Ubuntu 10.04 LTS / 10.10 / 11.04 / 11.10 : libmodplug vulnerabilities (USN-1255-1)

#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from Ubuntu Security Notice USN-1255-1. 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(56767);
  script_version("1.8");
  script_cvs_date("Date: 2019/09/19 12:54:27");

  script_cve_id("CVE-2011-2911", "CVE-2011-2912", "CVE-2011-2913", "CVE-2011-2914", "CVE-2011-2915");
  script_bugtraq_id(48979);
  script_xref(name:"USN", value:"1255-1");

  script_name(english:"Ubuntu 10.04 LTS / 10.10 / 11.04 / 11.10 : libmodplug vulnerabilities (USN-1255-1)");
  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:
"Hossein Lotfi discovered that libmodplug did not correctly handle
certain malformed media files. If a user or automated system were
tricked into opening a crafted media file, an attacker could cause a
denial of service or possibly execute arbitrary code with privileges
of the user invoking the program. (CVE-2011-2911, CVE-2011-2912,
CVE-2011-2913)

It was discovered that libmodplug did not correctly handle certain
malformed media files. If a user or automated system were tricked into
opening a crafted media file, an attacker could cause a denial of
service or possibly execute arbitrary code with privileges of the user
invoking the program. (CVE-2011-2914, CVE-2011-2915).

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/1255-1/"
  );
  script_set_attribute(
    attribute:"solution", 
    value:"Update the affected libmodplug0c2 and / or libmodplug1 packages."
  );
  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: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:libmodplug0c2");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:libmodplug1");
  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:10.10");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:canonical:ubuntu_linux:11.04");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:canonical:ubuntu_linux:11.10");

  script_set_attribute(attribute:"vuln_publication_date", value:"2012/06/07");
  script_set_attribute(attribute:"patch_publication_date", value:"2011/11/09");
  script_set_attribute(attribute:"plugin_publication_date", value:"2011/11/10");
  script_set_attribute(attribute:"generated_plugin", value:"current");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_copyright(english:"Ubuntu Security Notice (C) 2011-2019 Canonical, Inc. / NASL script (C) 2011-2019 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:"^(10\.04|10\.10|11\.04|11\.10)$", string:release)) audit(AUDIT_OS_NOT, "Ubuntu 10.04 / 10.10 / 11.04 / 11.10", "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:"libmodplug0c2", pkgver:"1:0.8.7-1ubuntu0.3")) flag++;
if (ubuntu_check(osver:"10.10", pkgname:"libmodplug1", pkgver:"1:0.8.8.1-1ubuntu1.3")) flag++;
if (ubuntu_check(osver:"11.04", pkgname:"libmodplug1", pkgver:"1:0.8.8.1-2ubuntu0.3")) flag++;
if (ubuntu_check(osver:"11.10", pkgname:"libmodplug1", pkgver:"1:0.8.8.2-3ubuntu1.1")) flag++;

if (flag)
{
  security_report_v4(
    port       : 0,
    severity   : SECURITY_WARNING,
    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, "libmodplug0c2 / libmodplug1");
}