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Date: Fri, 24 Feb 2012 13:28:05 -0700
From: Kurt Seifried <>
CC: Tomas Hoger <>,
Subject: Re: MySQL 0-day - does it need a CVE?

On 02/24/2012 03:11 AM, Tomas Hoger wrote:
> On Thu, 09 Feb 2012 10:20:14 -0700 Kurt Seifried wrote:
> ...
>> We are releasing a working MySQL 5.5.20 remote 0day exploit with this
>> update.The exploit has been tested with
>> mysql-5.5.20-debian6.0-i686.deb on Debian 6.0.
> Note also:
> According to the video, it should be "yassl buffer overflow".

Ok according to the video:

This vulnerability affects the yaSSL authentication portion (so SSL
certificate based authentication of clients).

This attack is "reliable", usually works on the first try, but if it
fails it will DoS MySQL and MySQL will require a restart.

So it sounds like this might actually be a yaSSL vulnerability and not
specific to MySQL. CC'ing so they are aware of this
potential issue.

Please use CVE-2012-0882 for this issue.

Kurt Seifried Red Hat Security Response Team (SRT)

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