Vigil@nce - FreeBSD: information disclosure via SYSCALL Kernel Data Register
February 2019 by Vigil@nce
This bulletin was written by Vigil@nce : https://vigilance.fr/offer/Computer...
SYNTHESIS OF THE VULNERABILITY
Impacted products: FreeBSD.
Consequences: data reading.
Provenance: user shell.
Confidence: confirmed by the editor (5/5).
Creation date: 06/02/2019.
DESCRIPTION OF THE VULNERABILITY
A local attacker can read a memory fragment via SYSCALL Kernel Data Register of FreeBSD, in order to obtain sensitive information.
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