Check_MK through 1.2.5i2p1 allows local users to read arbitrary files via a symlink attack to a file in /var/lib/check_mk_agent/job.
https://secuniaresearch.flexerasoftware.com/advisories/58536
https://bugzilla.redhat.com/show_bug.cgi?id=1101669
http://www.securityfocus.com/bid/67674