Untrusted search path vulnerability in uucp in IBM AIX 5.2.0 and 5.3.0 allows local users to local users to gain privileges via a Trojan horse program involving uux.
https://exchange.xforce.ibmcloud.com/vulnerabilities/29156
http://www.vupen.com/english/advisories/2006/3770
http://www.securityfocus.com/bid/20196
http://www-1.ibm.com/support/docview.wss?uid=isg1IY88614
http://www-1.ibm.com/support/docview.wss?uid=isg1IY88565