FreeBSD : FreeBSD -- Microarchitectural Data Sampling (MDS) (a633651b-b309-11e9-a87f-a4badb2f4699)

high Nessus Plugin ID 127550



The remote FreeBSD host is missing one or more security-related updates.


On some Intel processors utilizing speculative execution a local process may be able to infer stale information from microarchitectural buffers to obtain a memory disclosure. Impact : An attacker may be able to read secret data from the kernel or from a process when executing untrusted code (for example, in a web browser).


Update the affected packages.

See Also

Plugin Details

Severity: High

ID: 127550

File Name: freebsd_pkg_a633651bb30911e9a87fa4badb2f4699.nasl

Version: 1.3

Type: local

Published: 8/12/2019

Updated: 1/6/2020

Configuration: Enable paranoid mode

Risk Information

CVSS Score Source: CVE-2018-1212


Risk Factor: Medium

Score: 6.7


Risk Factor: High

Base Score: 9

Temporal Score: 7

Vector: AV:N/AC:L/Au:S/C:C/I:C/A:C

Temporal Vector: E:POC/RL:OF/RC:C


Risk Factor: High

Base Score: 8.8

Temporal Score: 7.9

Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Temporal Vector: E:P/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:freebsd:freebsd:FreeBSD, cpe:/o:freebsd:freebsd

Required KB Items: Host/local_checks_enabled, Host/FreeBSD/release, Host/FreeBSD/pkg_info, Settings/ParanoidReport

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 7/30/2019

Vulnerability Publication Date: 5/14/2019

Reference Information

CVE: CVE-2018-1212, CVE-2018-1213, CVE-2019-1109

FreeBSD: SA-19:07.mds