This vulnerability is only present when the register_globals PHP option is set to 'on'. This has not been the default setting for PHP installs since version 4.2.0 (22-Apr-2002).
Vendor URL: http://nxsystems.org/
Secunia Advisory ID:22627
Generic Exploit URL: http://www.milw0rm.com/exploits/2659
FrSIRT Advisory: ADV-2006-4227
Bugtraq ID: 20773