Improper input validation in the Kubernetes API server in versions v1.0-1.12 and versions prior to v1.13.12, v1.14.8, v1.15.5, and v1.16.2 allows authorized users to send malicious YAML or JSON payloads, causing the API server to consume excessive CPU or memory, potentially crashing and becoming unavailable. Prior to v1.14.0, default RBAC policy authorized anonymous users to submit requests that could trigger this vulnerability. Clusters upgraded from a version prior to v1.14.0 keep the more permissive policy by default for backwards compatibility.
References
Link | Resource |
---|---|
https://groups.google.com/forum/#!topic/kubernetes-security-announce/jk8polzSUxs | Mailing List Third Party Advisory |
https://github.com/kubernetes/kubernetes/issues/83253 | Exploit Issue Tracking Mitigation Third Party Advisory |
https://access.redhat.com/errata/RHSA-2019:3239 | Third Party Advisory |
https://security.netapp.com/advisory/ntap-20191031-0006/ | Third Party Advisory |
https://access.redhat.com/errata/RHSA-2019:3811 | Third Party Advisory |
https://access.redhat.com/errata/RHSA-2019:3905 | Third Party Advisory |
Configurations
Configuration 1 (hide)
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Configuration 2 (hide)
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Information
Published : 2019-10-17 09:15
Updated : 2020-10-02 10:11
NVD link : CVE-2019-11253
Mitre link : CVE-2019-11253
JSON object : View
CWE
CWE-776
Improper Restriction of Recursive Entity References in DTDs ('XML Entity Expansion')
Products Affected
kubernetes
- kubernetes
redhat
- openshift_container_platform