In all Kubernetes versions prior to v1.11.8, v1.12.6, and v1.13.4,...
Vulnerability Description
In all Kubernetes versions prior to v1.11.8, v1.12.6, and v1.13.4, users that are authorized to make patch requests to the Kubernetes API Server can send a specially crafted patch of type "json-patch" (e.g. `kubectl patch --type json` or `"Content-Type: application/json-patch+json"`) that consumes excessive resources while processing, causing a Denial of Service on the API Server.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:
- Reported by Carl Henrik Lunde
References
- http://www.securityfocus.com/bid/107290
- https://groups.google.com/forum/#%21topic/kubernetes-announce/vmUUNkYfG9g
- https://github.com/kubernetes/kubernetes/issues/74534
- https://security.netapp.com/advisory/ntap-20190416-0002/
- https://access.redhat.com/errata/RHSA-2019:1851
- https://access.redhat.com/errata/RHSA-2019:3239
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Kubernetes
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Timeline
CVSS Vectors
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.