Vigil@nce - FreeBSD: privilege escalation via Mqueue Reference Count
October 2019 by Vigil@nce
This bulletin was written by Vigil@nce : https://vigilance.fr/offer/Computer-vulnerability-database-and-alert
SYNTHESIS OF THE VULNERABILITY
– Impacted products: FreeBSD.
– Severity: 2/4.
– Consequences: administrator access/rights, privileged
access/rights, data reading.
– Provenance: user shell.
– Confidence: confirmed by the editor (5/5).
– Creation date: 21/08/2019.
DESCRIPTION OF THE VULNERABILITY
An attacker can bypass restrictions via Mqueue Reference Count of
FreeBSD, in order to escalate his privileges.
ACCESS TO THE FULL VIGIL@NCE BULLETIN
https://vigilance.fr/vulnerability/FreeBSD-privilege-escalation-via-Mqueue-Reference-Count-30097