Vigil@nce - yubihsm-shell: buffer overflow via yh_create_session
December 2020 by Vigil@nce
This bulletin was written by Vigil@nce : https://vigilance.fr/computer-vulnerability
SYNTHESIS OF THE VULNERABILITY
Impacted products: Fedora.
Severity: 2/4.
Consequences: user access/rights, denial of service on service,
denial of service on client.
Provenance: user shell.
Confidence: confirmed by the editor (5/5).
Creation date: 29/10/2020.
DESCRIPTION OF THE VULNERABILITY
An attacker can trigger a buffer overflow via yh_create_session()
of yubihsm-shell, in order to trigger a denial of service, and
possibly to run code.
ACCESS TO THE FULL VIGIL@NCE BULLETIN
https://vigilance.fr/vulnerability/yubihsm-shell-buffer-overflow-via-yh-create-session-33730