Flux2 is a tool for keeping Kubernetes clusters in sync with sources of configuration, and Flux's helm-controller is a Kubernetes operator that allows one to declaratively manage Helm chart releases. Helm controller is tightly integrated with the Helm SDK. A vulnerability found in the Helm SDK that affects flux2 v0.0.17 until v0.32.0 and helm-controller v0.0.4 until v0.23.0 allows for specific data inputs to cause high memory consumption. In some platforms, this could cause the controller to panic and stop processing reconciliations. In a shared cluster multi-tenancy environment, a tenant could create a HelmRelease that makes the controller panic, denying all other tenants from their Helm releases being reconciled. Patches are available in flux2 v0.32.0 and helm-controller v0.23.0.
oryginał ENCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:HFluxcd Flux2
APPFluxcd0.0.17 – 0.32.0 (bez)Fluxcd Helm Controller
APPFluxcd0.0.4 – 0.23.0 (bez)Helm
APPHelm3.0.0 – 3.9.4 (bez)
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