CVE-2020-28024

CRITICAL

9.8

Beschreibung

Exim 4 before 4.94.2 allows Buffer Underwrite that may result in unauthenticated remote attackers executing arbitrary commands, because smtp_ungetc was only intended to push back characters, but can actually push back non-character error codes such as EOF.

CVE Details

CVSS v3.1 Bewertung9.8

SchweregradCRITICAL

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

AngriffsvektorNETWORK

KomplexitatLOW

Erforderliche PrivilegienNONE

BenutzerinteraktionNONE

Veroffentlicht5/6/2021

Zuletzt geandert11/21/2024

Quellenvd

Honeypot-Sichtungen0

Betroffene Produkte

exim:exim

Schwachen (CWE)

CWE-787

Referenzen

https://www.exim.org/static/doc/security/CVE-2020-qualys/CVE-2020-28024-UNGET.txt(cve@mitre.org)

https://www.exim.org/static/doc/security/CVE-2020-qualys/CVE-2020-28024-UNGET.txt(af854a3a-2127-422b-91ae-364da2661108)

IOC Korrelationen

Keine Korrelationen erfasst

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