USN-1715-1: OpenStack Keystone vulnerability

Ubuntu Security Notice USN-1715-1

5th February, 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 version:

Ubuntu 12.10:
python-keystone 2012.2.1-0ubuntu1.1
Ubuntu 12.04 LTS:
python-keystone 2012.1+stable~20120824-a16a0ab9-0ubuntu2.4

To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.

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

References

CVE-2013-0247