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

http://security.gentoo.org/

Severity:	normal
Title:	phpBB: Cross-Site Scripting Vulnerability
Date:	05/14/2005
Bugs:	#90213
ID:	200505-10

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

Package	Vulnerable	Unaffected	Architecture(s)
www-apps/phpBB	< 2.0.15	>= 2.0.15	All supported architectures

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 ">=www-apps/phpBB-2.0.15"

References

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 https://bugs.gentoo.org.