Symantec Web Gateway blocked_file.php Remote Code Execution Exploit

The spywall/blocked_file.php script of Symantec Web Gateway allows remote unauthenticated users to upload files with arbitrary extensions. This can be abused by attackers to execute arbitrary PHP code on vulnerable systems.
Platform: 
Vulnerabilty ID: 
CVE-2012-0299
Product Version: 
12.3
Released Date: 
Tuesday, July 24, 2012 - 00:00