Vulnerability · Published Feb 20, 2024 · Assigned by GitHub_M

CVE-2024-25631Unencrypted traffic between pods when using Wireguard and an external kvstore

Medium 6.1

In plain English

A medium-severity security flaw in cilium from cilium. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 10% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)6.1Medium

Exploit odds (30 days)0.2%top 90.1% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

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.

Affected packages & fixed versions

Ecosystem	Package	Fixed in	Advisory
Go	github.com/cilium/cilium	1.14.7	GHSA-x989-52fc-4vr4
Go	github.com/cilium/cilium	1.14.7	GO-2024-2569

Affected products (as reported)

Vendor	Product	Versions
cilium	cilium	< 1.14.7

Weakness: CWE-311 · Vector: CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:H/I:N/A:N

References

https://github.com/cilium/cilium/security/advisories/GHSA-x989-52fc-4vr4 x_refsource_CONFIRM
https://docs.cilium.io/en/stable/installation/k8s-install-external-etcd/#when-do-i-need-to-use-a-kvstore x_refsource_MISC
https://docs.cilium.io/en/stable/security/network/encryption-wireguard/#encryption-wg x_refsource_MISC
https://github.com/cilium/cilium/releases/tag/v1.14.7 x_refsource_MISC