www-plugins/adobe-flash-11.2.202.632'"
  );
  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:"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:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:gentoo:linux:adobe-flash");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:gentoo:linux");

  script_set_attribute(attribute:"patch_publication_date", value:"2016/07/13");
  script_set_attribute(attribute:"plugin_publication_date", value:"2016/07/14");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_copyright(english:"This script is Copyright (C) 2016-2019 and is owned by Tenable, Inc. or an Affiliate thereof.");
  script_family(english:"Gentoo Local Security Checks");

  script_dependencies("ssh_get_info.nasl");
  script_require_keys("Host/local_checks_enabled", "Host/Gentoo/release", "Host/Gentoo/qpkg-list");

  exit(0);
}


include("audit.inc");
include("global_settings.inc");
include("qpkg.inc");

if (!get_kb_item("Host/local_checks_enabled")) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
if (!get_kb_item("Host/Gentoo/release")) audit(AUDIT_OS_NOT, "Gentoo");
if (!get_kb_item("Host/Gentoo/qpkg-list")) audit(AUDIT_PACKAGE_LIST_MISSING);


flag = 0;

if (qpkg_check(package:"www-plugins/adobe-flash", unaffected:make_list("ge 11.2.202.632"), vulnerable:make_list("lt 11.2.202.632"))) flag++;

if (flag)
{
  if (report_verbosity > 0) security_hole(port:0, extra:qpkg_report_get());
  else security_hole(0);
  exit(0);
}
else
{
  tested = qpkg_tests_get();
  if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);
  else audit(AUDIT_PACKAGE_NOT_INSTALLED, "Adobe Flash Player");
}