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Date: Tue, 29 Nov 2016 17:29:39 -0500
From: <cve-assign@...re.org>
To: <dmoppert@...hat.com>
CC: <cve-assign@...re.org>, <oss-security@...ts.openwall.com>
Subject: Re: openjpeg CVE-2016-3181, CVE-2016-3182 .. and CVE-2013-6045

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> https://bugzilla.redhat.com/show_bug.cgi?id=1382202

> The reproducer [of https://github.com/uclouvain/openjpeg/issues/725] happens to tickle
> a flaw in a patch for CVE-2013-6045 that was posted here back when:
> 
> http://seclists.org/oss-sec/2013/q4/412
> 
> segfault-1.patch uses:
> 
> +                     tilec->data = (int*) opj_aligned_malloc((comp0size+3) * sizeof(int));
> 
> which should have used compcsize instead of comp0size.
> 
> Upstream never included this patch - deeper work went into eliminating this and
> other issues in openjpeg-1.5.2.  The patch that addresses this particular issue
> seems to be 69cd4f92 (hunk starting /* testcase 1336.pdf.asan.47.376 */).
> 
> https://github.com/uclouvain/openjpeg/commit/69cd4f92
> https://github.com/uclouvain/openjpeg/issues/297
> 
> This hasn't been an issue in upstream openjpeg releases for a long time ...
> but there are LTS distributions around still shipping 1.5.1 (or 1.3) with the
> patches from here applied.  Those should preferably upgrade to 1.5.2:  changing
> comp0size to compcsize eliminates this particular crash ...

Use CVE-2016-9675 for this vulnerability, stated to have a "crash or
possible code execution" impact, that results from mistakenly using
the comp0size variable (instead of compcsize).

- -- 
CVE Assignment Team
M/S M300, 202 Burlington Road, Bedford, MA 01730 USA
[ A PGP key is available for encrypted communications at
  http://cve.mitre.org/cve/request_id.html ]
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