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Ubuntu Security Notice USN-2062-1
December 20, 2013

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

- Ubuntu 13.10
- Ubuntu 13.04
- Ubuntu 12.10

Summary:

Horizon could be made to expose sensitive information over the network.

Software Description:
- horizon: Web interface for OpenStack cloud infrastructure

Details:

Chris Chapman discovered cross-site scripting (XSS) vulnerabilities
in Horizon via the Volumes and Network Topology pages. An authenticated
attacker could exploit these to conduct stored cross-site scripting (XSS)
attacks against users viewing these pages in order to modify the contents
or steal confidential data within the same domain.

Update instructions:

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

Ubuntu 13.10:
  python-django-horizon           1:2013.2-0ubuntu1.1

Ubuntu 13.04:
  python-django-horizon           1:2013.1.4-0ubuntu1.1

Ubuntu 12.10:
  python-django-horizon           2012.2.4-0ubuntu1.1

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

References:
  http://www.ubuntu.com/usn/usn-2062-1
  CVE-2013-6858

Package Information:
  https://launchpad.net/ubuntu/+source/horizon/1:2013.2-0ubuntu1.1
  https://launchpad.net/ubuntu/+source/horizon/1:2013.1.4-0ubuntu1.1
  https://launchpad.net/ubuntu/+source/horizon/2012.2.4-0ubuntu1.1