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Interaction SIP Proxy Buffer Overflow Vulnerability
Secunia Advisory: SA18197
Release Date: 2005-12-21
Popularity: 4,969 views

Critical:
Moderately critical
Impact: DoS
Where: From remote
Solution Status: Vendor Patch

Software:Interaction SIP Proxy 3.x

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Description:
Behrang Fouladi has reported a vulnerability in Interaction SIP Proxy, which can be exploited by malicious people to cause a DoS (Denial of Service).

The vulnerability is caused due to a boundary error in "i3sipmsg.dll" when handling SIP requests. This can be exploited to cause a heap-based buffer overflow by sending an SIP version number with an overly long sequence of space or TAB characters in a REGISTER request.

The vulnerability has been reported in version 3.0.010. Prior versions may also be affected.

Solution:
Update to version 3.0.011.
http://www.inin.com/sipproxy/

Provided and/or discovered by:
Behrang Fouladi

Original Advisory:
http://www.hat-squad.com/en/000171.html


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