The SUSE horde5 package before 5.0.2-2.4.1 sets incorrect ownership for certain configuration files and directories including /etc/apache2/vhosts.d, which allows local wwwrun users to gain privileges via unspecified vectors.
https://bugzilla.novell.com/show_bug.cgi?id=811369
http://lists.opensuse.org/opensuse-updates/2013-12/msg00025.html