Vigil@nce - OpenBSD 6.7: denial of service via smtpd_sockaddr
July 2020 by Vigil@nce
This bulletin was written by Vigil@nce : https://vigilance.fr/offer/Computer-vulnerabilities-watch-and-alert
SYNTHESIS OF THE VULNERABILITY
Impacted products: OpenBSD.
Severity: 2/4.
Consequences: denial of service on service, denial of service on
client.
Provenance: internet server.
Confidence: confirmed by the editor (5/5).
Creation date: 25/05/2020.
DESCRIPTION OF THE VULNERABILITY
An attacker can trigger a fatal error via smtpd_sockaddr of
OpenBSD 6.7 (OpenSMTPD), in order to trigger a denial of service.
ACCESS TO THE FULL VIGIL@NCE BULLETIN
https://vigilance.fr/vulnerability/OpenBSD-6-7-denial-of-service-via-smtpd-sockaddr-32334