[gentoo-announce] [ GLSA 200903-13 ] MPFR: Denial of Service

[news 28]

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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

security ( -at -) 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