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/ SUSE LINUX Products GmbH, GF: Markus Rex, HRB 16746 (AG Nuernberg)
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