Vigil@nce - Yubico PAM U2F: information disclosure via Authfile Symlink
August 2019 by Vigil@nce
This bulletin was written by Vigil@nce : https://vigilance.fr/offer/Computer...
SYNTHESIS OF THE VULNERABILITY
Impacted products: Fedora, openSUSE Leap, SUSE Linux Enterprise Desktop, SLES.
Consequences: data reading.
Provenance: user shell.
Confidence: confirmed by the editor (5/5).
Creation date: 20/06/2019.
DESCRIPTION OF THE VULNERABILITY
An attacker can bypass access restrictions to data via Authfile Symlink of Yubico PAM U2F, in order to obtain sensitive information.
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