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securityvulnsSecurityvulnsSECURITYVULNS:DOC:29264
HistoryApr 22, 2013 - 12:00 a.m.

[USN-1803-1] X.Org X server vulnerability

2013-04-2200:00:00
vulners.com
24

0.001 Low

EPSS

Percentile

25.1%

==========================================================================
Ubuntu Security Notice USN-1803-1
April 17, 2013

xorg-server, xorg-server-lts-quantal vulnerability

A security issue affects these releases of Ubuntu and its derivatives:

  • Ubuntu 12.10
  • Ubuntu 12.04 LTS
  • Ubuntu 11.10
  • Ubuntu 10.04 LTS

Summary:

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

Software Description:

  • xorg-server: X.Org X server
  • xorg-server-lts-quantal: X.Org X server

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.

Update instructions:

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

Ubuntu 12.10:
xserver-xorg-core 2:1.13.0-0ubuntu6.2

Ubuntu 12.04 LTS:
xserver-xorg-core 2:1.11.4-0ubuntu10.13
xserver-xorg-core-lts-quantal 2:1.13.0-0ubuntu6.1~precise3

Ubuntu 11.10:
xserver-xorg-core 2:1.10.4-1ubuntu4.5

Ubuntu 10.04 LTS:
xserver-xorg-core 2:1.7.6-2ubuntu7.12

After a standard system update you need to restart your session to make
all the necessary changes.

References:
http://www.ubuntu.com/usn/usn-1803-1
CVE-2013-1940

Package Information:
https://launchpad.net/ubuntu/+source/xorg-server/2:1.13.0-0ubuntu6.2
https://launchpad.net/ubuntu/+source/xorg-server/2:1.11.4-0ubuntu10.13

https://launchpad.net/ubuntu/+source/xorg-server-lts-quantal/2:1.13.0-0ubuntu6.1~precise3
https://launchpad.net/ubuntu/+source/xorg-server/2:1.10.4-1ubuntu4.5
https://launchpad.net/ubuntu/+source/xorg-server/2:1.7.6-2ubuntu7.12

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