Web server for Shambala 4.5 allows remote attackers to cause a denial of service (crash) via a malformed HTTP request.
http://www.securityfocus.com/bid/4897
http://www.iss.net/security_center/static/9225.php
http://online.securityfocus.com/archive/1/281265
http://archives.neohapsis.com/archives/bugtraq/2002-05/0282.html