CVE-2020-8566 Information

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.

CVSS Vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Reference

https://github.com/kubernetes/kubernetes/issues/95624 https://groups.google.com/g/kubernetes-security-discuss/c/vm-HcrFUOCs/m/36utxAM5CwAJ https://security.netapp.com/advisory/ntap-20210122-0006/

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

NONE

Base Score

NONE

Base Severity

5.5