Google WAF bypassed via oversized POST requests

03-Mar-22

UPDATED Due to security flaws in Google’s default web application firewall (WAF), it is easy to circumvent the company’s cloud-based protections.

Researchers from security firm Kloudle discovered that by sending a POST request larger than 8KB in size, they were able to circumvent both Google Cloud Platform (GCP) and Amazon Web Services (AWS) web app firewalls.

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