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Vigil@nce - Debian: privilege escalation via postgresql-common pg_ctlcluster Directory Creation
January 2020 by Vigil@nce
This bulletin was written by Vigil@nce : https://vigilance.fr/computer-vulnerability
SYNTHESIS OF THE VULNERABILITY
– Impacted products: Debian, Ubuntu.
– Severity: 2/4.
– Consequences: privileged access/rights.
– Provenance: user shell.
– Confidence: confirmed by the editor (5/5).
– Creation date: 15/11/2019.
DESCRIPTION OF THE VULNERABILITY
An attacker can bypass restrictions via postgresql-common
pg_ctlcluster Directory Creation of Debian, in order to escalate
his privileges.
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