[gentoo-announce] [ GLSA 200812-10 ] Archive::Tar: Directory traversal vulnerability

[news 28]

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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