CVE-2024-25631: medium-severity vulnerability in cilium
Unencrypted traffic between pods when using Wireguard and an external kvstore
Published · Updated
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
13Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 6.1epss 0.2%
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 encryption, traffic between pods in the affected cluster is not encrypted. This issue affects Cilium v1.14 before v1.14.7 and has been patched in Cilium v1.14.7. There is no workaround to this issue.
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:H/I:N/A:N
Affected products
cilium · ciliumRelated CVEs — cilium
In the same product, most dangerous first.
CVE-2023-27595MEDIUMCilium eBPF filters may be temporarily removed during agent restartEPSS 0.7%CVE-2023-30851LOWPotential HTTP policy bypass when using header rules in CiliumEPSS 0.7%CVE-2024-28248HIGHCilium intermittent HTTP policy bypassEPSS 0.6%CVE-2024-42486MEDIUMCilium vulnerable to information leakage via incorrect ReferenceGrant update logic in Gateway APIEPSS 0.6%CVE-2023-39347HIGHCilium NetworkPolicy bypass via pod labelsEPSS 0.6%CVE-2023-27594MEDIUMCilium vulnerable to potential network policy bypass when routing IPv6 traffic EPSS 0.6%
References
https://docs.cilium.io/en/stable/installation/k8s-install-external-etcd/#when-do-i-need-to-use-a-kvstorehttps://docs.cilium.io/en/stable/security/network/encryption-wireguard/#encryption-wghttps://github.com/cilium/cilium/releases/tag/v1.14.7https://github.com/cilium/cilium/security/advisories/GHSA-x989-52fc-4vr4