CVE-2023-42117

CRITICAL

9.8

Descripcion

Exim Improper Neutralization of Special Elements Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Exim. Authentication is not required to exploit this vulnerability. The specific flaw exists within the smtp service, which listens on TCP port 25 by default. The issue results from the lack of proper validation of user-supplied data, which can result in a memory corruption condition. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-17554.

Detalles CVE

Puntuacion CVSS v3.19.8

SeveridadCRITICAL

Vector CVSSCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Vector de ataqueNETWORK

ComplejidadLOW

Privilegios requeridosNONE

Interaccion usuarioNONE

Publicado5/3/2024

Ultima modificacion11/3/2025

Fuentenvd

Avistamientos honeypot0

Productos afectados

exim:exim

Debilidades (CWE)

CWE-138

Referencias

https://www.zerodayinitiative.com/advisories/ZDI-23-1471/(zdi-disclosures@trendmicro.com)

https://lists.debian.org/debian-lts-announce/2024/10/msg00029.html(af854a3a-2127-422b-91ae-364da2661108)

https://www.zerodayinitiative.com/advisories/ZDI-23-1471/(af854a3a-2127-422b-91ae-364da2661108)

Correlaciones IOC

Sin correlaciones registradas

This product uses data from the NVD API but is not endorsed or certified by the NVD.