CVE-2024-28250: cilium — Fix

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.

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CVSS v3.1 Score

6.1

MEDIUM

CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:H/I:N/A:N

Weakness Type (CWE)

CWE-311 CWE-311

CWE-319 CWE-319

Affected Products

Vendor	Product	Versions
cilium	cilium	1.14.0 — 1.14.8
cilium	cilium	1.15.0 — 1.15.2

References

Advisories & Patches

https://github.com/cilium/cilium/security/advisories/GHSA-v6q2-4qr3-5cw6 https://github.com/cilium/cilium/security/advisories/GHSA-v6q2-4qr3-5cw6

Other References

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 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

Frequently Asked Questions

What is CVE-2024-28250? +

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. It has a CVSS v3.1 base score of 6.1 (MEDIUM).

How severe is CVE-2024-28250? +

CVE-2024-28250 has a CVSS v3.1 score of 6.1 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2024-28250? +

CVE-2024-28250 affects products from cilium, specifically: cilium. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2024-28250? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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