1. Ubuntu Security Notices
  2. USN-1803-1

USN-1803-1: X.Org X server vulnerability

Publication date

17 April 2013

Overview

The X server could be made to reveal keystrokes of other users.

Releases

Packages

Details

It was discovered that the X.Org X server did not properly clear input
events in certain circumstances. A local attacker with physical access
could use this flaw to capture keystrokes.

It was discovered that the X.Org X server did not properly clear input
events in certain circumstances. A local attacker with physical access
could use this flaw to capture keystrokes.

Update instructions

After a standard system update you need to restart your session to 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
12.10 quantal xserver-xorg-core –  2:1.13.0-0ubuntu6.2
12.04 precise xserver-xorg-core-lts-quantal –  2:1.13.0-0ubuntu6.1~precise3
xserver-xorg-core –  2:1.11.4-0ubuntu10.13
11.10 oneiric xserver-xorg-core –  2:1.10.4-1ubuntu4.5
10.04 lucid xserver-xorg-core –  2:1.7.6-2ubuntu7.12

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References

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