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6.8Media

CVE-2026-33603

Open-Xchange GmbH OX Dovecot Pro Publicada: (hace 6 meses)

Descripción

Attacker can use a specially crafted base64 exchange between Dovecot and Client to fake SCRAM TLS channel binding. This requires that the attacker is able to position itself between Dovecot and the client connection. If successful, the attacker can eavesdrop communications between Dovecot and client as MITM proxy. Install fixed version. No publicly available exploits are known.

Debilidad (CWE): CWE-99

Datos: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Se publican tal como los indican las fuentes, en inglés.

Productos y versiones afectados

FabricanteProductoVersiones
dovecot dovecot < 2.4.4
open-xchange dovecot < 3.1.5
Open-Xchange GmbH OX Dovecot Pro ≤ 3.1.0, ≤ 2.4.0

Referencias y parches

Coincidencias CPE (NVD) (2)
  • cpe:2.3:a:dovecot:dovecot:*:*:*:*:*:*:*:* < 2.4.4
  • cpe:2.3:a:open-xchange:dovecot:*:*:*:*:pro:*:*:* < 3.1.5

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