Vigil@nce - OpenBSD: assertion error via recv MSG_WAITALL
January 2019 by Vigil@nce
This bulletin was written by Vigil@nce : https://vigilance.fr/offer
SYNTHESIS OF THE VULNERABILITY
Impacted products: OpenBSD.
Severity: 1/4.
Consequences: denial of service on server.
Provenance: user shell.
Confidence: confirmed by the editor (5/5).
Creation date: 19/12/2018.
DESCRIPTION OF THE VULNERABILITY
An attacker can force an assertion error via recv() MSG_WAITALL of
OpenBSD, in order to trigger a denial of service.
ACCESS TO THE COMPLETE VIGIL@NCE BULLETIN
https://vigilance.fr/vulnerability/OpenBSD-assertion-error-via-recv-MSG-WAITALL-28052