| From: |
| Marc Deslauriers <marc.deslauriers@canonical.com> |
| To: |
| ubuntu-security-announce@lists.ubuntu.com |
| Subject: |
| [USN-1349-1] X.Org vulnerability |
| Date: |
| Thu, 26 Jan 2012 13:40:22 -0500 |
| Message-ID: |
| <1327603222.3101.36.camel@mdlinux> |
| Archive-link: |
| Article, Thread
|
==========================================================================
Ubuntu Security Notice USN-1349-1
January 26, 2012
xorg vulnerability
==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 11.10
- Ubuntu 11.04
- Ubuntu 10.10
- Ubuntu 10.04 LTS
Summary:
X could be made to start by a user who lacked appropriate permissions.
Software Description:
- 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.
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 11.10:
xserver-xorg 1:7.6+7ubuntu7.1
Ubuntu 11.04:
xserver-xorg 1:7.6+4ubuntu3.2
Ubuntu 10.10:
xserver-xorg 1:7.5+6ubuntu3.1
Ubuntu 10.04 LTS:
xserver-xorg 1:7.5+5ubuntu1.1
In general, a standard system update will make all the necessary changes.
References:
http://www.ubuntu.com/usn/usn-1349-1
CVE-2011-4613
Package Information:
https://launchpad.net/ubuntu/+source/xorg/1:7.6+7ubuntu7.1
https://launchpad.net/ubuntu/+source/xorg/1:7.6+4ubuntu3.2
https://launchpad.net/ubuntu/+source/xorg/1:7.5+6ubuntu3.1
https://launchpad.net/ubuntu/+source/xorg/1:7.5+5ubuntu1.1
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