USN-2436-1: X.Org X server vulnerabilities

Releases

• Ubuntu 14.10
• Ubuntu 14.04 ESM
• Ubuntu 12.04

Packages

• xorg-server - X.Org X11 server
• xorg-server-lts-trusty - X.Org X11 server

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 execute
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 - 2:1.16.0-1ubuntu1.1

Ubuntu 14.04

• xserver-xorg-core - 2:1.15.1-0ubuntu2.4

Ubuntu 12.04

• xserver-xorg-core - 2:1.11.4-0ubuntu10.15
• xserver-xorg-core-lts-trusty - 2:1.15.1-0ubuntu2~precise3

After a standard system update you need to reboot your computer to make
all the necessary changes.

References

• CVE-2014-8091
• CVE-2014-8092
• CVE-2014-8093
• CVE-2014-8094
• CVE-2014-8095
• CVE-2014-8096
• CVE-2014-8097
• CVE-2014-8098
• CVE-2014-8099
• CVE-2014-8100
• CVE-2014-8101
• CVE-2014-8102
• CVE-2014-8103

Related notices

• USN-2438-1