USN-1349-1: X.Org vulnerability

Publication date

26 January 2012

Overview

X could be made to start by a user who lacked appropriate permissions.


Packages

  • xorg - X.Org X Window System

Details

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.

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.

Update instructions

In general, a standard system update will make all the necessary changes.

Learn more about how to get the fixes.

The problem can be corrected by updating your system to the following package versions:

Ubuntu Release Package Version
11.10 oneiric xserver-xorg –  1:7.6+7ubuntu7.1
11.04 natty xserver-xorg –  1:7.6+4ubuntu3.2
10.10 maverick xserver-xorg –  1:7.5+6ubuntu3.1
10.04 lucid xserver-xorg –  1:7.5+5ubuntu1.1

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