Home / mailings [USN-2436-2] X.Org X server vulnerabilities
Posted on 10 December 2014
Ubuntu Security==========================
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Ubuntu Security Notice USN-2436-2
December 10, 2014
xorg-server, xorg-server-lts-trusty vulnerabilities
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A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 14.10
- Ubuntu 14.04 LTS
- Ubuntu 12.04 LTS
Summary:
USN-2436-1 contained incomplete fixes for the X.Org X server.
Software Description:
- xorg-server: X.Org X11 server
- xorg-server-lts-trusty: Xorg X server - source files
Details:
USN-2436-1 fixed vulnerabilities in the X.Org X server. Since publication=
,
additional fixes have been made available for these issues. This update
adds the additional fixes.
Original advisory details:
Ilja van Sprundel discovered a multitude of security issues in the X.Org=
X
server. An attacker able to connect to an X server, either locally or
remotely, could use these issues to cause the X server to crash or execu=
te
arbitrary code resulting in possible privilege escalation.
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 14.10:
xserver-xorg-core 2:1.16.0-1ubuntu1.2
Ubuntu 14.04 LTS:
xserver-xorg-core 2:1.15.1-0ubuntu2.5
Ubuntu 12.04 LTS:
xserver-xorg-core 2:1.11.4-0ubuntu10.16
xserver-xorg-core-lts-trusty 2:1.15.1-0ubuntu2~precise4
After a standard system update you need to reboot your computer to make
all the necessary changes.
References:
http://www.ubuntu.com/usn/usn-2436-2
http://www.ubuntu.com/usn/usn-2436-1
https://launchpad.net/bugs/1400942
Package Information:
https://launchpad.net/ubuntu/+source/xorg-server/2:1.16.0-1ubuntu1.2
https://launchpad.net/ubuntu/+source/xorg-server/2:1.15.1-0ubuntu2.5
https://launchpad.net/ubuntu/+source/xorg-server/2:1.11.4-0ubuntu10.16
https://launchpad.net/ubuntu/+source/xorg-server-lts-trusty/2:1.15.1-0ubu=
ntu2~precise4
