CVE-2024-42487: cilium — Fix

Description

Cilium is a networking, observability, and security solution with an eBPF-based dataplane. In the 1.15 branch prior to 1.15.8 and the 1.16 branch prior to 1.16.1, Gateway API HTTPRoutes and GRPCRoutes do not follow the match precedence specified in the Gateway API specification. In particular, request headers are matched before request methods, when the specification describes that the request methods must be respected before headers are matched. This could result in unexpected behaviour with security This issue is fixed in Cilium v1.15.8 and v1.16.1. There is no workaround for this issue.

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CVSS v3.1 Score

4.0

MEDIUM

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

Weakness Type (CWE)

CWE-113 CWE-113

CWE-436 CWE-436

Affected Products

Vendor	Product	Versions
cilium	cilium	1.15.0 — 1.15.8
cilium	cilium	All

References

Advisories & Patches

https://github.com/cilium/cilium/commit/a3510fe4a92305822aa1a5e08cb6d6c873c8699a https://github.com/cilium/cilium/pull/34109 https://github.com/cilium/cilium/security/advisories/GHSA-qcm3-7879-xcww

Frequently Asked Questions

What is CVE-2024-42487? +

Cilium is a networking, observability, and security solution with an eBPF-based dataplane. In the 1.15 branch prior to 1.15.8 and the 1.16 branch prior to 1.16.1, Gateway API HTTPRoutes and GRPCRoutes do not follow the match precedence specified in the Gateway API specification. In particular, request headers are matched before request methods, when the specification describes that the request methods must be respected before headers are matched. This could result in unexpected behaviour with security This issue is fixed in Cilium v1.15.8 and v1.16.1. There is no workaround for this issue. It has a CVSS v3.1 base score of 4.0 (MEDIUM).

How severe is CVE-2024-42487? +

CVE-2024-42487 has a CVSS v3.1 score of 4.0 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-2024-42487? +

CVE-2024-42487 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-2024-42487? +

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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