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Message-Id: <201209121200.53051.geissert@debian.org>
Date: Wed, 12 Sep 2012 12:00:52 -0500
From: Raphael Geissert <geissert@...ian.org>
To: oss-security@...ts.openwall.com
Subject: Re: CVE request - mcrypt buffer overflow flaw
On Tuesday 11 September 2012 10:19:38 Eygene Ryabinkin wrote:
> Unfortunately, mcrypt's check_file_head() in combination with
> decrypt_general() is a bit worse: it allows to overwrite up to 50
> bytes of stack buffers from decrypt_general(), namely local_algorithm,
> local_mode, local_keymode. And in some curcumstances to overwrite
> even 2-3 extra bytes (not more, since buf[3] will contain '\0'), though
> it is not very much controllable path.
Thanks for the review of that part, one less item on my TODO list :)
Since CVE-2012-4409 has been widely related to the salt issue, I guess we
need another CVE id? One could cover all the other issues.
Cheers,
--
Raphael Geissert - Debian Developer
www.debian.org - get.debian.net
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