Flux2 is an open and extensible continuous delivery solution for Kubernetes. Flux2 versions between 0.1.0 and 0.29.0, helm-controller 0.1.0 to v0.19.0, and kustomize-controller 0.1.0 to v0.23.0 are vulnerable to Code Injection via malicious Kubeconfig. In multi-tenancy deployments this can also lead to privilege escalation if the controller's service account has elevated permissions. Workarounds include disabling functionality via Validating Admission webhooks by restricting users from setting the `spec.kubeConfig` field in Flux `Kustomization` and `HelmRelease` objects. Additional mitigations include applying restrictive AppArmor and SELinux profiles on the controller’s pod to limit what binaries can be executed. This vulnerability is fixed in kustomize-controller v0.23.0 and helm-controller v0.19.0, both included in flux2 v0.29.0
References
Link | Resource |
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https://github.com/fluxcd/flux2/security/advisories/GHSA-vvmq-fwmg-2gjc | Patch Third Party Advisory |
https://github.com/fluxcd/flux2/security/advisories/GHSA-vvmq-fwmg-2gjc | Patch Third Party Advisory |
Configurations
Configuration 1 (hide)
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History
21 Nov 2024, 06:51
Type | Values Removed | Values Added |
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References | () https://github.com/fluxcd/flux2/security/advisories/GHSA-vvmq-fwmg-2gjc - Patch, Third Party Advisory |
Information
Published : 2022-05-06 00:15
Updated : 2024-11-21 06:51
NVD link : CVE-2022-24817
Mitre link : CVE-2022-24817
CVE.ORG link : CVE-2022-24817
JSON object : View
Products Affected
fluxcd
- kustomize-controller
- flux2
- helm-controller
CWE
CWE-94
Improper Control of Generation of Code ('Code Injection')