CVE-2023-41333: Cilium vulnerable to bypass of namespace restrictions in CiliumNetworkPolicy

September 27, 2023

Impact

An attacker with the ability to create or modify CiliumNetworkPolicy objects in a particular namespace is able to affect traffic on an entire Cilium cluster, potentially bypassing policy enforcement in other namespaces.

References

docs.cilium.io/en/stable/security/threat-model/
github.com/advisories/GHSA-4xp2-w642-7mcx
github.com/cilium/cilium/pull/28007
github.com/cilium/cilium/security/advisories/GHSA-4xp2-w642-7mcx

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