How One Kubernetes YAML Can Hand Over a GCP Organization
Summary
A vulnerability in Google Kubernetes Config Connector allows a Kubernetes user with limited permissions to escalate privileges and gain control of an entire Google Cloud organization. This is achieved through a single Kubernetes YAML file by exploiting a confused deputy problem.
IFF Assessment
This vulnerability allows for significant privilege escalation in a cloud environment, which is detrimental to defenders.
Severity
The vulnerability allows for complete takeover of a Google Cloud organization, indicating a critical impact. The attack vector is a single configuration file, suggesting high exploitability with minimal prerequisites.
Defender Context
This highlights the critical importance of secure configuration management in cloud-native environments, especially when using tools like Kubernetes Config Connector. Defenders must implement strict access controls and regularly audit configurations to prevent such privilege escalation attacks.