CVE-2024-23323

Excessive CPU usage when URI template matcher is configured using regex in Envoy

En bref

Sévérité: MEDIUM 4.3
EPSS: EPSS 0.50 % · centile 43 (2026-10-27)
État: PUBLISHED
Publiée: 2024-02-09
Mise à jour: 2024-08-01
Attribuée par: GitHub_M
Statut NVD: Modified

Description

Envoy is a high-performance edge/middle/service proxy. The regex expression is compiled for every request and can result in high CPU usage and increased request latency when multiple routes are configured with such matchers. This issue has been addressed in released 1.29.1, 1.28.1, 1.27.3, and 1.26.7. Users are advised to upgrade. There are no known workarounds for this vulnerability.

Scores

Version	Score	Vecteur	Évalué par
CVSS 3.1	MEDIUM 4.3	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L	GitHub_M
CVSS 3.1	MEDIUM 4.3	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L	NVD · security-advisories@github.com (Secondary)
CVSS 3.1	MEDIUM 5.3	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L	NVD · nvd@nist.gov (Primary)

Faiblesses (CWE)

Références européennes

ENISA EUVD · EUVD-2024-20838
GCVE · GCVE-0-2024-23323

Avis du CERT-FR

CERTFR-2024-AVI-0156 — Multiples vulnérabilités dans les produits Tenable · cert.ssi.gouv.fr

Configurations affectées (CPE NVD)

cpe:2.3:a:envoyproxy:envoy:*:*:*:*:*:*:*:* ≥ 1.26.0 < 1.26.7
cpe:2.3:a:envoyproxy:envoy:*:*:*:*:*:*:*:* ≥ 1.27.0 < 1.27.3
cpe:2.3:a:envoyproxy:envoy:*:*:*:*:*:*:*:* ≥ 1.28.0 < 1.28.1
cpe:2.3:a:envoyproxy:envoy:*:*:*:*:*:*:*:* ≥ 1.29.0 < 1.29.1

Produits affectés

Produit	Versions
envoyproxy · envoy	affected >= 1.29.0, < 1.29.1 ; affected >= 1.28.0, < 1.28.1 ; affected >= 1.27.0, < 1.27.3 ; affected < 1.26.7

Références

Sources

Source	Licence
CVE List (CVEProject cvelistV5)	CVE Program Terms of Use
EPSS (FIRST.org)	FIRST — attribution requested
ENISA EUVD	ENISA — reproduction authorised, source acknowledged
CERT-FR (ANSSI)	Licence Ouverte / Etalab 2.0
NVD (NIST) via fkie-cad/nvd-json-data-feeds	Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD