Ubuntu 6.06 LTS / 7.04 / 7.10 / 8.04 LTS : freetype vulnerabilities (USN-643-1)

#%NASL_MIN_LEVEL 70300
#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from Ubuntu Security Notice USN-643-1. The text 
# itself is copyright (C) Canonical, Inc. See 
# <http://www.ubuntu.com/usn/>. Ubuntu(R) is a registered 
# trademark of Canonical, Inc.
#

include('deprecated_nasl_level.inc');
include('compat.inc');

if (description)
{
  script_id(37738);
  script_version("1.13");
  script_set_attribute(attribute:"plugin_modification_date", value:"2021/01/19");

  script_cve_id("CVE-2008-1806", "CVE-2008-1807", "CVE-2008-1808");
  script_xref(name:"USN", value:"643-1");

  script_name(english:"Ubuntu 6.06 LTS / 7.04 / 7.10 / 8.04 LTS : freetype vulnerabilities (USN-643-1)");
  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:
"Multiple flaws were discovered in the PFB and TTF font handling code
in freetype. If a user were tricked into using a specially crafted
font file, a remote attacker could execute arbitrary code with user
privileges or cause the application linked against freetype to crash,
leading to a denial of service.

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/643-1/"
  );
  script_set_attribute(
    attribute:"solution", 
    value:
"Update the affected freetype2-demos, libfreetype6 and / or
libfreetype6-dev packages."
  );
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P");
  script_cwe_id(189);

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:freetype2-demos");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:libfreetype6");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:libfreetype6-dev");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:canonical:ubuntu_linux:6.06:-:lts");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:canonical:ubuntu_linux:7.04");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:canonical:ubuntu_linux:7.10");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:canonical:ubuntu_linux:8.04:-:lts");

  script_set_attribute(attribute:"patch_publication_date", value:"2008/09/11");
  script_set_attribute(attribute:"plugin_publication_date", value:"2009/04/23");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_copyright(english:"Ubuntu Security Notice (C) 2009-2019 Canonical, Inc. / NASL script (C) 2018 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 (! ereg(pattern:"^(6\.06|7\.04|7\.10|8\.04)$", string:release)) audit(AUDIT_OS_NOT, "Ubuntu 6.06 / 7.04 / 7.10 / 8.04", "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:"6.06", pkgname:"freetype2-demos", pkgver:"2.1.10-1ubuntu2.5")) flag++;
if (ubuntu_check(osver:"6.06", pkgname:"libfreetype6", pkgver:"2.1.10-1ubuntu2.5")) flag++;
if (ubuntu_check(osver:"6.06", pkgname:"libfreetype6-dev", pkgver:"2.1.10-1ubuntu2.5")) flag++;
if (ubuntu_check(osver:"7.04", pkgname:"freetype2-demos", pkgver:"2.2.1-5ubuntu1.2")) flag++;
if (ubuntu_check(osver:"7.04", pkgname:"libfreetype6", pkgver:"2.2.1-5ubuntu1.2")) flag++;
if (ubuntu_check(osver:"7.04", pkgname:"libfreetype6-dev", pkgver:"2.2.1-5ubuntu1.2")) flag++;
if (ubuntu_check(osver:"7.10", pkgname:"freetype2-demos", pkgver:"2.3.5-1ubuntu4.7.10.1")) flag++;
if (ubuntu_check(osver:"7.10", pkgname:"libfreetype6", pkgver:"2.3.5-1ubuntu4.7.10.1")) flag++;
if (ubuntu_check(osver:"7.10", pkgname:"libfreetype6-dev", pkgver:"2.3.5-1ubuntu4.7.10.1")) flag++;
if (ubuntu_check(osver:"8.04", pkgname:"freetype2-demos", pkgver:"2.3.5-1ubuntu4.8.04.1")) flag++;
if (ubuntu_check(osver:"8.04", pkgname:"libfreetype6", pkgver:"2.3.5-1ubuntu4.8.04.1")) flag++;
if (ubuntu_check(osver:"8.04", pkgname:"libfreetype6-dev", pkgver:"2.3.5-1ubuntu4.8.04.1")) 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, "freetype2-demos / libfreetype6 / libfreetype6-dev");
}