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Message-ID: <000d01c3be26$52eca120$710ef955@don5711fca45ab>
Date: Tue, 9 Dec 2003 10:30:30 +0300
From: Алексей Синцов <don_@...sers.ru>
To: <bugtraq@...urityfocus.com>
Subject: Motorola SB5100E Cable Modem DoS


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_@...sers.ru 



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