CVE-2022-24878

Improper path handling in Kustomization files allows for denial of service

State: Published
Severity: 7.7 High
Published: May 6, 2022
Updated: Apr 23, 2025
Reserved: Feb 10, 2022

Description

Flux is an open and extensible continuous delivery solution for Kubernetes. Path Traversal in the kustomize-controller via a malicious `kustomization.yaml` allows an attacker to cause a Denial of Service at the controller level. Workarounds include automated tooling in the user's CI/CD pipeline to validate `kustomization.yaml` files conform with specific policies. This vulnerability is fixed in kustomize-controller v0.24.0 and included in flux2 v0.29.0. Users are recommended to upgrade.

Scores

CVSS	Score	Vector	Source
3.1	7.7 High	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H	GitHub_M

Weaknesses

CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

Affected Products

Product	Versions
flux2fluxcd	flux2 < v0.28.5, >= v0.19.0Affected kustomize < v0.29.0, >= v0.16.0Affected

References

https://github.com/fluxcd/flux2/security/advisories/GHSA-7pwf-jg34-hxwp

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