9.8Kritisch

CVE-2023-54391Proxmox VE 7.0-8.0 Authentication Bypass via tfa-challenge Parameter

Proxmox Server Solutions GmbH Proxmox Virtual Environment (VE) Veröffentlicht: (vor 2 Monaten)

Beschreibung

Proxmox Virtual Environment (VE) 7.0 through 8.0 contains an authentication bypass vulnerability in libpve-access-control before 8.0.4 that allows unauthenticated attackers to authenticate as any existing enabled user without a configured second factor by supplying an arbitrary tfa-challenge value in the API login endpoint. Attackers can send a POST request to the access ticket API endpoint with any value in the tfa-challenge parameter to completely skip password verification, gaining unauthorized access including to the root@pam account. All affected releases are end of life.

Schwachstellentyp (CWE): CWE-304

Daten: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Wiedergegeben wie in der Quelle, auf Englisch.

Betroffene Produkte und Versionen

HerstellerProduktVersionen
proxmox virtual environment 7.0 – ≤ 7.4
Proxmox Server Solutions GmbH Proxmox Virtual Environment (VE) 7.0 – ≤ 7.4, 8.0

Referenzen und Patches