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List:       bugtraq
Subject:    Motorola SB5100E Cable Modem DoS
From:       <don_ () x-users ! ru>
Date:       2003-12-09 7:30:30
Message-ID: 000d01c3be26$52eca120$710ef955 () don5711fca45ab
[Download RAW message or body]

Hello.

Sending "land" packet to motorola device, will cause it to crash.

"LanD" packet is simple TCP syn packet:
Source IP = 192.168.100.1
Destanation IP = 192.168.100.1
Source Port = 80
Destanation Port =80
SYN  Flag= 1

One packet can crash modem and all network on cable part will be 
unreacheble.
Only physical restart can help.

May be other models are vulnerable.

Alexey Sintsov.
mailto:don_@x-users.ru 

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