drucken bookmarks versenden konfigurieren admin pdf Sicherheit: Zwei Probleme in X.Org
Name: |
Zwei Probleme in X.Org |
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ID: |
USN-2500-1 |
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Distribution: |
Ubuntu |
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Plattformen: |
Ubuntu 12.04 LTS, Ubuntu 14.04 LTS, Ubuntu 14.10 |
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Datum: |
Di, 17. Februar 2015, 14:33 |
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Referenzen: |
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2013-6424
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-0255
https://launchpad.net/ubuntu/+source/xorg-server-lts-trusty/2:1.15.1-0ubuntu2~precise5
https://launchpad.net/ubuntu/+source/xorg-server-lts-utopic/2:1.16.0-1ubuntu1.2~trusty2 |
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Applikationen: |
X11 |
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Originalnachricht |
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========================================================================== Ubuntu Security Notice USN-2500-1 February 17, 2015
xorg-server, xorg-server-lts-trusty, xorg-server-lts-utopic vulnerabilities ==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 14.10 - Ubuntu 14.04 LTS - Ubuntu 12.04 LTS
Summary:
Several security issues were fixed in the X.Org X server.
Software Description: - xorg-server: X.Org X11 server - xorg-server-lts-utopic: X.Org X11 server - xorg-server-lts-trusty: X.Org X11 server
Details:
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)
Update instructions:
The problem can be corrected by updating your system to the following package versions:
Ubuntu 14.10: xserver-xorg-core 2:1.16.0-1ubuntu1.3
Ubuntu 14.04 LTS: xserver-xorg-core 2:1.15.1-0ubuntu2.7 xserver-xorg-core-lts-utopic 2:1.16.0-1ubuntu1.2~trusty2
Ubuntu 12.04 LTS: xserver-xorg-core 2:1.11.4-0ubuntu10.17 xserver-xorg-core-lts-trusty 2:1.15.1-0ubuntu2~precise5
After a standard system update you need to reboot your computer to make all the necessary changes.
References: http://www.ubuntu.com/usn/usn-2500-1 CVE-2013-6424, CVE-2015-0255
Package Information: https://launchpad.net/ubuntu/+source/xorg-server/2:1.16.0-1ubuntu1.3 https://launchpad.net/ubuntu/+source/xorg-server/2:1.15.1-0ubuntu2.7
https://launchpad.net/ubuntu/+source/xorg-server-lts-utopic/2:1.16.0-1ubuntu1.2~trusty2 https://launchpad.net/ubuntu/+source/xorg-server/2:1.11.4-0ubuntu10.17
https://launchpad.net/ubuntu/+source/xorg-server-lts-trusty/2:1.15.1-0ubuntu2~precise5
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