Unencrypted traffic between pods when using Wireguard and an external kvstore
### Impact For Cilium users who have enabled [an external kvstore](https://docs.cilium.io/en/stable/installation/k8s-install-external-etcd/#when-do-i-need-to-use-a-kvstore) and [Wireguard transparent encryption](https://docs.cilium.io/en/stable/security/network/encryption-wireguard/#encryption-wg), traffic between pods in the affected cluster is not encrypted. ### Patches This issue affects Cilium v1.14 before v1.14.7. This issue has been patched in Cilium v1.14.7. ### Workarounds There is no workaround to this issue - affected users are encouraged to upgrade. ### Acknowledgements The Cilium community has worked together with members of Isovalent to prepare these mitigations. Special thanks to @giorio94 and @gandro for their work on triaging and remediating this issue. ### For more information If you have any questions or comments about this advisory, please reach out on [Slack](https://docs.cilium.io/en/latest/community/community/#slack). If you think you found a related vulnerability, we strongly encourage you to report security vulnerabilities to our private security mailing list at [security@cilium.io](mailto:security@cilium.io). This is a private mailing list where only members of the Cilium internal security team are subscribed to, and your report will be treated as top priority.
describes (1)
Related CVEs.
| ID | severity | exploitable | ||
|---|---|---|---|---|
| CVE-2024-25631US | medium5.3OT elevated | — | ||
Cilium is a networking, observability, and security solution with an eBPF-based dataplane. For Cilium users who have enabled an external kvstore and Wireguard transparent encryptio… | ||||
references
External citations — patches, advisories, analysis.
- https://docs.cilium.io/en/stable/installation/k8s-install-external-etcd/#when-do-i-need-to-use-a-kvstoreWEB
- https://docs.cilium.io/en/stable/security/network/encryption-wireguard/#encryption-wgWEB
- https://github.com/cilium/ciliumPACKAGE
- https://github.com/cilium/cilium/releases/tag/v1.14.7WEB
- https://github.com/cilium/cilium/security/advisories/GHSA-x989-52fc-4vr4WEB
- https://nvd.nist.gov/vuln/detail/CVE-2024-25631ADVISORY
Advisories like this name the exposed products attackers go after on your perimeter. See what is exposed on your perimeter with a free passive scan.
Free scan