Denial of Service against AVM Fritz!Box 7050 (and others) Discovered by: Matthias Wenzel Advisory: http://mazzoo.de/blog/2007/01/18#FritzBox_DoS Manufacturer: AVM (www.avm.de) Product: Fritz!Box 750 (and others) Vendor was notified 6 month ago (see blog entry by Matthias) Sending a zero-length UDP packet to port 5060 (SIP) of a AVM Fritz!Box will crash the VoIP-telephony application. This works from any IP-interface, including the DSL line. Collin (only delivering the message to FD and BugTraq)
