USN-1565-1: OpenStack Horizon vulnerability

13 September 2012

horizon vulnerability

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

  • Ubuntu 12.04 LTS


OpenStack Horizon could help expose sensitive information.

Software Description

  • horizon - Web interface for OpenStack cloud infrastructure


Thomas Biege discovered that the Horizon authentication mechanism did not validate the next parameter. An attacker could use this to construct a link to legitimate OpenStack web dashboard that redirected the user to a malicious website after authentication.

Update instructions

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

Ubuntu 12.04 LTS
openstack-dashboard - 2012.1.3+stable~20120815-691dd2-0ubuntu1.1
python-django-horizon - 2012.1.3+stable~20120815-691dd2-0ubuntu1.1

To update your system, please follow these instructions:

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