CVE-2024-28250 Information

Description

Cilium is a networking observability and security solution with an eBPF-based dataplane. Starting in version 1.14.0 and prior to versions 1.14.8 and 1.15.2 In Cilium clusters with WireGuard enabled and traffic matching Layer 7 policies Wireguard-eligible traffic that is sent between a node’s Envoy proxy and pods on other nodes is sent unencrypted and Wireguard-eligible traffic that is sent between a node’s DNS proxy and pods on other nodes is sent unencrypted. This issue has been resolved in Cilium 1.14.8 and 1.15.2 in in native routing mode (routingMode=native) and in Cilium 1.14.4 in tunneling mode (routingMode=tunnel). Not that in tunneling mode encryption.wireguard.encapsulate must be set to true. There is no known workaround for this issue.

Reference

https://github.com/cilium/cilium/security/advisories/GHSA-v6q2-4qr3-5cw6 https://github.com/cilium/cilium/releases/tag/v1.13.13 https://github.com/cilium/cilium/releases/tag/v1.14.8 https://github.com/cilium/cilium/releases/tag/v1.15.2