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Kubernetes: CVE-2020-8559: Privilege escalation from compromised node to cluster

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Kubernetes: CVE-2020-8559: Privilege escalation from compromised node to cluster

Severity
6
CVSS
(AV:N/AC:M/Au:S/C:P/I:P/A:P)
Published
07/22/2020
Created
08/08/2020
Added
08/07/2020
Modified
08/07/2020

Description

The Kubernetes kube-apiserver in versions v1.6-v1.15, and versions prior to v1.16.13, v1.17.9 and v1.18.6 are vulnerable to an unvalidated redirect on proxied upgrade requests that could allow an attacker to escalate privileges from a node compromise to a full cluster compromise.

Solution(s)

  • kubernetes-upgrade-1_16_13
  • kubernetes-upgrade-1_17_9
  • kubernetes-upgrade-1_18_6

References

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