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

High Nessus Plugin ID 127550

Synopsis

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

Description

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).

Solution

Update the affected packages.

See Also

http://www.nessus.org/u?4fd5a3d9

Plugin Details

Severity: High

ID: 127550

File Name: freebsd_pkg_a633651bb30911e9a87fa4badb2f4699.nasl

Version: 1.2

Type: local

Published: 2019/08/12

Updated: 2019/09/24

Dependencies: 12634

Configuration: Enable paranoid mode

Risk Information

Risk Factor: High

CVSS v2.0

Base Score: 9

Temporal Score: 7

Vector: CVSS2#AV:N/AC:L/Au:S/C:C/I:C/A:C

Temporal Vector: CVSS2#E:POC/RL:OF/RC:C

CVSS v3.0

Base Score: 9.1

Temporal Score: 8.2

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

Temporal Vector: CVSS:3.0/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: 2019/07/30

Vulnerability Publication Date: 2019/05/14

Reference Information

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

FreeBSD: SA-19:07.mds