Ubuntu 10.04 LTS / 10.10 / 11.04 / 11.10 : xorg vulnerability (USN-1349-1)

Ubuntu Security Notice (C) 2012-2016 Canonical, Inc. / NASL script (C) 2012-2016 Tenable Network Security, Inc.


Synopsis :

The remote Ubuntu host is missing a security-related patch.

Description :

It was discovered that the X wrapper incorrectly checked certain
console permissions when launched by unprivileged users. An attacker
connected remotely could use this flaw to start X, bypassing the
console permissions check.

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.

Solution :

Update the affected xserver-xorg package.

Risk factor :

Medium / CVSS Base Score : 4.6
(CVSS2#AV:L/AC:L/Au:N/C:P/I:P/A:P)
CVSS Temporal Score : 3.8
(CVSS2#E:F/RL:OF/RC:C)
Public Exploit Available : true

Family: Ubuntu Local Security Checks

Nessus Plugin ID: 57707 ()

Bugtraq ID: 51082

CVE ID: CVE-2011-4613