[News]

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Gentoo Linux Security Advisory GLSA 200812-10
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http://security.gentoo.org/
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Severity: Normal
Title: Archive::Tar: Directory traversal vulnerability
Date: December 10, 2008
Bugs: #192989
ID: 200812-10

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Synopsis
========

A directory traversal vulnerability has been discovered in
Archive::Tar.

Background
==========

Archive::Tar is a Perl module for creation and manipulation of tar
files.

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

-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 perl-core/Archive-Tar < 1.40 >= 1.40

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

Jonathan Smith of rPath reported that Archive::Tar does not check for
".." in file names.

Impact
======

A remote attacker could entice a user or automated system to extract a
specially crafted tar archive, overwriting files at arbitrary locations
outside of the specified directory.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All Archive::Tar users should upgrade to the latest version:

# emerge --sync
# emerge --ask --oneshot --verbose ">=perl-core/Archive-Tar-1.40"

References
==========

[ 1 ] CVE-2007-4829
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-4829

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

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

http://security.gentoo.org/glsa/glsa-200812-10.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.org or alternatively, you may file a bug at
http://bugs.gentoo.org.

License
=======

Copyright 2008 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