Bypassing mountable secrets policy imposed by the ServiceAccount admission plugin
A security issue was discovered in Kubernetes where users may be able to launch containers that bypass the mountable secrets policy enforced by the ServiceAccount admission plugin when using containers, init containers, and ephemeral containers with the envFrom field populated. The policy ensures pods running with a service account may only reference secrets specified in the service account’s secrets field. Kubernetes clusters are only affected if the ServiceAccount admission plugin and the kubernetes.io/enforce-mountable-secrets annotation are used together with containers, init containers, and ephemeral containers with the envFrom field populated.
02 / AFFECTED SOFTWARE
Affected packages
144 explicit affected versions
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
Kubernetes allows bypassing mountable secrets policy imposed by the ServiceAccount admission plugin in k8s.io/kubernetes
A security issue was discovered in Kubernetes where users may be able to launch containers that bypass the mountable secrets policy enforced by the ServiceAccount admission plugin when using containers, init containers, and ephemeral containers with the envFrom field populated. The policy ensures pods running with a service account may only reference secrets specified in the service account’s secrets field. Kubernetes clusters are only affected if the ServiceAccount admission plugin and the kubernetes.io/enforce-mountable-secrets annotation are used together with containers, init containers, and ephemeral containers with the envFrom field populated.
A security issue was discovered in Kubernetes where users may be able to launch containers that bypass the mountable secrets policy enforced by the ServiceAccount admission plugin when using containers, init containers, and ephemeral containers with the envFrom field populated. The policy ensures pods running with a service account may only reference secrets specified in the service account’s secrets field. Kubernetes clusters are only affected if the ServiceAccount admission plugin and the kubernetes.io/enforce-mountable-secrets annotation are used together with containers, init containers, and ephemeral containers with the envFrom field populated.
05 / REFERENCES
Further evidence
- https://github.com/advisories/GHSA-pxhw-596r-rwq5
- https://github.com/kubernetes/kubernetes/commit/7c861b1ecad97e1ab9332c970c9294a72065111a
- https://github.com/kubernetes/kubernetes/issues/124336
- https://groups.google.com/g/kubernetes-security-announce/c/JxjHf7fkVd8/m/oVCzypyOAQAJ
- http://www.openwall.com/lists/oss-security/2024/04/16/4
- https://github.com/kubernetes/kubernetes
- https://github.com/kubernetes/kubernetes/commit/a619ca3fd3ee3c222d9df784622020de398076d2
- https://github.com/kubernetes/kubernetes/commit/f9fb6cf52a769a599a45e700375115c2ecc86e9b
- https://lists.fedoraproject.org/archives/list/[email protected]/message/QRYFHIQ6XRKRYBI2F5UESH67BJBQXUPT
- https://lists.fedoraproject.org/archives/list/[email protected]/message/WL54MTLGMTBZZO5PYGEGEBERTMADC4WC
- https://nvd.nist.gov/vuln/detail/CVE-2024-3177
- https://pkg.go.dev/vuln/GO-2024-2746
- https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/3xxx/CVE-2024-3177.json
- https://lists.fedoraproject.org/archives/list/[email protected]/message/QRYFHIQ6XRKRYBI2F5UESH67BJBQXUPT/
- https://lists.fedoraproject.org/archives/list/[email protected]/message/WL54MTLGMTBZZO5PYGEGEBERTMADC4WC/