Explore a critical vulnerability discovered in AWS CloudFormation service in this 42-minute webinar from Nullcon 2022. Delve into the specifics of an XXE vulnerability that led to local file disclosure and SSRF, allowing access to sensitive data. Learn about the potential impact on AWS customers, the disclosure process with a major cloud provider, and the steps taken to ensure the vulnerability was patched. Gain insights into the anatomy of cloud provider service vulnerabilities, inherent security risks in cloud services, and potential future research avenues. Presented by Tzah Pahima, a cloud security researcher at Orca Security specializing in vulnerability research and web security, this talk offers valuable knowledge for those interested in cloud security, AWS infrastructure, and cybersecurity in general.