GLSA 200505-10: phpBB: Cross-Site Scripting Vulnerability

A phpBB security update is available for Gentoo Linux

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Gentoo Linux Security Advisory GLSA 200505-10
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http://security.gentoo.org/
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Severity: Normal
Title: phpBB: Cross-Site Scripting Vulnerability
Date: May 14, 2005
Bugs: #90213
ID: 200505-10

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Synopsis
=======

phpBB is vulnerable to a cross-site scripting attack that could allow arbitrary scripting code execution.

Background
=========

phpBB is an Open Source bulletin board package.

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

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Package / Vulnerable / Unaffected
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1 www-apps/phpBB lt; 2.0.15 gt;= 2.0.15

Description
==========

phpBB is vulnerable to a cross-site scripting vulnerability due to improper sanitization of user supplied input. Coupled with poor validation of BBCode URLs which may be included in a forum post, an unsuspecting user may follow a posted link triggering the vulnerability.

Impact
=====

Successful exploitation of the vulnerability could cause arbitrary scripting code to be executed in the browser of a user.

Workaround
=========

There are no known workarounds at this time.

Resolution
=========

All phpBB users should upgrade to the latest version:

emerge --sync
emerge --ask --oneshot --verbose "gt;=www-apps/phpbb-2.0.15"

References
=========

[ 1 ] BugTraq ID 13344
http://www.securityfocus.com/bid/13344/info/
[ 2 ] SecurityTracker ID 1013918
http://securitytracker.com/id?1013918

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

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

http://security.gentoo.org/glsa/glsa-200505-10.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@gentoo.org or alternatively, you may file a bug at http://bugs.gentoo.org.

License
======

Copyright 2005 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/2.0