CVE Vulnerabilities

CVE-2020-8566

Insertion of Sensitive Information into Log File

Published: Dec 07, 2020 | Modified: Nov 21, 2024
CVSS 3.x
5.5
MEDIUM
Source:
NVD
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
CVSS 2.x
2.1 LOW
AV:L/AC:L/Au:N/C:P/I:N/A:N
RedHat/V2
RedHat/V3
5.3 MODERATE
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
Ubuntu
MEDIUM

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-managers logs during provisioning of Ceph RBD persistent claims. This affects < v1.19.3, < v1.18.10, < v1.17.13.

Weakness

The product writes sensitive information to a log file.

Affected Software

Name Vendor Start Version End Version
Kubernetes Kubernetes 1.17.0 (including) 1.17.13 (excluding)
Kubernetes Kubernetes 1.18.0 (including) 1.18.10 (excluding)
Kubernetes Kubernetes 1.19.0 (including) 1.19.3 (excluding)
Red Hat OpenShift Container Platform 4.6 RedHat openshift4/ose-hyperkube:v4.6.0-202101090040.p0 *
Red Hat OpenShift Container Platform 4.7 RedHat openshift-0:4.7.0-202102060108.p0.git.97095.7271b90.el7 *
Kubernetes Ubuntu focal *
Kubernetes Ubuntu groovy *
Kubernetes Ubuntu hirsute *
Kubernetes Ubuntu impish *
Kubernetes Ubuntu kinetic *
Kubernetes Ubuntu lunar *
Kubernetes Ubuntu mantic *
Kubernetes Ubuntu oracular *

Potential Mitigations

References