update description

Author: firefart

modules/exploits/multi/http/joomla_http_header_rce.rb

@@ -14,7 +14,7 @@ def initialize(info = {})
     super(update_info(info,
       'Name'           => 'Joomla HTTP Header Unauthenticated Remote Code Execution',
       'Description'    => %q{
-          Joomla suffers from an unauthenticated remote code execution that affects all versions from 1.5 to 3.4.
+          Joomla suffers from an unauthenticated remote code execution that affects all versions from 1.5.0 to 3.4.5.
           By storing user supplied headers in the databases session table it's possible to truncate the input
           by sending an UTF-8 character. The custom created payload is then executed once the session is read
           from the databse. You also need to have a PHP version before 5.4.45 (including 5.3.x), 5.5.29 or 5.6.13.