Vigil@nce - grub2: denial of service via grub2-set-bootflag
December 2019 by Vigil@nce
This bulletin was written by Vigil@nce : https://vigilance.fr/offer/Computer-vulnerability-watch-database-and-alert
SYNTHESIS OF THE VULNERABILITY
Impacted products: Fedora.
Severity: 1/4.
Consequences: denial of service on server.
Provenance: user shell.
Confidence: confirmed by the editor (5/5).
Creation date: 29/11/2019.
DESCRIPTION OF THE VULNERABILITY
An attacker can trigger a fatal error via grub2-set-bootflag of
grub2, in order to trigger a denial of service.
ACCESS TO THE FULL VIGIL@NCE BULLETIN
https://vigilance.fr/vulnerability/grub2-denial-of-service-via-grub2-set-bootflag-31023