Buffer overflow in PlanetDNS PlanetWeb 1.14 and earlier allows remote attackers to execute arbitrary code via (1) an HTTP GET request with a long URL or (2) a request with a long method name.
http://www.iss.net/security_center/static/10391.php
http://www.iss.net/security_center/static/10124.php
http://archives.neohapsis.com/archives/bugtraq/2002-09/0166.html