rm_mlcache_file in bos.rte.install in AIX 5.1.0 through 5.3.0 allows local users to overwrite arbitrary files via a symlink attack on temporary files.
secunia.com/advisories/19656
securitytracker.com/id?1015952
www-1.ibm.com/support/docview.wss?uid=isg1IY82357
www.nsfocus.com/english/homepage/research/0603.htm
www.osvdb.org/24706
www.securityfocus.com/archive/1/431846/100/0/threaded
www.securityfocus.com/archive/1/431848/100/0/threaded
www.securityfocus.com/bid/17576
www.vupen.com/english/advisories/2006/1389
exchange.xforce.ibmcloud.com/vulnerabilities/25848