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Ranjivost programske biblioteke MPFR

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Gentoo Linux Security Advisory GLSA 201512-06
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https://security.gentoo.org/
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Severity: Normal
Title: MPFR: User-assisted execution of arbitrary code
Date: December 30, 2015
Bugs: #532028
ID: 201512-06

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Synopsis
========

A buffer overflow vulnerability in MPFR could allow remote attackers to
execute arbitrary code or cause 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 < 3.1.3_p4 >= 3.1.3_p4

Description
===========

MPFR fails to adequately check user-supplied input, which could lead to
a buffer overflow.

Impact
======

A remote attacker could possibly execute arbitrary code with the
privileges of the process or cause a Denial of Service condition.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All MPFR users should upgrade to the latest version:

# emerge –sync
# emerge –ask –oneshot –verbose “>=dev-libs/mpfr-3.1.3_p4”

References
==========

[ 1 ] CVE-2014-9474
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-9474

Availability
============

This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:

https://security.gentoo.org/glsa/201512-06

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 2015 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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