PNP4Nagios 0.6 through 0.6.16 uses world-readable permissions for process_perfdata.cfg, which allows local users to obtain the Gearman shared secret by reading the file.
http://www.securityfocus.com/bid/54863
http://www.openwall.com/lists/oss-security/2012/08/06/8
http://www.openwall.com/lists/oss-security/2012/08/06/7
http://lists.fedoraproject.org/pipermail/package-announce/2012-September/086387.html
http://lists.fedoraproject.org/pipermail/package-announce/2012-September/086161.html