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Linksys RT31P2 SIP Messages Denial of Service Vulnerabilities
Secunia Advisory: SA19722
Release Date: 2006-04-20
Last Update: 2006-07-20
Popularity: 6,072 views

Critical:
Moderately critical
Impact: DoS
Where: From remote
Solution Status: Unpatched

OS:Linksys RT31P2

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CVE reference:CVE-2006-1973


Description:
Telcordia has reported some vulnerabilities in Linksys RT31P2, which can be exploited by malicious people to cause a DoS (Denial of Service).

The vulnerabilities are caused due to various errors in the processing of malformed SIP (Session Initiation Protocol) messages. This may be exploited to disrupt phone calls and cause a connected phone to stop working.

Solution:
The product has reportedly been discontinued.

Filter traffic or use another product.

Provided and/or discovered by:
Peter Thermos and Guy Hadsall, Telcordia.

Changelog:
2006-07-20: Added CVE reference.

Original Advisory:
US-CERT VU#621566:
http://www.kb.cert.org/vuls/id/621566


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