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.
CVSS Details
- CVSS 3.1 Base Score: 7.5
- CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alpine Linux | — | Upgrade containerd | Aug 22, 2024 | Oct 17, 2019 |
| Debian | — | Upgrade kubernetes | Jul 30, 2024 | Oct 17, 2019 |
| Kubernetes | — | Upgrade Kubernetes to version 1.16.2Upgrade Kubernetes to version 1.13.0Upgrade Kubernetes to version 1.13.12Upgrade Kubernetes to version 1.14.8Upgrade Kubernetes to version 1.15.5 | Oct 28, 2019 | Oct 17, 2019 |
| Oracle_linux | — | Upgrade kubeadmUpgrade kubeadm-upgradeUpgrade kubeletUpgrade kubectlUpgrade kubernetesUpgrade kubeadm-ha-setup | Feb 1, 2020 | Oct 17, 2019 |
| Redhat Openshift | — | Upgrade atomic-openshiftUpgrade openshift | Oct 17, 2019 | Sep 28, 2019 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Jan 20, 2025 | Oct 17, 2019 |
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