Vigil@nce - FreeBSD: information disclosure via stat
June 2016 by Vigil@nce
This bulletin was written by Vigil@nce : https://vigilance.fr/offer
SYNTHESIS OF THE VULNERABILITY
A local attacker can read a memory fragment via stat of FreeBSD,
in order to obtain sensitive information.
Impacted products: FreeBSD.
Severity: 1/4.
Creation date: 01/06/2016.
DESCRIPTION OF THE VULNERABILITY
The FreeBSD product implements stat() which retrieve information
about a file
However, the vfs_syscalls.c file does not initialize a memory area
before returning it to the user.
A local attacker can therefore read a memory fragment via stat of
FreeBSD, in order to obtain sensitive information.
ACCESS TO THE COMPLETE VIGIL@NCE BULLETIN
https://vigilance.fr/vulnerability/FreeBSD-information-disclosure-via-stat-19748