CVE-2024-52529 Layer 7 policy enforcement may not occur in policies with wildcarded port ranges in Cilium

Cilium is a networking, observability, and security solution with an eBPF-based dataplane. For users with the following configuration: 1. An allow policy that selects a Layer 3 destination and a port range AND 2. A Layer 7 allow policy that selects a specific port within the first policy's range...

PT-2024-35358 · Cilium · Cilium

Name of the Vulnerable Software and Affected Versions: Cilium versions 1.16.0 through 1.16.3 Description: The issue arises when there is a Layer 3 policy with a port range and a Layer 7 policy with a port within the first policy's range. In such cases, the Layer 7 policy enforcement would not occ...