CVE-2021-41254 Privilege escalation to cluster admin on multi-tenant environments

kustomize-controller is a Kubernetes operator, specialized in running continuous delivery pipelines for infrastructure and workloads defined with Kubernetes manifests and assembled with Kustomize. Users that can create Kubernetes Secrets, Service Accounts and Flux Kustomization objects, could...

CVE-2021-41254

CVE-2021-41254 affects the Flux CD kustomize-controller, allowing authenticated users who can create Secrets, Service Accounts, and Flux Kustomization objects to have the controller execute shell commands inside its container via embedded Secrets. This enables running kubectl under the controller...