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Vigil@nce - GDM: privilege escalation via Autologin Lock Screen Bypass
February 2021 by Vigil@nce
This bulletin was written by Vigil@nce : https://vigilance.fr/?langue=2
SYNTHESIS OF THE VULNERABILITY
Impacted products: Fedora.
Severity: 2/4.
Consequences: administrator access/rights, privileged
access/rights, user access/rights.
Provenance: physical access.
Confidence: confirmed by the editor (5/5).
Creation date: 22/12/2020.
DESCRIPTION OF THE VULNERABILITY
An attacker can bypass restrictions via Autologin Lock Screen
Bypass of GDM, in order to escalate his privileges.
ACCESS TO THE FULL VIGIL@NCE BULLETIN
https://vigilance.fr/vulnerability/GDM-privilege-escalation-via-Autologin-Lock-Screen-Bypass-34187
