Vulnerabilities > CVE-2016-4657 - Out-of-bounds Write vulnerability in Apple Iphone OS

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

include("compat.inc");

if (description)
{
  script_id(93593);
  script_version("1.10");
  script_cvs_date("Date: 2019/11/14");

  script_cve_id("CVE-2016-4657");
  script_bugtraq_id(92653);
  script_xref(name:"APPLE-SA", value:"APPLE-SA-2016-09-01-1");

  script_name(english:"Mac OS X : Apple Safari < 9.1.3 WebKit Memory Corruption RCE");
  script_summary(english:"Checks the Safari version.");

  script_set_attribute(attribute:"synopsis", value:
"A web browser installed on the remote host is affected by a remote
code execution vulnerability.");
  script_set_attribute(attribute:"description", value:
"The version of Apple Safari installed on the remote Mac OS X host is
prior to 9.1.3. It is, therefore, affected by a remote code execution
vulnerability in WebKit due to a memory corruption issue. An
unauthenticated, remote attacker can exploit this, by convincing a
user to visit a malicious website, to cause a denial of service
condition or execution of arbitrary code.");
  script_set_attribute(attribute:"see_also", value:"https://support.apple.com/en-us/HT207131");
  # http://lists.apple.com/archives/security-announce/2016/Sep/msg00000.html
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?dade65f4");
  script_set_attribute(attribute:"solution", value:
"Upgrade to Apple Safari version 9.1.3 or later.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:M/Au:N/C:P/I:P/A:P");
  script_set_cvss_temporal_vector("CVSS2#E:F/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:F/RL:O/RC:C");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2016-4657");

  script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"true");
  script_set_attribute(attribute:"metasploit_name", value:'WebKit not_number defineProperties UAF');
  script_set_attribute(attribute:"exploit_framework_metasploit", value:"true");

  script_set_attribute(attribute:"vuln_publication_date", value:"2016/08/25");
  script_set_attribute(attribute:"patch_publication_date", value:"2016/09/01");
  script_set_attribute(attribute:"plugin_publication_date", value:"2016/09/19");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"cpe:/a:apple:safari");
  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_Safari31.nasl");
  script_require_keys("Host/local_checks_enabled", "Host/MacOSX/Version", "MacOSX/Safari/Installed");

  exit(0);
}

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

if (!get_kb_item("Host/local_checks_enabled")) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
os = get_kb_item("Host/MacOSX/Version");
if (!os) audit(AUDIT_OS_NOT, "Mac OS X");

if (!ereg(pattern:"Mac OS X 10\.(9|10|11)([^0-9]|$)", string:os)) audit(AUDIT_OS_NOT, "Mac OS X 10.9 / 10.10 / 10.11");

installed = get_kb_item_or_exit("MacOSX/Safari/Installed", exit_code:0);
path    = get_kb_item_or_exit("MacOSX/Safari/Path", exit_code:1);
version = get_kb_item_or_exit("MacOSX/Safari/Version", exit_code:1);

fixed_version = "9.1.3";

if (ver_compare(ver:version, fix:fixed_version, strict:FALSE) == -1)
{
  report = report_items_str(
    report_items:make_array(
      "Path", path,
      "Installed version", version,
      "Fixed version", fixed_version
    ),
    ordered_fields:make_list("Path", "Installed version", "Fixed version")
  );
  security_report_v4(port:0, severity:SECURITY_WARNING, extra:report);
}
else audit(AUDIT_INST_PATH_NOT_VULN, "Safari", version, path);

#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from Ubuntu Security Notice USN-3166-1. The text 
# itself is copyright (C) Canonical, Inc. See 
# <http://www.ubuntu.com/usn/>. Ubuntu(R) is a registered 
# trademark of Canonical, Inc.
#

include("compat.inc");

if (description)
{
  script_id(96406);
  script_version("3.11");
  script_set_attribute(attribute:"plugin_modification_date", value:"2020/07/14");

  script_cve_id("CVE-2016-4613", "CVE-2016-4657", "CVE-2016-4666", "CVE-2016-4707", "CVE-2016-4728", "CVE-2016-4733", "CVE-2016-4734", "CVE-2016-4735", "CVE-2016-4759", "CVE-2016-4760", "CVE-2016-4761", "CVE-2016-4762", "CVE-2016-4764", "CVE-2016-4765", "CVE-2016-4767", "CVE-2016-4768", "CVE-2016-4769", "CVE-2016-7578");
  script_xref(name:"USN", value:"3166-1");

