The file /etc/openstack-dashboard/local_settings within Red Hat OpenStack Platform 2.0 and RHOS Essex Release (python-django-horizon package before 2012.1.1) is world readable and exposes the secret key value.
https://security-tracker.debian.org/tracker/CVE-2012-5474
https://access.redhat.com/security/cve/cve-2012-5474
http://lists.fedoraproject.org/pipermail/package-announce/2012-November/092841.html