CVE-2020-8566
4.7
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
Summary
In Kubernetes clusters using Ceph RBD as a storage provisioner, with logging level of at least 4, Ceph RBD admin secrets can be written to logs. This occurs in kube-controller-manager's logs during provisioning of Ceph RBD persistent claims. This affects < v1.19.3, < v1.18.10, < v1.17.13.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Kubernetes | Kubernetes | < 1.19.3 | affected |
| Kubernetes | Kubernetes | < 1.18.10 | affected |
| Kubernetes | Kubernetes | < 1.17.13 | affected |
Weaknesses
- CWE-532: CWE-532 Information Exposure Through Log Files
Workarounds
Do not enable verbose logging in production (log level >= 4), limit access to logs.
ADP Enrichment
CVE Program Container
Additional References
- https://groups.google.com/g/kubernetes-security-discuss/c/vm-HcrFUOCs/m/36utxAM5CwAJ
- https://github.com/kubernetes/kubernetes/issues/95624
- https://security.netapp.com/advisory/ntap-20210122-0006/
References
- https://groups.google.com/g/kubernetes-security-discuss/c/vm-HcrFUOCs/m/36utxAM5CwAJ
- https://github.com/kubernetes/kubernetes/issues/95624
- https://security.netapp.com/advisory/ntap-20210122-0006/
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