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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)
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