Articles / Ubuntu: Security update for...

Ubuntu: Security update for Keystone

Dan Prince discovered that Keystone did not properly perform input validation when handling certain error conditions. An unauthenticated user could exploit this to cause a denial of service in Keystone API servers via disk space exhaustion.

Updated packages are available from security.ubuntu.com.

==========================================================================
Ubuntu Security Notice USN-1715-1
February 05, 2013

keystone vulnerability
==========================================================================

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 12.10
- Ubuntu 12.04 LTS

Summary:

Keystone could be made to fill server disks with error messages.

Software Description:
- keystone: OpenStack identity service

Details:

Dan Prince discovered that Keystone did not properly perform input
validation when handling certain error conditions. An unauthenticated user
could exploit this to cause a denial of service in Keystone API servers via
disk space exhaustion.

Update instructions:

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 12.10:
 python-keystone                 2012.2.1-0ubuntu1.1

Ubuntu 12.04 LTS:
 python-keystone                 2012.1+stable~20120824-a16a0ab9-0ubuntu2.4

In general, a standard system update will make all the necessary changes.

References:
 http://www.ubuntu.com/usn/usn-1715-1
 CVE-2013-0247

Package Information:
 https://launchpad.net/ubuntu/+source/keystone/2012.2.1-0ubuntu1.1

https://launchpad.net/ubuntu/+source/keystone/2012.1+stable~20120824-a16a0ab9-0ubuntu2.4
Screenshot

Project Spotlight

KDE-Services

Extensions providing additional features for Dolphin's right click menu in KDE.

Screenshot

Project Spotlight

PixelController

A LED matrix controller.