---
cve: "CVE-2023-0567"
severity: "HIGH"
cvss: 7.7
epss: "95%"
vendor: "PHP Group"
kev: false
exploited: false
published: "2023-03-01 08:15:11"
tags: [cve, security, high]
source: tsecurity.de CVE-Dossier
exported: "2026-09-06T17:02:17+02:00"
---

# CVE-2023-0567

> 7.7 HIGH · 🧪 PoC

## Beschreibung

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.

## CVSS-Vektor

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

| Metrik | Wert | Bewertung |
|---|---|---|
| AV Angriffsvektor | Lokal | good |
| AC Komplexität | Gering | bad |
| PR Privilegien | Keine | bad |
| UI Interaktion | Keine | bad |
| S Scope | Unverändert | good |
| C Vertraulichkeit | Hoch | bad |
| I Integrität | Hoch | bad |
| A Verfügbarkeit | Keine | good |

## Patch verfügbar (OSV)

- 12b5ba0b1d87d2dfdb4ee213cb5d122c921f3f2f (Commit)
- aa5f9f05194e534b9644ebdcfd073c1493d17d56 (Commit)

## Referenzen

- <https://bugs.php.net/bug.php?id=81744>
- <https://github.com/php/php-src/security/advisories/GHSA-7fj2-8x79-rjf4>
- <https://security.netapp.com/advisory/ntap-20230331-0008/>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2023-0567) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_