Reported EKS IAM Authenticator Issue

Initial Publication Date: 2022/07/11 9:00 PST

A security researcher recently reported an issue with the AWS IAM Authenticator for Kubernetes, used by Amazon Elastic Kubernetes Service (EKS). The researcher identified a query parameter validation issue within the authenticator plugin when configured to use the “AccessKeyID” template parameter within query strings. This issue could have permitted a knowledgeable attacker to escalate privileges within a Kubernetes cluster. Customers who do not use the “AccessKeyID” parameter are not affected by this issue.

As …

authenticator iam