Vigil@nce - systemd: privilege escalation via chown_one
January 2019 by Vigil@nce
This bulletin was written by Vigil@nce : https://vigilance.fr/offer
SYNTHESIS OF THE VULNERABILITY
Impacted products: Ubuntu.
Consequences: administrator access/rights, privileged access/rights.
Provenance: user shell.
Confidence: confirmed by the editor (5/5).
Creation date: 13/11/2018.
DESCRIPTION OF THE VULNERABILITY
An attacker can bypass restrictions via chown_one() of systemd, in order to escalate his privileges.
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