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CVE-2020-8566

Good to know:

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Date: December 7, 2020

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.

Language: Go

Severity Score

Related Resources (12)

https://github.com/kubernetes/kubernetes/pull/95245/commits/e91ec4fad3366d2dee020919f7c2a0d7b52fd3ea
https://security.netapp.com/advisory/ntap-20210122-0006
https://github.com/kubernetes/kubernetes
https://bugzilla.redhat.com/show_bug.cgi?id=1886640
https://github.com/kubernetes/kubernetes/issues/95624
https://nvd.nist.gov/vuln/detail/CVE-2020-8566
https://github.com/kubernetes/kubernetes/pull/95245
https://groups.google.com/g/kubernetes-announce/c/ScdmyORnPDk
https://github.com/advisories/GHSA-5x96-j797-5qqw
https://groups.google.com/g/kubernetes-security-discuss/c/vm-HcrFUOCs/m/36utxAM5CwAJ
https://security.netapp.com/advisory/ntap-20210122-0006/
https://www.mend.io/vulnerability-database/CVE-2020-8566

Severity Score

Weakness Type (CWE)

Information Exposure Through Log Files

CWE-532

Top Fix

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CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): HIGH
Privileges Required (PR): LOW
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): NONE
Availability (A): NONE

CVSS v2

Base Score:
Access Vector (AV): LOCAL
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): PARTIAL
Integrity (I): NONE
Availability (A): NONE
Additional information:

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