USN-1742-1 : linux-ti-omap4 vulnerability

2013-02-22T00:00:00
ID UBUNTU_USN-1742-1.NASL
Type nessus
Reporter Tenable
Modified 2014-07-14T00:00:00

Description

Suleiman Souhlal, Salman Qazi, Aaron Durbin and Michael Davidson discovered a race condition in the Linux kernel's ptrace syscall. An unprivileged local attacker could exploit this flaw to run programs as an administrator.

                                        
                                            # This script was automatically generated from Ubuntu Security
# Notice USN-1742-1.  It is released under the Nessus Script 
# Licence.
#
# Ubuntu Security Notices are (C) Canonical, Inc.
# See http://www.ubuntu.com/usn/
# Ubuntu(R) is a registered trademark of Canonical, Inc.

if (!defined_func("bn_random")) exit(0);

include("compat.inc");

if (description)
{
  script_id(64808);
  script_version("$Revision: 1.2 $");
  script_cvs_date("$Date: 2014/07/14 00:08:46 $");

 script_cve_id("CVE-2013-0871");
  script_xref(name:"USN", value:"1742-1");

  script_name(english:"USN-1742-1 : linux-ti-omap4 vulnerability");
  script_summary(english:"Checks dpkg output for updated package(s)");

  script_set_attribute(attribute:"synopsis", value: 
"The remote Ubuntu host is missing one or more security-related
patches.");
  script_set_attribute(attribute:"description", value:
"Suleiman Souhlal, Salman Qazi, Aaron Durbin and Michael Davidson
discovered a race condition in the Linux kernel's ptrace syscall. An
unprivileged local attacker could exploit this flaw to run programs
as an administrator.");
  script_set_attribute(attribute:"see_also", value:"http://www.ubuntu.com/usn/usn-1742-1/");
  script_set_attribute(attribute:"solution", value:"Update the affected package(s).");
  script_set_cvss_base_vector("CVSS2#AV:L/AC:M/Au:N/C:C/I:C/A:C");
  script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"true");
  script_set_attribute(attribute:"exploit_framework_canvas", value:"true");
  script_set_attribute(attribute:"canvas_package", value:'CANVAS');
  script_set_attribute(attribute:"patch_publication_date", value:"2013/02/22");

  script_set_attribute(attribute:"cpe", value:"cpe:/o:canonical:ubuntu_linux");
  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"plugin_publication_date", value:"2013/02/22");
  script_end_attributes();
    
  script_category(ACT_GATHER_INFO);
  script_family(english:"Ubuntu Local Security Checks");

  script_copyright("Ubuntu Security Notice (C) 2013 Canonical, Inc. / NASL script (C) 2013-2014 Tenable Network Security, Inc.");

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

  exit(0);
}

include("ubuntu.inc");

if (!get_kb_item("Host/local_checks_enabled")) exit(0, "Local checks are not enabled.");
if (!get_kb_item("Host/Ubuntu/release")) exit(0, "The host is not running Ubuntu.");
if (!get_kb_item("Host/Debian/dpkg-l")) exit(1, "Could not obtain the list of installed packages.");

flag = 0;

if (ubuntu_check(osver:"12.04", pkgname:"linux-image-3.2.0-1426-omap4", pkgver:"3.2.0-1426.35")) flag++;

if (flag)
{
  if (report_verbosity > 0) security_warning(port:0, extra:ubuntu_report_get());
  else security_warning(0);
  exit(0);
}
else exit(0, "The host is not affected.");