CVE-2023-41333

Cilium is a networking, observability, and security solution with an eBPF-based dataplane. 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 othe...

Missing Authentication For Critical Function

github.com/cilium/cilium is vulnerable to Missing Authentication. The vulnerability is due to the ValidateCNP function in validator.go which lacks checks for a policy with any malicious or incorrectly match configurations, allowing an attacker to create policies that bypass namespace restrictions...

Cilium vulnerable to bypass of namespace restrictions in CiliumNetworkPolicy

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. By using a crafted endpointSelector that uses the DoesNotExist operato...