CVE-2017-7562

En bref

Sévérité: MEDIUM 6.5
EPSS: EPSS 3.18 % · centile 88 (2026-10-27)
État: PUBLISHED
Publiée: 2018-07-26
Mise à jour: 2024-08-05
Attribuée par: redhat
Statut NVD: Modified

Description

An authentication bypass flaw was found in the way krb5's certauth interface before 1.16.1 handled the validation of client certificates. A remote attacker able to communicate with the KDC could potentially use this flaw to impersonate arbitrary principals under rare and erroneous circumstances.

Scores

Version	Score	Vecteur	Évalué par
CVSS 3.0	MEDIUM 6.5	CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N	redhat
CVSS 3.1	MEDIUM 6.5	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N	NVD · nvd@nist.gov (Primary)
CVSS 3.0	MEDIUM 6.5	CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N	NVD · secalert@redhat.com (Secondary)
CVSS 2.0	MEDIUM 4.0	AV:N/AC:L/Au:S/C:N/I:P/A:N	NVD · nvd@nist.gov (Primary)

Faiblesses (CWE)

Références européennes

ENISA EUVD · EUVD-2017-16567
GCVE · GCVE-0-2017-7562

Avis du CERT-FR

CERTFR-2022-AVI-267 — Multiples vulnérabilités dans Juniper Networks Junos Space · cert.ssi.gouv.fr

Configurations affectées (CPE NVD)

cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:*
cpe:2.3:a:mit:kerberos_5:*:*:*:*:*:*:*:* ≥ 1.0 < 1.16.1

Produits affectés

Produit	Versions
MIT · krb5	affected 1.16.1

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