Vigil@nce - snapd: privilege escalation via Container Arbitrary Devices
April 2021 by Vigil@nce
This bulletin was written by Vigil@nce : https://vigilance.fr/computer-vulnerability
SYNTHESIS OF THE VULNERABILITY
Impacted products: Ubuntu.
Severity: 2/4.
Consequences: administrator access/rights, privileged
access/rights.
Provenance: document.
Confidence: confirmed by the editor (5/5).
Creation date: 10/02/2021.
DESCRIPTION OF THE VULNERABILITY
An attacker, inside a guest system, can bypass restrictions via
Container Arbitrary Devices of snapd, in order to escalate his
privileges on the host system.
ACCESS TO THE FULL VIGIL@NCE BULLETIN
https://vigilance.fr/vulnerability/snapd-privilege-escalation-via-Container-Arbitrary-Devices-34537