GLSA 200903-13: MPFR: Denial of Service

Severity:normal
Title:MPFR: Denial of Service
Date:03/09/2009
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 Architecture(s)
dev-libs/mpfr < 2.4.1 >= 2.4.1 All supported architectures

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

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 https://bugs.gentoo.org.

License

Copyright 2010 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.

Thank you!