DDOS attack by uploading a few hundred large files

Description can normal user upload the photo to the profile not allowed photo more than 2 MB i can upload photo more allowed limit Proof of Concept https://drive.google.com/file/d/1jh0n9kOoFvW-esHgpOtPeURTYjSIhDm/view?usp=sharing...

PT-2014-6121

Name of the Vulnerable Software and Affected Versions IBM WebSphere Portal versions 6.1.0 through 6.1.0.6 CF27 IBM WebSphere Portal versions 6.1.5 through 6.1.5.3 CF27 IBM WebSphere Portal versions 7.0.0 through 7.0.0.2 CF28 IBM WebSphere Portal versions 8.0.0 through 8.0.0.1 CF13 IBM WebSphere...