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Date: Fri, 20 Jan 2012 17:02:25 +0100
From: Jan Lieskovsky <jlieskov@...hat.com>
To: oss-security@...ts.openwall.com
CC: "Steven M. Christey" <coley@...us.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

On 01/20/2012 04:55 PM, Steven M. Christey wrote:
>
> 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

Thanks for your prompt reply, Steve. It has been truly updated
already (checked by forcing Firefox to renew it's cached).

Thank you, Jan.
--
Jan iankko Lieskovsky / Red Hat Security Response Team

>
> - 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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