phpBB: Arbitrary command execution

1. Gentoo Linux Security Advisory

Advisory Reference	GLSA 200507-03 / phpBB
Release Date	July 04, 2005
Latest Revision	September 03, 2005: 03
Impact	high
Exploitable	remote

Package	Vulnerable versions	Unaffected versions	Architecture(s)
www-apps/phpBB	< 2.0.16	>= 2.0.16	All supported architectures

Related bugreports: #97278

Synopsis

A vulnerability in phpBB allows a remote attacker to execute arbitrary commands with the rights of the web server.

2. Impact Information

Background

phpBB is an Open Source bulletin board package.

Description

Ron van Daal discovered that phpBB contains a vulnerability in the highlighting code.

Impact

Successful exploitation would grant an attacker unrestricted access to the PHP exec() or system() functions, allowing the execution of arbitrary commands with the rights of the web server.

3. Resolution Information

Workaround

Please follow the instructions given in the phpBB announcement.

Resolution

The phpBB package is no longer supported by Gentoo Linux and has been masked in the Portage repository, no further announcements will be issued regarding phpBB updates. Users who wish to continue using phpBB are advised to monitor and refer to www.phpbb.com for more information.

To continue using the Gentoo-provided phpBB package, please refer to the Portage documentation on unmasking packages and upgrade to 2.0.16.

4. References

Updated July 04, 2005

Summary: This is a Gentoo Linux Security Advisory

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