source: http://www.securityfocus.com/bid/10022/info

Roger Wilco Server has been reported prone to a remote denial of service vulnerability. The issue is reported to exist due to a flaw when handling malicious UDP payloads that are destined for the vulnerable server.

A remote attacker may exploit this condition to deny service to legitimate users. 

https://github.com/offensive-security/exploitdb-bin-sploits/raw/master/bin-sploits/23902.zip