Debian DLA-3690-1 : intel-microcode - LTS security update

high Nessus Plugin ID 187045

Synopsis

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

Description

The remote Debian 10 host has a package installed that is affected by a vulnerability as referenced in the dla-3690 advisory.

- Sequence of processor instructions leads to unexpected behavior for some Intel(R) Processors may allow an authenticated user to potentially enable escalation of privilege and/or information disclosure and/or denial of service via local access. (CVE-2023-23583)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Upgrade the intel-microcode packages.

For Debian 10 buster, this problem has been fixed in version 3.20231114.1~deb10u1.

See Also

https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1055962

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

https://www.debian.org/lts/security/2023/dla-3690

https://security-tracker.debian.org/tracker/CVE-2023-23583

Plugin Details

Severity: High

ID: 187045

File Name: debian_DLA-3690.nasl

Version: 1.5

Type: local

Agent: unix

Published: 12/17/2023

Updated: 12/24/2023

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

Risk Information

VPR

Risk Factor: High

Score: 7.4

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5

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

CVSS Score Source: CVE-2023-23583

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 6.8

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

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:debian:debian_linux:10.0, p-cpe:/a:debian:debian_linux:intel-microcode

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

Exploit Ease: No known exploits are available

Patch Publication Date: 12/17/2023

Vulnerability Publication Date: 11/9/2023

Reference Information

CVE: CVE-2023-23583