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  in mpfr. > This is due to incorrect GMP documentation for mpn_set_str about the > size of a buffer (discussion is at ; first fix in the GMP > documentation is at ). 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 . > Corresponding changeset in the 3.1 branch: 9110 . > > : https://gmplib.org/list-archives/gmp-bugs/2013-December/003267.html > : https://gmplib.org/repo/gmp-5.1/raw-rev/d19172622a74 > : http://www.mpfr.org/mpfr-3.1.2/patch11 > : 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
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