CVE-2022-39272
Versions prior to 0.35.0 are subject to a Denial of Service.
Does this matter?
Lower severity and a low EPSS score (0.66%). Track it; it rarely justifies an emergency change on its own.
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.
- CVSS 3.1
- 4.3 MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
- EPSS
- 0.66% probability · 50th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-1284
- Affected
- fluxcd/flux2 · fluxcd/helm-controller · fluxcd/image-automation-controller · fluxcd/image-reflector-controller · fluxcd/kustomize-controller · fluxcd/notification-controller · fluxcd/source-controller
- Source
- security-advisories@github.com
References
- https://github.com/fluxcd/flux2/security/advisories/GHSA-f4p5-x4vc-mh4vThird Party Advisory
- https://github.com/kubernetes/apimachinery/issues/131Issue Tracking, Patch, Third Party Advisory
- https://github.com/fluxcd/flux2/security/advisories/GHSA-f4p5-x4vc-mh4vThird Party Advisory
- https://github.com/kubernetes/apimachinery/issues/131Issue Tracking, Patch, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.