Debian DSA-4447-1 : intel-microcode - security update (MDSUM/RIDL) (MFBDS/RIDL/ZombieLoad) (MLPDS/RIDL) (MSBDS/Fallout)

medium Nessus Plugin ID 125176
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Synopsis

The remote Debian host is missing a security-related update.

Description

This update ships updated CPU microcode for most types of Intel CPUs.
It provides mitigations for the MSBDS, MFBDS, MLPDS and MDSUM hardware vulnerabilities.

To fully resolve these vulnerabilities it is also necessary to update the Linux kernel packages as released in DSA 4444.

Solution

Upgrade the intel-microcode packages.

For the stable distribution (stretch), these problems have been fixed in version 3.20190514.1~deb9u1.

See Also

http://www.nessus.org/u?019586d4

https://packages.debian.org/source/stretch/intel-microcode

https://www.debian.org/security/2019/dsa-4447

Plugin Details

Severity: Medium

ID: 125176

File Name: debian_DSA-4447.nasl

Version: 1.2

Type: local

Agent: unix

Published: 5/16/2019

Updated: 1/17/2020

Dependencies: ssh_get_info.nasl

Risk Information

CVSS Score Source: CVE-2019-11091

VPR

Risk Factor: High

Score: 7.7

CVSS v2

Risk Factor: Medium

Base Score: 4.7

Temporal Score: 3.5

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

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

CVSS v3

Risk Factor: Medium

Base Score: 5.6

Temporal Score: 4.9

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

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

Vulnerability Information

CPE: p-cpe:/a:debian:debian_linux:intel-microcode, cpe:/o:debian:debian_linux:9.0

Required KB Items: Host/local_checks_enabled, Host/Debian/release, Host/Debian/dpkg-l

Exploit Ease: No known exploits are available

Patch Publication Date: 5/15/2019

Vulnerability Publication Date: 5/30/2019

Reference Information

CVE: CVE-2018-12126, CVE-2018-12127, CVE-2018-12130, CVE-2019-11091

DSA: 4447