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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.
- Severity: 1/4.
- 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.

ACCESS TO THE FULL VIGIL@NCE BULLETIN

https://vigilance.fr/vulnerability/...




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