Buffer overflow in slrnpull for the SLRN package, when installed setuid or setgid, allows local users to gain privileges via a long -d (SPOOLDIR) argument.
http://www.iss.net/security_center/static/8910.php
http://online.securityfocus.com/archive/1/270235
http://archives.neohapsis.com/archives/bugtraq/2002-04/0302.html