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Debian DSA-4273-1 : intel-microcode - security update (Spectre)

medium Nessus Plugin ID 111796

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Synopsis

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

Description

This update ships updated CPU microcode for some types of Intel CPUs and provides SSBD support (needed to address 'Spectre v4') and fixes for'Spectre v3a'.

Solution

Upgrade the intel-microcode packages.

For the stable distribution (stretch), these problems have been fixed in version 3.20180703.2~deb9u1.

See Also

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

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

https://www.debian.org/security/2018/dsa-4273

Plugin Details

Severity: Medium

ID: 111796

File Name: debian_DSA-4273.nasl

Version: 1.6

Type: local

Agent: unix

Published: 8/17/2018

Updated: 4/15/2021

Supported Sensors: Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: Medium

Base Score: 4.7

Temporal Score: 3.7

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

CVSS v3

Risk Factor: Medium

Base Score: 5.6

Temporal Score: 5.1

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

Temporal Vector: CVSS:3.0/E:P/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 Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 8/16/2018

Vulnerability Publication Date: 5/22/2018

Reference Information

CVE: CVE-2018-3639, CVE-2018-3640

DSA: 4273