Vigil@nce - FreeBSD: denial of service via sendfile
July 2020 by Vigil@nce
This bulletin was written by Vigil@nce : https://vigilance.fr/?langue=2
SYNTHESIS OF THE VULNERABILITY
Impacted products: FreeBSD.
Severity: 2/4.
Consequences: denial of service on server, denial of service on
service.
Provenance: internet client.
Confidence: confirmed by the editor (5/5).
Creation date: 05/05/2020.
DESCRIPTION OF THE VULNERABILITY
An attacker can trigger a fatal error via sendfile() of FreeBSD,
in order to trigger a denial of service.
ACCESS TO THE FULL VIGIL@NCE BULLETIN
https://vigilance.fr/vulnerability/FreeBSD-denial-of-service-via-sendfile-32177