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Gentoo Linux Security Advisory GLSA 201403-07
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http://security.gentoo.org/
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Severity: Normal
Title: grep: User-assisted execution of arbitrary code
Date: March 26, 2014
Bugs: #448246
ID: 201403-07

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Synopsis
========

A vulnerability in grep could result in execution of arbitrary code or
Denial of Service.

Background
==========

grep is the GNU regular expression matcher.

Affected packages
=================

——————————————————————-
Package / Vulnerable / Unaffected
——————————————————————-
1 sys-apps/grep < 2.12 >= 2.12

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

An integer overflow flaw has been discovered in grep.

Impact
======

An attacker could entice a user to run grep on a specially crafted
file, possibly resulting in execution of arbitrary code with the
privileges of the process or a Denial of Service condition.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All grep users should upgrade to the latest version:

# emerge –sync
# emerge –ask –oneshot –verbose “>=sys-apps/grep-2.12”

References
==========

[ 1 ] CVE-2012-5667
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-5667

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

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

http://security.gentoo.org/glsa/glsa-201403-07.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 2014 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

—
Mikle Kolyada
Gentoo Linux Developer

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