What is CVE-2022-24877?

CVE-2022-24877 is a vulnerability in Flux and Kustomize-controller that allows path traversal and potential privilege escalation in multi-tenancy deployments.

What is the severity of CVE-2022-24877?

CVE-2022-24877 has a severity level of critical with a CVSS score of 8.8.

Which software versions are affected by CVE-2022-24877?

Flux version up to 0.29.0 and Kustomize-controller version up to 0.24.0 are affected by CVE-2022-24877.

How can an attacker exploit CVE-2022-24877?

An attacker can exploit CVE-2022-24877 by using a malicious `kustomization.yaml` file to perform path traversal and expose sensitive data from the controller's pod filesystem.

Is there a fix available for CVE-2022-24877?

Yes, it is recommended to update Flux to version 0.29.0 or newer, and Kustomize-controller to version 0.24.0 or newer to mitigate CVE-2022-24877.

Vulnerability/
CVE-2022-24877

critical

9.9

CWE

22 36

6/5/2022

3/8/2024

CVE-2022-24877: Improper path handling in kustomization files allows path traversal

First published: Fri May 06 2022(Updated: )

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 expose sensitive data from the controller’s pod filesystem and possibly privilege escalation in multi-tenancy deployments. 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.

Credit: security-advisories@github.com security-advisories@github.com

Affected Software	Affected Version	How to fix
Fluxcd Flux2	<0.29.0
Fluxcd Kustomize-controller	<0.24.0

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Reference Links

https://github.com/fluxcd/flux2/security/advisories/GHSA-j77r-2fxf-5jrw

Frequently Asked Questions

What is CVE-2022-24877?
CVE-2022-24877 is a vulnerability in Flux and Kustomize-controller that allows path traversal and potential privilege escalation in multi-tenancy deployments.
What is the severity of CVE-2022-24877?
CVE-2022-24877 has a severity level of critical with a CVSS score of 8.8.
Which software versions are affected by CVE-2022-24877?
Flux version up to 0.29.0 and Kustomize-controller version up to 0.24.0 are affected by CVE-2022-24877.
How can an attacker exploit CVE-2022-24877?
An attacker can exploit CVE-2022-24877 by using a malicious `kustomization.yaml` file to perform path traversal and expose sensitive data from the controller's pod filesystem.
Is there a fix available for CVE-2022-24877?
Yes, it is recommended to update Flux to version 0.29.0 or newer, and Kustomize-controller to version 0.24.0 or newer to mitigate CVE-2022-24877.

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