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CVE-2022-39272

5.0 · MEDIUM

Flux is an open and extensible continuous delivery solution for Kubernetes.

Published Oct 22, 2022CWE-1284EPSS 0.68%

Overview

CVE-2022-39272 is a medium-severity vulnerability. It was published on October 22, 2022 and has a CVSS 3.1 base score of 5.0 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 5.0, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical description

Flux is an open and extensible continuous delivery solution for Kubernetes. Versions prior to 0.35.0 are subject to a Denial of Service. Users that have permissions to change Flux’s objects, either through a Flux source or directly within a cluster, can provide invalid data to fields `.spec.interval` or `.spec.timeout` (and structured variations of these fields), causing the entire object type to stop being processed. This issue is patched in version 0.35.0. As a workaround, Admission controllers can be employed to restrict the values that can be used for fields `.spec.interval` and `.spec.timeout`, however upgrading to the latest versions is still the recommended mitigation.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

GitHubgithub.com/fluxcd/flux2/security/advisories/GHSA-f4p5-x4vc-mh4vGitHubgithub.com/kubernetes/apimachinery/issues/131GitHubgithub.com/fluxcd/flux2/security/advisories/GHSA-f4p5-x4vc-mh4vGitHubgithub.com/kubernetes/apimachinery/issues/131

How CyberStrike helps

Frequently asked questions

What is CVE-2022-39272?

CVE-2022-39272 is a medium-severity vulnerability. It was published on October 22, 2022 and has a CVSS 3.1 base score of 5.0 (MEDIUM).

How severe is CVE-2022-39272?

This vulnerability has a CVSS 3.1 base score of 5.0, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2022-39272?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2022-39272?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2022-39272 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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