11)Consider the following CSRF attack: ww.attacker.com GET /blog HTTP/1.1 POST /transfer HTTP/1.1 Referer: http://www.attacker.com/blog recipient attacker&amount $100 Cookle: SessionID=523FA4cd2E HTTP/1.1 200 OK Transfer completel www.bank.com a. One possible defense that the bank could adopt to block the attack above is to check the referer to ensure that it comes from the bank. Describe a plausible situation where this defense would NOT work. b. Describe a more robust defense that the bank could adopt to block the CSRF attack without experiencing the limitation identified in part (a), and explain how it would block the attack.

11)Consider the following CSRF attack: ww.attacker.com GET /blog HTTP/1.1 POST /transfer HTTP/1.1 Referer: http://www.attacker.com/blog recipient attacker&amount $100 Cookle: SessionID=523FA4cd2E HTTP/1.1 200 OK Transfer completel www.bank.com a. One possible defense that the bank could adopt to block the attack above is to check the referer to ensure that it comes from the bank. Describe a plausible situation where this defense would NOT work. b. Describe a more robust defense that the bank could adopt to block the CSRF attack without experiencing the limitation identified in part (a), and explain how it would block the attack.

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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