Policy sets insecure default privilege escalation control Affecting Pod Security Policy service in Kubernetes
Severity Framework
CCSS (Common Configuration Scoring System) is a set of measures used to determine the severity of the rule.
Snyk CCSS
Rule category
Each rule is associated with a high-level category. For example IAM, Container, Monitoring, Logging, Network, etc.
Data/ Access
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- Snyk IDSNYK-CC-00444
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Description
All containers may be allowed to escalate privileges unless allowPrivilegeEscalation attribute is set to false. This stops the container from gaining more privileges than its parent process.
How to fix?
Ensure that the defaultAllowPrivilegeEscalation field is set to false.
Example Configuration
apiVersion: policy/v1beta1
kind: PodSecurityPolicy
metadata:
name: p
spec:
defaultAllowPrivilegeEscalation: false
# other required fields here