Buffer overflow in Appfluent Technology Database IDS 2.0 allows local users to execute arbitrary code via a long APPFLUENT_HOME environment variable.
http://secunia.com/advisories/17947
http://open-security.org/advisories/14
http://mantis.pulltheplug.org/display.php?offset=8
http://archives.neohapsis.com/archives/fulldisclosure/2005-12/0253.html