The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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cilium-1.14
to version 1.14.19-r23 or higher.
Note: Versions mentioned in the description apply only to the upstream cilium-1.14
package and not the cilium-1.14
package as distributed by Chainguard
.
See How to fix?
for Chainguard
relevant fixed versions and status.
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 other namespaces. By using a crafted endpointSelector
that uses the DoesNotExist
operator on the reserved:init
label, the attacker can create policies that bypass namespace restrictions and affect the entire Cilium cluster. This includes potentially allowing or denying all traffic. This attack requires API server access, as described in the Kubernetes API Server Attacker section of the Cilium Threat Model. This issue has been resolved in Cilium versions 1.14.2, 1.13.7, and 1.12.14. As a workaround an admission webhook can be used to prevent the use of endpointSelectors
that use the DoesNotExist
operator on the reserved:init
label in CiliumNetworkPolicies.