Follow @Openwall on Twitter for new release announcements and other news
[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Date: Tue, 30 Dec 2014 01:23:40 +0100
From: Moritz Muehlenhoff <jmm@...ian.org>
To: Vasyl Kaigorodov <vkaigoro@...hat.com>, cve-assign@...re.org
Cc: oss-security@...ts.openwall.com, 772008@...s.debian.org
Subject: Re: CVE request:  mpfr: buffer overflow in mpfr_strtofr

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?

This seems to have fallen through the cracks, adding cve-assign@...re.org
to CC.

Cheers,
        Moritz

Powered by blists - more mailing lists

Please check out the Open Source Software Security Wiki, which is counterpart to this mailing list.

Confused about mailing lists and their use? Read about mailing lists on Wikipedia and check out these guidelines on proper formatting of your messages.