[ GLSA 200903-13 ] MPFR: Denial of Service
From: Robert Buchholz <rbu@gentoo.org.>
To: gentoo-announce@gentoo.org
Subject: [ GLSA 200903-13 ] MPFR: Denial of Service
Date: Mon, 9 Mar 2009 14:07:38 +0100
User-Agent: KMail/1.9.9
Cc: bugtraq@securityfocus.com, full-disclosure@lists.grok.org.uk,
security-alerts@linuxsecurity.com
MIME-Version: 1.0
Content-Type: multipart/signed;
boundary="nextPart1767969.lzjCbroXV4";
protocol="application/pgp-signature";
micalg=pgp-sha1
Content-Transfer-Encoding: 7bit
Message-Id: <200903091407.45911.rbu@gentoo.org.>
X-Virus-Scanned: antivirus-gw at tyumen.ru
--nextPart1767969.lzjCbroXV4
Content-Type: text/plain;
charset="us-ascii"
Content-Transfer-Encoding: 7bit
Content-Disposition: inline
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Gentoo Linux Security Advisory GLSA 200903-13
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
http://security.gentoo.org/
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Severity: Normal
Title: MPFR: Denial of Service
Date: March 09, 2009
Bugs: #260968
ID: 200903-13
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Synopsis
========
Multiple buffer overflows in MPFR might lead to a Denial of Service.
Background
==========
MPFR is a library for multiple-precision floating-point computations
with exact rounding.
Affected packages
=================
-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 dev-libs/mpfr < 2.4.1 >= 2.4.1
Description
===========
Multiple buffer overflows have been reported in the mpfr_snprintf() and
mpfr_vsnprintf() functions.
Impact
======
A remote user could exploit the vulnerability to cause a Denial of
Service in an application using MPFR via unknown vectors.
Workaround
==========
There is no known workaround at this time.
Resolution
==========
All MPRF users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=dev-libs/mpfr-2.4.1"
References
==========
[ 1 ] CVE-2009-0757
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-0757
Availability
============
This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:
http://security.gentoo.org/glsa/glsa-200903-13.xml
Concerns?
=========
Security is a primary focus of Gentoo Linux and ensuring the
confidentiality and security of our users machines is of utmost
importance to us. Any security concerns should be addressed to
security@gentoo.org or alternatively, you may file a bug at
http://bugs.gentoo.org.
License
=======
Copyright 2009 Gentoo Foundation, Inc; referenced text
belongs to its owner(s).
The contents of this document are licensed under the
Creative Commons - Attribution / Share Alike license.
http://creativecommons.org/licenses/by-sa/2.5
--nextPart1767969.lzjCbroXV4
Content-Type: application/pgp-signature; name=signature.asc
Content-Description: This is a digitally signed message part.
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v2.0.9 (GNU/Linux)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=BmbH
-----END PGP SIGNATURE-----
--nextPart1767969.lzjCbroXV4--
