[ GLSA 200903-13 ] MPFR: Denial of Service
From: Robert Buchholz <rbu@gentoo.org.>
To: [email protected]
Subject: [ GLSA 200903-13 ] MPFR: Denial of Service
Date: Mon, 9 Mar 2009 14:07:38 +0100
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Gentoo Linux Security Advisory GLSA 200903-13
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http://security.gentoo.org/
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Severity: Normal
Title: MPFR: Denial of Service
Date: March 09, 2009
Bugs: #260968
ID: 200903-13
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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
[email protected] 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
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