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Insecure Library Loading
Moderately critical

Asterisk SRTP Video Stream Negotiation Denial of Service Vulnerability

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Release Date:  2012-01-20    Last Update:  2012-01-30    Views:  1,278

Secunia Advisory SA47630

Where:

From remote

Impact:

DoS

Solution Status:

Vendor Patch

CVE Reference(s):

Description


A vulnerability has been reported in Asterisk, which can be exploited by malicious people to cause a DoS (Denial of Service).

The vulnerability is caused due to an error within the handling of encrypted streams when negotiating a SRTP video stream and can be exploited to cause a crash.

Successful exploitation requires that video support is not been enabled and the res_srtp module is loaded.

The vulnerability is reported in versions prior to 10.0.1 and 1.8.8.2


Solution:
Update to version 10.0.1 or 1.8.8.2.

Provided and/or discovered by:
The vendor credits Catalin Sanda.

Original Advisory:
http://downloads.asterisk.org/pub/security/AST-2012-001.html

Deep Links:
Links available to Secunia VIM customers

Do you have additional information related to this advisory?

Please provide information about patches, mitigating factors, new versions, exploits, faulty patches, links, and other relevant data by posting comments to this Advisory. You can also send this information to vuln@secunia.com

Subject: Asterisk SRTP Video Stream Negotiation Denial of Service Vulnerability

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