Vigil@nce - SDDM: privilege escalation via X Server Connection
January 2021 by Vigil@nce
This bulletin was written by Vigil@nce : https://vigilance.fr/computer-vulnerability
SYNTHESIS OF THE VULNERABILITY
Impacted products: Debian, openSUSE Leap, SLES.
Severity: 2/4.
Consequences: administrator access/rights, privileged
access/rights.
Provenance: document.
Confidence: confirmed by the editor (5/5).
Creation date: 05/11/2020.
DESCRIPTION OF THE VULNERABILITY
An attacker can bypass restrictions via X Server Connection of
SDDM, in order to escalate his privileges.
ACCESS TO THE FULL VIGIL@NCE BULLETIN
https://vigilance.fr/vulnerability/SDDM-privilege-escalation-via-X-Server-Connection-33835