Ubuntu 14.04 LTS / 16.04 LTS : GDK-PixBuf vulnerabilities (USN-3085-1)

#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from Ubuntu Security Notice USN-3085-1. 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(93648);
  script_version("2.10");
  script_set_attribute(attribute:"plugin_modification_date", value:"2024/08/27");

  script_cve_id("CVE-2015-7552", "CVE-2015-8875", "CVE-2016-6352");
  script_xref(name:"USN", value:"3085-1");

  script_name(english:"Ubuntu 14.04 LTS / 16.04 LTS : GDK-PixBuf vulnerabilities (USN-3085-1)");

  script_set_attribute(attribute:"synopsis", value:
"The remote Ubuntu host is missing one or more security updates.");
  script_set_attribute(attribute:"description", value:
"The remote Ubuntu 14.04 LTS / 16.04 LTS host has packages installed that are affected by multiple vulnerabilities as
referenced in the USN-3085-1 advisory.

    It was discovered that the GDK-PixBuf library did not properly handle specially crafted bmp images,
    leading to a heap-based buffer overflow. If a user or automated system were tricked into opening a
    specially crafted bmp file, a remote attacker could use this flaw to cause GDK-PixBuf to crash, resulting
    in a denial of service, or possibly execute arbitrary code. This issue only affected Ubuntu 12.04 LTS and
    Ubuntu 14.04 LTS. (CVE-2015-7552)

    It was discovered that the GDK-PixBuf library contained an integer overflow when handling certain images.
    If a user or automated system were tricked into opening a crafted image file, a remote attacker could use
    this flaw to cause GDK-PixBuf to crash, resulting in a denial of service, or possibly execute arbitrary
    code. This issue only affected Ubuntu 12.04 LTS and Ubuntu 14.04 LTS. (CVE-2015-8875)

    Franco Costantini discovered that the GDK-PixBuf library contained an

    out-of-bounds write error when parsing an ico file. If a user or automated system were tricked into
    opening a crafted ico file, a remote attacker could use this flaw to cause GDK-PixBuf to crash, resulting
    in a denial of service. This issue only affected Ubuntu 14.04 LTS and Ubuntu 16.04 LTS. (CVE-2016-6352)

Tenable has extracted the preceding description block directly from the Ubuntu security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version
number.");
  script_set_attribute(attribute:"see_also", value:"https://ubuntu.com/security/notices/USN-3085-1");
  script_set_attribute(attribute:"solution", value:
"Update the affected 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:POC/RL:OF/RC:C");
  script_set_cvss3_base_vector("CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H");
  script_set_cvss3_temporal_vector("CVSS:3.0/E:P/RL:O/RC:C");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2015-7552");
  script_set_attribute(attribute:"cvss3_score_source", value:"CVE-2015-8875");

  script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"true");

  script_set_attribute(attribute:"vuln_publication_date", value:"2016/04/18");
  script_set_attribute(attribute:"patch_publication_date", value:"2016/09/21");
  script_set_attribute(attribute:"plugin_publication_date", value:"2016/09/22");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:libgdk-pixbuf2.0-0");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:libgdk-pixbuf2.0-0-udeb");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:libgdk-pixbuf2.0-common");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:libgdk-pixbuf2.0-dev");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:canonical:ubuntu_linux:14.04:-:lts");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:canonical:ubuntu_linux:16.04:-:lts");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:gir1.2-gdkpixbuf-2.0");
  script_set_attribute(attribute:"generated_plugin", value:"current");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_family(english:"Ubuntu Local Security Checks");

  script_copyright(english:"Ubuntu Security Notice (C) 2016-2024 Canonical, Inc. / NASL script (C) 2016-2024 and is owned by Tenable, Inc. or an Affiliate thereof.");

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

  exit(0);
}

include('debian_package.inc');

if ( ! get_kb_item('Host/local_checks_enabled') ) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
var os_release = get_kb_item('Host/Ubuntu/release');
if ( isnull(os_release) ) audit(AUDIT_OS_NOT, 'Ubuntu');
os_release = chomp(os_release);
if (! ('14.04' >< os_release || '16.04' >< os_release)) audit(AUDIT_OS_NOT, 'Ubuntu 14.04 / 16.04', 'Ubuntu ' + os_release);
if ( ! get_kb_item('Host/Debian/dpkg-l') ) audit(AUDIT_PACKAGE_LIST_MISSING);

var cpu = get_kb_item('Host/cpu');
if (isnull(cpu)) audit(AUDIT_UNKNOWN_ARCH);
if ('x86_64' >!< cpu && cpu !~ "^i[3-6]86$" && 's390' >!< cpu && 'aarch64' >!< cpu) audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, 'Ubuntu', cpu);

var pkgs = [
    {'osver': '14.04', 'pkgname': 'gir1.2-gdkpixbuf-2.0', 'pkgver': '2.30.7-0ubuntu1.6'},
    {'osver': '14.04', 'pkgname': 'libgdk-pixbuf2.0-0', 'pkgver': '2.30.7-0ubuntu1.6'},
    {'osver': '14.04', 'pkgname': 'libgdk-pixbuf2.0-0-udeb', 'pkgver': '2.30.7-0ubuntu1.6'},
    {'osver': '14.04', 'pkgname': 'libgdk-pixbuf2.0-common', 'pkgver': '2.30.7-0ubuntu1.6'},
    {'osver': '14.04', 'pkgname': 'libgdk-pixbuf2.0-dev', 'pkgver': '2.30.7-0ubuntu1.6'},
    {'osver': '16.04', 'pkgname': 'gir1.2-gdkpixbuf-2.0', 'pkgver': '2.32.2-1ubuntu1.2'},
    {'osver': '16.04', 'pkgname': 'libgdk-pixbuf2.0-0', 'pkgver': '2.32.2-1ubuntu1.2'},
    {'osver': '16.04', 'pkgname': 'libgdk-pixbuf2.0-0-udeb', 'pkgver': '2.32.2-1ubuntu1.2'},
    {'osver': '16.04', 'pkgname': 'libgdk-pixbuf2.0-common', 'pkgver': '2.32.2-1ubuntu1.2'},
    {'osver': '16.04', 'pkgname': 'libgdk-pixbuf2.0-dev', 'pkgver': '2.32.2-1ubuntu1.2'}
];

var flag = 0;
foreach var package_array ( pkgs ) {
  var osver = NULL;
  var pkgname = NULL;
  var pkgver = NULL;
  if (!empty_or_null(package_array['osver'])) osver = package_array['osver'];
  if (!empty_or_null(package_array['pkgname'])) pkgname = package_array['pkgname'];
  if (!empty_or_null(package_array['pkgver'])) pkgver = package_array['pkgver'];
  if (osver && pkgname && pkgver) {
    if (ubuntu_check(osver:osver, pkgname:pkgname, pkgver:pkgver)) flag++;
  }
}

if (flag)
{
  var extra = '';
  extra += ubuntu_report_get();
  security_report_v4(
    port       : 0,
    severity   : SECURITY_HOLE,
    extra      : extra
  );
  exit(0);
}
else
{
  var tested = ubuntu_pkg_tests_get();
  if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);
  else audit(AUDIT_PACKAGE_NOT_INSTALLED, 'gir1.2-gdkpixbuf-2.0 / libgdk-pixbuf2.0-0 / libgdk-pixbuf2.0-0-udeb / etc');
}