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[ GLSA 201203-20 ] Logwatch: Arbitrary code execution

 

 

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ackle at gentoo

Mar 28, 2012, 3:53 AM

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[ GLSA 201203-20 ] Logwatch: Arbitrary code execution

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Gentoo Linux Security Advisory GLSA 201203-20
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http://security.gentoo.org/
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Severity: High
Title: Logwatch: Arbitrary code execution
Date: March 28, 2012
Bugs: #356387
ID: 201203-20

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Synopsis
========

A vulnerability in Logwatch might allow remote attackers to execute
arbitrary code.

Background
==========

Logwatch analyzes and reports on system logs.

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

-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 sys-apps/logwatch < 7.4.0 >= 7.4.0

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

logwatch.pl does not properly sanitize log filenames against shell
metacharacters before passing them to the "system()" function.

Impact
======

A remote attacker could pass a specially crafted log filename to
Logwatch, possibly resulting in execution of arbitrary code with root
privileges or a Denial of Service condition.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All Logwatch users should upgrade to the latest version:

# emerge --sync
# emerge --ask --oneshot --verbose ">=sys-apps/logwatch-7.4.0"

References
==========

[ 1 ] CVE-2011-1018
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2011-1018

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

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

http://security.gentoo.org/glsa/glsa-201203-20.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 or alternatively, you may file a bug at
https://bugs.gentoo.org.

License
=======

Copyright 2012 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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