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Ubuntu 10.04 LTS / 12.04 LTS / 12.10 / 13.10 / 14.04 LTS : libxfont vulnerabilities (USN-2211-1)

2014-05-15T00:00:00
ID UBUNTU_USN-2211-1.NASL
Type nessus
Reporter Tenable
Modified 2018-08-03T00:00:00

Description

Ilja van Sprundel discovered that libXfont incorrectly handled font metadata file parsing. A local attacker could use this issue to cause libXfont to crash, or possibly execute arbitrary code in order to gain privileges. (CVE-2014-0209)

Ilja van Sprundel discovered that libXfont incorrectly handled X Font Server replies. A malicious font server could return specially crafted data that could cause libXfont to crash, or possibly execute arbitrary code. This issue only affected Ubuntu 10.04 LTS, Ubuntu 12.04 LTS, Ubuntu 12.10 and Ubuntu 13.10. (CVE-2014-0210, CVE-2014-0211).

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.

                                        
                                            #
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from Ubuntu Security Notice USN-2211-1. 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(74022);
  script_version("1.8");
  script_cvs_date("Date: 2018/08/03 12:21:24");

  script_cve_id("CVE-2014-0209", "CVE-2014-0210", "CVE-2014-0211");
  script_bugtraq_id(67382);
  script_xref(name:"USN", value:"2211-1");

  script_name(english:"Ubuntu 10.04 LTS / 12.04 LTS / 12.10 / 13.10 / 14.04 LTS : libxfont vulnerabilities (USN-2211-1)");
  script_summary(english:"Checks dpkg output for updated package.");

  script_set_attribute(
    attribute:"synopsis", 
    value:"The remote Ubuntu host is missing a security-related patch."
  );
  script_set_attribute(
    attribute:"description", 
    value:
"Ilja van Sprundel discovered that libXfont incorrectly handled font
metadata file parsing. A local attacker could use this issue to cause
libXfont to crash, or possibly execute arbitrary code in order to gain
privileges. (CVE-2014-0209)

Ilja van Sprundel discovered that libXfont incorrectly handled X Font
Server replies. A malicious font server could return specially crafted
data that could cause libXfont to crash, or possibly execute arbitrary
code. This issue only affected Ubuntu 10.04 LTS, Ubuntu 12.04 LTS,
Ubuntu 12.10 and Ubuntu 13.10. (CVE-2014-0210, CVE-2014-0211).

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:"solution", 
    value:"Update the affected libxfont1 package."
  );
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P");
  script_set_cvss_temporal_vector("CVSS2#E:U/RL:OF/RC:C");
  script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"false");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:libxfont1");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:canonical:ubuntu_linux:10.04:-:lts");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:canonical:ubuntu_linux:12.04:-:lts");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:canonical:ubuntu_linux:12.10");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:canonical:ubuntu_linux:13.10");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:canonical:ubuntu_linux:14.04");

  script_set_attribute(attribute:"patch_publication_date", value:"2014/05/14");
  script_set_attribute(attribute:"plugin_publication_date", value:"2014/05/15");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_copyright(english:"Ubuntu Security Notice (C) 2014-2018 Canonical, Inc. / NASL script (C) 2014-2016 Tenable Network Security, Inc.");
  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 (! ereg(pattern:"^(10\.04|12\.04|12\.10|13\.10|14\.04)$", string:release)) audit(AUDIT_OS_NOT, "Ubuntu 10.04 / 12.04 / 12.10 / 13.10 / 14.04", "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:"10.04", pkgname:"libxfont1", pkgver:"1:1.4.1-1ubuntu0.3")) flag++;
if (ubuntu_check(osver:"12.04", pkgname:"libxfont1", pkgver:"1:1.4.4-1ubuntu0.2")) flag++;
if (ubuntu_check(osver:"12.10", pkgname:"libxfont1", pkgver:"1:1.4.5-2ubuntu0.12.10.2")) flag++;
if (ubuntu_check(osver:"13.10", pkgname:"libxfont1", pkgver:"1:1.4.6-1ubuntu0.2")) flag++;
if (ubuntu_check(osver:"14.04", pkgname:"libxfont1", pkgver:"1:1.4.7-1ubuntu0.1")) 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, "libxfont1");
}
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