Artsoft Entertainment Rocks'n'Diamonds (aka rocksndiamonds) 3.3.0.1 allows local users to overwrite arbitrary files via a symlink attack on .rocksndiamonds/cache/artworkinfo.cache under a user's home directory.
https://bugzilla.redhat.com/show_bug.cgi?id=766805
http://openwall.com/lists/oss-security/2011/12/12/3