  script_name(english:"Ubuntu 16.04 LTS : webkit2gtk vulnerabilities (USN-3166-1)");
  script_summary(english:"Checks dpkg output for updated packages.");

  script_set_attribute(
    attribute:"synopsis",
    value:
"The remote Ubuntu host is missing one or more security-related
patches."
  );
  script_set_attribute(
    attribute:"description",
    value:
"A large number of security issues were discovered in the WebKitGTK+
Web and JavaScript engines. If a user were tricked into viewing a
malicious website, a remote attacker could exploit a variety of issues
related to web browser security, including cross-site scripting
attacks, denial of service attacks, and arbitrary code execution.

Note that Tenable Network Security has extracted the preceding
description block directly from the Ubuntu security advisory. Tenable
has attempted to automatically clean and format it as much as possible
without introducing additional issues."
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://usn.ubuntu.com/3166-1/"
  );
  script_set_attribute(
    attribute:"solution",
    value:
"Update the affected libjavascriptcoregtk-4.0-18 and / or
libwebkit2gtk-4.0-37 packages."
  );
  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:F/RL:OF/RC:C");
  script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H");
  script_set_cvss3_temporal_vector("CVSS:3.0/E:F/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:"metasploit_name", value:'WebKit not_number defineProperties UAF');
  script_set_attribute(attribute:"exploit_framework_metasploit", value:"true");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:libjavascriptcoregtk-4.0-18");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:libwebkit2gtk-4.0-37");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:canonical:ubuntu_linux:16.04");

  script_set_attribute(attribute:"vuln_publication_date", value:"2016/08/25");
  script_set_attribute(attribute:"patch_publication_date", value:"2017/01/10");
  script_set_attribute(attribute:"plugin_publication_date", value:"2017/01/11");
  script_set_attribute(attribute:"generated_plugin", value:"current");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_copyright(english:"Ubuntu Security Notice (C) 2017-2020 Canonical, Inc. / NASL script (C) 2017-2020 and is owned by Tenable, Inc. or an Affiliate thereof.");
  script_family(english:"Ubuntu Local Security Checks");

  script_dependencies("ssh_get_info.nasl");
  script_require_keys("Host/cpu", "Host/Ubuntu", "Host/Ubuntu/release", "Host/Debian/dpkg-l");

  exit(0);
}


include("audit.inc");
include("ubuntu.inc");
include("misc_func.inc");

if ( ! get_kb_item("Host/local_checks_enabled") ) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
release = get_kb_item("Host/Ubuntu/release");
if ( isnull(release) ) audit(AUDIT_OS_NOT, "Ubuntu");
release = chomp(release);
if (! preg(pattern:"^(16\.04)$", string:release)) audit(AUDIT_OS_NOT, "Ubuntu 16.04", "Ubuntu " + release);
if ( ! get_kb_item("Host/Debian/dpkg-l") ) audit(AUDIT_PACKAGE_LIST_MISSING);

cpu = get_kb_item("Host/cpu");
if (isnull(cpu)) audit(AUDIT_UNKNOWN_ARCH);
if ("x86_64" >!< cpu && cpu !~ "^i[3-6]86$") audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, "Ubuntu", cpu);

flag = 0;

if (ubuntu_check(osver:"16.04", pkgname:"libjavascriptcoregtk-4.0-18", pkgver:"2.14.2-0ubuntu0.16.04.1")) flag++;
if (ubuntu_check(osver:"16.04", pkgname:"libwebkit2gtk-4.0-37", pkgver:"2.14.2-0ubuntu0.16.04.1")) flag++;

if (flag)
{
  security_report_v4(
    port       : 0,
    severity   : SECURITY_HOLE,
    extra      : ubuntu_report_get()
  );
  exit(0);
}
else
{
  tested = ubuntu_pkg_tests_get();
  if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);
  else audit(AUDIT_PACKAGE_NOT_INSTALLED, "libjavascriptcoregtk-4.0-18 / libwebkit2gtk-4.0-37");
}