Vigil@nce - Firejail: privilege escalation via OverlayFS
April 2021 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: Debian, openSUSE Leap.
Severity: 2/4.
Consequences: administrator access/rights, privileged
access/rights.
Provenance: user shell.
Confidence: confirmed by the editor (5/5).
Creation date: 10/02/2021.
DESCRIPTION OF THE VULNERABILITY
An attacker can bypass restrictions via OverlayFS of Firejail, in
order to escalate his privileges.
ACCESS TO THE FULL VIGIL@NCE BULLETIN
https://vigilance.fr/vulnerability/Firejail-privilege-escalation-via-OverlayFS-34542