Executive Summary

Summary
Title X.Org X server vulnerabilities
Informations
Name USN-2436-2 First vendor Publication 2014-12-10
Vendor Ubuntu Last vendor Modification 2014-12-10
Severity (Vendor) N/A Revision N/A

Security-Database Scoring CVSS v3

Cvss vector : N/A
Overall CVSS Score NA
Base Score NA Environmental Score NA
impact SubScore NA Temporal Score NA
Exploitabality Sub Score NA
 
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector :
Cvss Base Score Not Defined Attack Range Not Defined
Cvss Impact Score Not Defined Attack Complexity Not Defined
Cvss Expoit Score Not Defined Authentication Not Defined
Calculate full CVSS 2.0 Vectors scores

Detail

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 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 2:1.16.0-1ubuntu1.2

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/2:1.15.1-0ubuntu2~precise4

Original Source

Url : http://www.ubuntu.com/usn/USN-2436-2

Alert History

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0
1
Date Informations
2014-12-11 13:25:15
  • Multiple Updates
2014-12-10 09:23:00
  • First insertion