USN-2500-1: X.Org X server vulnerabilities

Published Feb 17, 2015
·
Updated

Olivier Fourdan discovered that the X.Org X server incorrectly handled XkbSetGeometry requests resulting in an information leak. An attacker able to connect to an X server, either locally or remotely, could use this issue to possibly obtain sensitive information. (CVE-2015-0255) It was discovered that the X.Org X server incorrectly handled certain trapezoids. An attacker able to connect to an X server, either locally or remotely, could use this issue to possibly crash the server. This issue only affected Ubuntu 12.04 LTS. (CVE-2013-6424)

Affected Software

10 affected componentsFixes available
All of the following
ubuntu/xserver-xorg-core<2:1.16.0-1ubuntu1.3
2:1.16.0-1ubuntu1.3
Ubuntu Ubuntu=14.10
All of the following
ubuntu/xserver-xorg-core<2:1.15.1-0ubuntu2.7
2:1.15.1-0ubuntu2.7
Ubuntu Ubuntu=14.04
All of the following
ubuntu/xserver-xorg-core-lts-utopic<2:1.16.0-1ubuntu1.2~trusty2
2:1.16.0-1ubuntu1.2~trusty2
Ubuntu Ubuntu=14.04
All of the following
ubuntu/xserver-xorg-core<2:1.11.4-0ubuntu10.17
2:1.11.4-0ubuntu10.17
Ubuntu Ubuntu=12.04
All of the following
ubuntu/xserver-xorg-core-lts-trusty<2:1.15.1-0ubuntu2~precise5
2:1.15.1-0ubuntu2~precise5
Ubuntu Ubuntu=12.04

Event History

Feb 17, 2015
Advisory Published
via Ubuntu·12:00 AM

Child vulnerabilities

Contains the following vulnerabilities.

Frequently Asked Questions

1

What is the vulnerability ID for this vulnerability?

CVE-2015-0255

2

What is the severity of CVE-2015-0255?

The severity of CVE-2015-0255 is not provided in the information.

3

How can an attacker exploit CVE-2015-0255?

An attacker able to connect to an X server, either locally or remotely, could use this issue to possibly obtain sensitive information.

4

Which software versions are affected by this vulnerability?

The vulnerability affects Ubuntu 14.10, Ubuntu 14.04, Ubuntu 12.04.

5

How to fix CVE-2015-0255?

Update the affected software by following the remediation steps provided by Ubuntu.

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203