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Date: Fri, 20 Jan 2012 10:55:20 -0500 (EST)
From: "Steven M. Christey" <coley@...-smtp.mitre.org>
To: oss-security@...ts.openwall.com
cc: "Steven M. Christey" <coley@...-smtp.mitre.org>,
        Joshua Colp <jcolp@...ium.com>
Subject: Re: CVE Request -- Asterisk AST-2012-001 / Remote
 DoS while processing crypto line for media stream with non-existing RTP


CVE-2012-0885 was already assigned to AST-2012-001 based on a request from 
the upstream vendor.  They probably updated their advisory since your 
initial request:

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

- Steve


On Fri, 20 Jan 2012, Jan Lieskovsky wrote:

> Hello Kurt, Steve, vendors,
>
>  a denial of service flaw was found in the way asterisk processed certain
> requests to negotiate secure video stream, when the res_srtp Asterisk module
> has been loaded and video support has not been enabled. A remote attacker 
> could
> provide a specially-crafted media stream negotiation request, which once
> processed by Asterisk would lead to asterisk daemon crash by processing 
> crypto
> line for such media stream.
>
> References:
> [1] http://downloads.asterisk.org/pub/security/AST-2012-001.html
> [2] https://issues.asterisk.org/jira/browse/ASTERISK-19202
> [3] https://bugzilla.redhat.com/show_bug.cgi?id=783487
>
> Upstream patch against the v1.8.x branch:
> [4] http://downloads.asterisk.org/pub/security/AST-2012-001-1.8.diff
>
> Upstream patch against the v1.10.x branch:
> [5] http://downloads.asterisk.org/pub/security/AST-2012-001-10.diff
>
> Could you allocate a CVE identifier for this?
>
> Thank you && Regards, Jan.
> --
> Jan iankko Lieskovsky / Red Hat Security Response Team
>

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