CVE-2020-8566 Ceph RBD adminSecrets exposed in logs when loglevel >= 4

2020-10-1500:00:00

CWE-532

kubernetes

www.cve.org

4.7 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

5.5 Medium

AI Score

Confidence

High

0.0005 Low

EPSS

Percentile

17.2%

JSON

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.

CNA Affected

[
  {
    "product": "Kubernetes",
    "vendor": "Kubernetes",
    "versions": [
      {
        "status": "affected",
        "version": "< 1.19.3"
      },
      {
        "status": "affected",
        "version": "< 1.18.10"
      },
      {
        "status": "affected",
        "version": "< 1.17.13"
      }
    ]
  }
]