CVE-2020-28024

CRITICAL

9.8

Description

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.

Details CVE

Score CVSS v3.19.8

SeveriteCRITICAL

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

Vecteur d'attaqueNETWORK

ComplexiteLOW

Privileges requisNONE

Interaction utilisateurNONE

Publie5/6/2021

Derniere modification11/21/2024

Sourcenvd

Observations honeypot0

Produits affectes

exim:exim

Faiblesses (CWE)

CWE-787

References

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)

Correlations IOC

Aucune correlation enregistree

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