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Message-Id: <201009281117.56424.ludwig.nussel@suse.de>
Date: Tue, 28 Sep 2010 11:17:56 +0200
From: Ludwig Nussel <ludwig.nussel@...e.de>
To: oss-security@...ts.openwall.com
Subject: Re: CVE request: clamav < 0.96.3 pdf bounds checking
Hanno Böck wrote:
> As always, clamav doesn't mention security issues in it's release notes, but
> the changelog gives some insight.
>
> The bundled bzip2 code is affected by CVE-2010-0405 which is no surprise.
>
> This however sounds more interesting:
> Mon Sep 20 14:50:34 EEST 2010 (edwin)
> -------------------------------------
> * libclamav/pdf.c: Add missing boundscheck to pdf code (bb #2226)
>
> The referenced bug report is not public, but it sounds like this deserves a
> CVE.
Must be this commit:
http://git.clamav.net/gitweb?p=clamav-devel.git;a=commitdiff;h=dc5143b4669ae39c79c9af50d569c28c798f33da
If bytesleft2 is negative the next memchr would likely cause a
crash. Previous commits in that file also improve bounds checks.
cu
Ludwig
--
(o_ Ludwig Nussel
//\
V_/_ http://www.suse.de/
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