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A Non-Expiring AKS Deployment Token Could Read Secrets Across Three Namespaces

By Ahmed Tariq 1 min read 0 views 0 comments
A Non-Expiring AKS Deployment Token Could Read Secrets Across Three Namespaces
Image: DZone

A security review started after connection strings were visible through a Kubernetes management tool. The first request sounded simple: remove Secrets from the cluster and move the values to Azure Key Vault.

That request focused on which system stored the values. The access review found a wider problem. Kubernetes stored a deployment service account's legacy token in a kubernetes.io/service-account-token Secret. The token had no expiry in its normal use, and RoleBindings allowed the same identity to operate in three application namespaces.

DZone Original story · dzone.com
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