CVE-2020-8566

Ceph RBD adminSecrets exposed in logs when loglevel >= 4

State: Published
Severity: 4.7 Medium
Published: Dec 7, 2020
Updated: Sep 16, 2024
Reserved: Feb 3, 2020

Description

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.

Scores

CVSS	Score	Vector	Source
3.1	4.7 Medium	CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N	kubernetes

Weaknesses

CWE-532 Information Exposure Through Log Files

Affected Products

Product	Versions
KubernetesKubernetes	< 1.19.3Affected < 1.18.10Affected < 1.17.13Affected

References

Multiple secret leaks when verbose logging is enabledmailing-list
https://github.com/kubernetes/kubernetes/issues/95624
https://security.netapp.com/advisory/ntap-20210122-0006/

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