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CVE-2023-0567

password_verify() always returns true for some invalid hashes

En bref

Sévérité
HIGH 7.7
EPSS
EPSS 0.92 % · centile 60 (2026-10-27)
État
PUBLISHED
Publiée
Mise à jour
Attribuée par
php
Statut NVD
Modified

Description

In PHP 8.0.X before 8.0.28, 8.1.X before 8.1.16 and 8.2.X before 8.2.3, password_verify() function may accept some invalid Blowfish hashes as valid. If such invalid hash ever ends up in the password database, it may lead to an application allowing any password for this entry as valid.

Scores

VersionScoreVecteurÉvalué par
CVSS 3.1HIGH 7.7CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Nphp
CVSS 3.1HIGH 8.1CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:NCISA-ADP
CVSS 3.1HIGH 7.7CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:NNVD · security@php.net (Secondary)
CVSS 3.1MEDIUM 6.2CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:NNVD · nvd@nist.gov (Primary)
CVSS 3.1HIGH 8.1CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:NNVD · 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary)

Faiblesses (CWE)

Références européennes

Avis du CERT-FR

Configurations affectées (CPE NVD)

Produits affectés

ProduitVersions
PHP Group · PHPaffected 8.0.* < 8.0.28 ; affected 8.1.* < 8.1.16 ; affected 8.2.* < 8.2.3

Références

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