update links and CVE on webnms_file_upload

Author: Pedro Ribeiro

modules/exploits/multi/http/webnms_file_upload.rb

@@ -32,8 +32,9 @@ def initialize(info = {})
           ],
         'License'      => MSF_LICENSE,
         'References'   =>
-          [
-            [ 'URL', 'https://blogs.securiteam.com/index.php/archives/2712' ]
+            [ 'CVE', '2016-6600'],
+            [ 'URL', 'https://blogs.securiteam.com/index.php/archives/2712' ],
+            [ 'URL', 'http://seclists.org/fulldisclosure/2016/Aug/54' ]
           ],
         'DefaultOptions' => { 'WfsDelay' => 15 },
         'Privileged'   => false,