CVE-2020-8559: Privilege Escalation in Kubernetes
(updated )
The Kubernetes kube-apiserver in versions v1.6-v1.15, and versions prior to v1.16.13, v1.17.9 and v1.18.7 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.
References
- bugzilla.redhat.com/show_bug.cgi?id=1851422
- github.com/advisories/GHSA-33c5-9fx5-fvjm
- github.com/kubernetes/kubernetes
- github.com/kubernetes/kubernetes/issues/92914
- github.com/kubernetes/kubernetes/pull/92941
- github.com/tdwyer/CVE-2020-8559
- groups.google.com/d/msg/kubernetes-security-announce/JAIGG5yNROs/19nHQ5wkBwAJ
- groups.google.com/g/kubernetes-security-announce/c/JAIGG5yNROs
- nvd.nist.gov/vuln/detail/CVE-2020-8559
- security.netapp.com/advisory/ntap-20200810-0004
Code Behaviors & Features
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