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Kubernetes: CVE-2020-8566: Ceph RBD adminSecrets exposed in logs

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Kubernetes: CVE-2020-8566: Ceph RBD adminSecrets exposed in logs

Severity
2
CVSS
(AV:L/AC:L/Au:N/C:P/I:N/A:N)
Published
12/07/2020
Created
12/22/2020
Added
12/21/2020
Modified
12/21/2020

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.

Solution(s)

  • kubernetes-upgrade-1_17_13
  • kubernetes-upgrade-1_18_10
  • kubernetes-upgrade-1_19_3

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