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MPFR: Denial of Service

Content:

1.  Gentoo Linux Security Advisory

Version Information

Advisory Reference GLSA 200903-13 / mpfr
Release Date March 09, 2009
Latest Revision March 09, 2009: 01
Impact normal
Exploitable remote
Package Vulnerable versions Unaffected versions Architecture(s)
dev-libs/mpfr < 2.4.1 >= 2.4.1 All supported architectures

Related bugreports: #260968

Synopsis

Multiple buffer overflows in MPFR might lead to a Denial of Service.

2.  Impact Information

Background

MPFR is a library for multiple-precision floating-point computations with exact rounding.

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.

3.  Resolution Information

Workaround

There is no known workaround at this time.

Resolution

All MPRF users should upgrade to the latest version:

Code Listing 3.1: Resolution

# emerge --sync
# emerge --ask --oneshot --verbose ">=dev-libs/mpfr-2.4.1"

4.  References



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Page updated March 09, 2009

Summary: This is a Gentoo Linux Security Advisory

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