Stack-based buffer overflow in the domacro function in ftp in IBM AIX 5.2 and 5.3 allows local users to gain privileges via a long parameter to a macro, as demonstrated by executing a macro via the '$' command.
https://exchange.xforce.ibmcloud.com/vulnerabilities/38162
http://www.vupen.com/english/advisories/2007/3669
http://www.securityfocus.com/bid/26260
http://www.ibm.com/support/docview.wss?uid=isg1IZ05488
http://www.ibm.com/support/docview.wss?uid=isg1IZ05487
http://securitytracker.com/id?1018871
http://secunia.com/advisories/27437
http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=616