QID 377844

Date Published: 2023-01-04

QID 377844: Kubernetes Unauthorized Read of Custom Resources Vulnerability

Kubernetes is an open-source container-orchestration system for automating deployment, scaling, and management of containerized applications.

Affected version:
Kubernetes kube-apiserver including and prior to v1.25.3
Kubernetes kube-apiserver including and prior to v1.24.7
Kubernetes kube-apiserver including and prior to v1.23.13
Kubernetes kube-apiserver including and prior to v1.22.15
QID Detection Logic:(Authenticated)
The QID uses 'kubectl version' command to check for vulnerable versions of Kubernetes

Successful exploitation of the vulnerability may allow an attacker to authorized to list or watch one type of namespaced custom resource cluster-wide can read custom resources of a different type in the same API group without authorization.

CVSS V3 rated as Low - 0 severity.

CVSS V2 rated as Medium - 3.5 severity.

Solution

For more information please visit 113756

Workaround:
This vulnerability can be mitigated by avoiding granting cluster-wide list and watch permissions.

Vendor References

113756 - github.com/kubernetes/kubernetes/issues/113756

CVEs related to QID 377844

CVE-2022-3162 |

Software Advisories

Advisory ID	Software	Component	Link
113756			github.com/kubernetes/kubernetes/issues/113756

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