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Date: Sat, 3 Jan 2015 17:30:44 -0500 (EST)
From: cve-assign@...re.org
To: Moritz Muehlenhoff <jmm@...ian.org>
cc: Vasyl Kaigorodov <vkaigoro@...hat.com>, cve-assign@...re.org,
        oss-security@...ts.openwall.com, 772008@...s.debian.org
Subject: Re: CVE request:  mpfr: buffer overflow in mpfr_strtofr


On Tue, 30 Dec 2014, Moritz Muehlenhoff wrote:

> On Mon, Dec 08, 2014 at 01:45:12PM +0100, Vasyl Kaigorodov wrote:
>> Hello,
>>
>> A buffer overflow was reported [1] in mpfr.
>> This is due to incorrect GMP documentation for mpn_set_str about the
>> size of a buffer (discussion is at [1]; first fix in the GMP
>> documentation is at [2]). This bug is present in the MPFR versions
>> from 2.1.0 (adding mpfr_strtofr) to this one, and can be detected by
>> running "make check" in a 32-bit ABI under GNU/Linux with alloca
>> disabled (this is currently possible by using the --with-gmp-build
>> configure option where alloca has been disabled in the GMP build). It
>> is fixed by the strtofr patch [3].
>> Corresponding changeset in the 3.1 branch: 9110 [4].
>>
>> [1]: https://gmplib.org/list-archives/gmp-bugs/2013-December/003267.html
>> [2]: https://gmplib.org/repo/gmp-5.1/raw-rev/d19172622a74
>> [3]: http://www.mpfr.org/mpfr-3.1.2/patch11
>> [4]: https://gforge.inria.fr/scm/viewvc.php?view=rev&root=mpfr&revision=9110
>>
>> References:
>> - https://bugzilla.redhat.com/show_bug.cgi?id=1171701
>> - https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=772008
>>
>> Can a CVE be assigned to this please?

Use CVE-2014-9474.

---

CVE assignment team, MITRE CVE Numbering Authority M/S M300
202 Burlington Road, Bedford, MA 01730 USA
[ PGP key available through http://cve.mitre.org/cve/request_id.html ]

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