phpBB 2.0.17 and earlier, when the register_long_arrays directive is disabled, allows remote attackers to modify global variables and bypass security mechanisms because PHP does not define the associated HTTP_* variables.Referenceshttp://www.osvdb.org/20414http://marc.info/?l=bugtraq&m=113081113317600&w=2http://www.debian.org/security/2005/dsa-925http://secunia.com/advisories/17366http://securityreason.com/securityalert/130http://secunia.com/advisories/18098http://www.hardened-php.net/advisory_172005.75.htmlhttp://securitytracker.com/id?1015121http://www.securityfocus.com/bid/15243
