[ GLSA 200606-08 ] WordPress: Arbitrary command execution

[GLSA]

Gentoo Linux Security Advisory

Title: WordPress: Arbitrary command execution (GLSA 200606-08)
Severity: high
Exploitable: remote
Date: June 09, 2006
Updated: June 10, 2006
Bug(s): #134397
ID: 200606-08

Synopsis

WordPress fails to sufficiently check the format of cached username data.

Background

WordPress is a PHP and MySQL based content management and publishing system.

Affected Packages

Package: www-apps/wordpress
Vulnerable: < 2.0.3
Unaffected: >= 2.0.3
Architectures: All supported architectures


Description

rgod discovered that WordPress insufficiently checks the format of cached username data.

Impact

An attacker could exploit this vulnerability to execute arbitrary commands by sending a specially crafted username. As of Wordpress 2.0.2 the user data cache is disabled by default.

Workaround

There are no known workarounds at this time.

Resolution

All WordPress users should upgrade to the latest available version: