The quagga package before 0.99.23-2.6.1 in openSUSE and SUSE Linux Enterprise Server 11 SP 1 uses weak permissions for /etc/quagga, which allows local users to obtain sensitive information by reading files in the directory.
https://bugzilla.suse.com/show_bug.cgi?id=770619
http://www.securityfocus.com/bid/87324
http://www.debian.org/security/2016/dsa-3654
http://lists.opensuse.org/opensuse-updates/2016-04/msg00040.html