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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-vulnerability-database-and-alert

SYNTHESIS OF THE VULNERABILITY

Impacted products: Fedora, openSUSE Leap, SUSE Linux Enterprise
Desktop, SLES.

Severity: 2/4.

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.

ACCESS TO THE FULL VIGIL@NCE BULLETIN

https://vigilance.fr/vulnerability/Yubico-PAM-U2F-information-disclosure-via-Authfile-Symlink-29579


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