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TITLE:
Siemens C450IP / C475IP Denial of Service Vulnerability

SECUNIA ADVISORY ID:
SA32827

VERIFY ADVISORY:
http://secunia.com/advisories/32827/

CRITICAL:
Moderately critical

IMPACT:
DoS

WHERE:
>From remote

OPERATING SYSTEM:
Siemens C450IP
http://secunia.com/advisories/product/20611/
Siemens C475IP
http://secunia.com/advisories/product/20612/

DESCRIPTION:
A vulnerability has been reported in Siemens C450IP / C475IP, which
can be exploited by malicious people to cause a DoS (Denial of
Service).

The vulnerability is caused due to an error in the processing of SIP
messages. This can be exploited to disconnect all active calls and
reboot the device via a specially crafted UDP packet sent to port
5060.

SOLUTION:
Restrict network access to the device.

PROVIDED AND/OR DISCOVERED BY:
sky & Any

ORIGINAL ADVISORY:
http://milw0rm.com/exploits/7220

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Definitions: (Criticality, Where etc.)
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use those supplied by the vendor.

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