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Message-Id: <20160714181602.59527B2E012@smtpvbsrv1.mitre.org>
Date: Thu, 14 Jul 2016 14:16:02 -0400 (EDT)
From: cve-assign@...re.org
To: idolf@...gle.com
Cc: cve-assign@...re.org, oss-security@...ts.openwall.com
Subject: Re: CVE request: Information leak in LibTIFF
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256
> I would like to request a CVE number for an information leak in LibTIFF,
> specifically in the file libtiff/tif_read.c.
>
> The vulnerability allows an attacker to specify a negative index into the
> file-content buffer and copy data from that position until the end of the
> buffer.
>
> This will allow an attacker to crash the process by accessing unmapped
> memory and (depending on how LibTIFF is used) might also allow an attacker
> to leak sensitive information.
>
> The issue is fixed in CVS HEAD with the commit:
>
> revision 1.49
> date: 2016-07-10 20:00:21 +0200; author: erouault;
> commitid: YhOZoKv5OA9gNNdz;
> * libtiff/tif_read.c: Fix out-of-bounds read on
> memory-mapped files in TIFFReadRawStrip1() and TIFFReadRawTile1()
> when stripoffset is beyond tmsize_t max value (reported by
> Mathias Svensson)
Use CVE-2016-6223.
- --
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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