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nvd[email protected]NVD:CVE-2020-8566
HistoryDec 07, 2020 - 10:15 p.m.

CVE-2020-8566

2020-12-0722:15:21
CWE-532
web.nvd.nist.gov
7
kubernetes
ceph rbd
storage provisioner
insecure logging
admin secrets

CVSS2

2.1

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

AV:L/AC:L/Au:N/C:P/I:N/A:N

CVSS3

5.5

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

AI Score

5.1

Confidence

High

EPSS

0.001

Percentile

17.2%

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 configurations

Nvd
Node
kuberneteskubernetesRange1.17.01.17.13
OR
kuberneteskubernetesRange1.18.01.18.10
OR
kuberneteskubernetesRange1.19.01.19.3
VendorProductVersionCPE
kuberneteskubernetes*cpe:2.3:a:kubernetes:kubernetes:*:*:*:*:*:*:*:*

CVSS2

2.1

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

AV:L/AC:L/Au:N/C:P/I:N/A:N

CVSS3

5.5

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

AI Score

5.1

Confidence

High

EPSS

0.001

Percentile

17.2%