db.php in phpBB 2.0 (aka phpBB2) RC-3 and earlier allows remote attackers to execute arbitrary code from remote servers via the phpbb_root_path parameter.
archives.neohapsis.com/archives/bugtraq/2002-03/0221.html
archives.neohapsis.com/archives/bugtraq/2002-03/0229.html
online.securityfocus.com/archive/82/262600
phpbb.sourceforge.net/phpBB2/viewtopic.php?t=9483
prdownloads.sourceforge.net/phpbb/phpBB-2.0.1.zip
www.iss.net/security_center/static/8476.php
www.osvdb.org/4268
www.securityfocus.com/bid/4380