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-vulne...
SYNTHESIS OF THE VULNERABILITY
Impacted products: Ubuntu.
Consequences: administrator access/rights, privileged access/rights.
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.
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