Vigil@nce - storeBackup: file corruption via /tmp/storeBackup.lock
February 2020 by Vigil@nce
This bulletin was written by Vigil@nce : https://vigilance.fr/offer/Computer...
SYNTHESIS OF THE VULNERABILITY
Impacted products: Debian, openSUSE Leap, SLES.
Consequences: data creation/edition, denial of service on service.
Provenance: user shell.
Confidence: confirmed by the editor (5/5).
Creation date: 29/01/2020.
DESCRIPTION OF THE VULNERABILITY
A local attacker can create a symbolic link named /tmp/storeBackup.lock, in order to alter the pointed file, with privileges of storeBackup.
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