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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


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