What is CVE-2022-24878?

CVE-2022-24878 is a high-severity vulnerability in Fluxcd Flux2, classified under Path Traversal. CVSS score: 7.7/10. Published 2022-05-06.

How severe is CVE-2022-24878?

High severity. CVSS v3 base score is 7.7 out of 10.

Path Traversal in Fluxcd Flux2

CVE-2022-24878

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.

Vulnerability class: Path Traversal (Directory Traversal)

EPSS: 0.010 (58.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.7 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H.

Affected products

Fluxcd Flux2 — versions flux2 < v0.28.5, >= v0.19.0, kustomize < v0.29.0, >= v0.16.0
Fluxcd Kustomize-controller

Weakness classification (CWE)

CWE-22 — Path Traversal

References

security-advisories@github.com (x_refsource_CONFIRM, Third Party Advisory)

Frequently asked questions

What is CVE-2022-24878?: CVE-2022-24878 is a high-severity vulnerability in Fluxcd Flux2, classified under Path Traversal. CVSS score: 7.7/10. Published 2022-05-06.
How severe is CVE-2022-24878?: High severity. CVSS v3 base score is 7.7 out of 10.