CVE-2022-41717

Excessive memory growth in net/http and golang.org/x/net/http2

MEDIUM 5.3

En bref

Source
NVD
EPSS
EPSS 6.08 % · centile 93 ()
État
PUBLISHED
Publiée
Mise à jour
Attribuée par
Go
Statut NVD
Modified

Description

An attacker can cause excessive memory growth in a Go server accepting HTTP/2 requests. HTTP/2 server connections contain a cache of HTTP header keys sent by the client. While the total number of entries in this cache is capped, an attacker sending very large keys can cause the server to allocate approximately 64 MiB per open connection.

Faiblesses (CWE)

  • CWE-770 — Allocation de ressources sans limite ni régulation

Références

Scores

VersionScoreVecteurÉvalué par
CVSS 3.1MEDIUM 5.3CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:LNVD · nvd@nist.gov (Primary)

Avis

Références européennes

Avis du CERT-FR

Configurations affectées (CPE NVD)

Produits affectés

ProduitVersions
Go standard library · net/httpaffected 0 < 1.18.9 ; affected 1.19.0-0 < 1.19.4
golang.org/x/net · golang.org/x/net/http2affected 0 < 0.4.0

Sources

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