Ubuntu 10.04 LTS : linux vulnerabilities (USN-2036-1)

#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from Ubuntu Security Notice USN-2036-1. 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(71203);
  script_version("1.9");
  script_cvs_date("Date: 2019/09/19 12:54:29");

  script_cve_id("CVE-2012-2121", "CVE-2013-4511");
  script_bugtraq_id(53162, 63512);
  script_xref(name:"USN", value:"2036-1");

  script_name(english:"Ubuntu 10.04 LTS : linux vulnerabilities (USN-2036-1)");
  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 flaw was discovered in the Linux kernel's KVM (kernel virtual
machine). An administrative user in the guest OS could leverage this
flaw to cause a denial of service in the host OS. (CVE-2012-2121)

Multiple integer overflow flaws where discovered in the Alchemy LCD
frame- buffer drivers in the Linux kernel. An unprivileged local user
could exploit this flaw to gain administrative privileges.
(CVE-2013-4511).

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/2036-1/"
  );
  script_set_attribute(attribute:"solution", value:"Update the affected packages.");
  script_set_cvss_base_vector("CVSS2#AV:L/AC:M/Au:N/C:C/I:C/A:C");
  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:linux-image-2.6-386");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:linux-image-2.6-generic");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:linux-image-2.6-generic-pae");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:linux-image-2.6-lpia");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:linux-image-2.6-preempt");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:linux-image-2.6-server");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:linux-image-2.6-versatile");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:canonical:ubuntu_linux:linux-image-2.6-virtual");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:canonical:ubuntu_linux:10.04:-:lts");

  script_set_attribute(attribute:"vuln_publication_date", value:"2012/05/17");
  script_set_attribute(attribute:"patch_publication_date", value:"2013/12/03");
  script_set_attribute(attribute:"plugin_publication_date", value:"2013/12/04");
  script_set_attribute(attribute:"generated_plugin", value:"current");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_copyright(english:"Ubuntu Security Notice (C) 2013-2019 Canonical, Inc. / NASL script (C) 2013-2019 and is owned by Tenable, Inc. or an Affiliate thereof.");
  script_family(english:"Ubuntu Local Security Checks");

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

  exit(0);
}


include("audit.inc");
include("ubuntu.inc");
include("ksplice.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)$", string:release)) audit(AUDIT_OS_NOT, "Ubuntu 10.04", "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);

if (get_one_kb_item("Host/ksplice/kernel-cves"))
{
  rm_kb_item(name:"Host/uptrack-uname-r");
  cve_list = make_list("CVE-2012-2121", "CVE-2013-4511");
  if (ksplice_cves_check(cve_list))
  {
    audit(AUDIT_PATCH_INSTALLED, "KSplice hotfix for USN-2036-1");
  }
  else
  {
    _ubuntu_report = ksplice_reporting_text();
  }
}

flag = 0;

if (ubuntu_check(osver:"10.04", pkgname:"linux-image-2.6.32-54-386", pkgver:"2.6.32-54.116")) flag++;
if (ubuntu_check(osver:"10.04", pkgname:"linux-image-2.6.32-54-generic", pkgver:"2.6.32-54.116")) flag++;
if (ubuntu_check(osver:"10.04", pkgname:"linux-image-2.6.32-54-generic-pae", pkgver:"2.6.32-54.116")) flag++;
if (ubuntu_check(osver:"10.04", pkgname:"linux-image-2.6.32-54-lpia", pkgver:"2.6.32-54.116")) flag++;
if (ubuntu_check(osver:"10.04", pkgname:"linux-image-2.6.32-54-preempt", pkgver:"2.6.32-54.116")) flag++;
if (ubuntu_check(osver:"10.04", pkgname:"linux-image-2.6.32-54-server", pkgver:"2.6.32-54.116")) flag++;
if (ubuntu_check(osver:"10.04", pkgname:"linux-image-2.6.32-54-versatile", pkgver:"2.6.32-54.116")) flag++;
if (ubuntu_check(osver:"10.04", pkgname:"linux-image-2.6.32-54-virtual", pkgver:"2.6.32-54.116")) 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, "linux-image-2.6-386 / linux-image-2.6-generic / etc");
}