Debian dla-3379 : intel-microcode - security update

medium Nessus Plugin ID 173778

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Synopsis

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

Description

The remote Debian 10 host has a package installed that is affected by multiple vulnerabilities as referenced in the dla-3379 advisory.

------------------------------------------------------------------------- Debian LTS Advisory DLA-3379-1 [email protected] https://www.debian.org/lts/security/ Tobias Frost April 01, 2023 https://wiki.debian.org/LTS
-------------------------------------------------------------------------

Package : intel-microcode Version : 3.20230214.1~deb10u1 CVE ID : CVE-2022-21216 CVE-2022-21233 CVE-2022-33196 CVE-2022-33972 CVE-2022-38090 Debian Bug : 1031334

Multiple potential security vulnerabilities in some Intel Processors have been found which may allow information disclosure or may allow escalation of privilege. Intel is releasing firmware updates to mitigate this potential vulnerabilities.

Please pay attention that the fix for CVE-2022-33196 might require a firmware update.

CVE-2022-21216 (INTEL-SA-00700) Insufficient granularity of access control in out-of-band management in some Intel(R) Atom and Intel Xeon Scalable Processors may allow a privileged user to potentially enable escalation of privilege via adjacent network access.

CVE-2022-33196 (INTEL-SA-00738) Incorrect default permissions in some memory controller configurations for some Intel(R) Xeon(R) Processors when using Intel(R) Software Guard Extensions which may allow a privileged user to potentially enable escalation of privilege via local access.

This fix may require a firmware update to be effective on some processors.

CVE-2022-33972 (INTEL-SA-00730) Incorrect calculation in microcode keying mechanism for some 3rd Generation Intel(R) Xeon(R) Scalable Processors may allow a privileged user to potentially enable information disclosure via local acces

CVE-2022-38090 (INTEL-SA-00767) Improper isolation of shared resources in some Intel(R) Processors when using Intel(R) Software Guard Extensions may allow a privileged user to potentially enable information disclosure via local access.

CVE-2022-21233 (INTEL-SA-00657) Improper isolation of shared resources in some Intel(R) Processors may allow a privileged user to potentially enable information disclosure via local access.

For Debian 10 buster, these problems have been fixed in version 3.20230214.1~deb10u1.

We recommend that you upgrade your intel-microcode packages.

For the detailed security status of intel-microcode please refer to its security tracker page at:
https://security-tracker.debian.org/tracker/intel-microcode

Further information about Debian LTS security advisories, how to apply these updates to your system and frequently asked questions can be found at: https://wiki.debian.org/LTS Attachment:
signature.asc Description: PGP signature

Tenable has extracted the preceding description block directly from the Debian security advisory.

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

Solution

Upgrade the intel-microcode packages.

Plugin Details

Severity: Medium

ID: 173778

File Name: debian_DLA-3379.nasl

Version: 1.1

Type: local

Agent: unix

Family: Debian Local Security Checks

Published: 4/2/2023

Updated: 1/22/2025

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

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: High

Base Score: 7.2

Temporal Score: 5.3

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

CVSS Score Source: CVE-2022-21216

CVSS v3

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5.9

Vector: CVSS:3.0/AV:A/AC:L/PR:H/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: 4/1/2023

Vulnerability Publication Date: 8/18/2022

Reference Information

CVE: CVE-2022-21216, CVE-2022-21233, CVE-2022-33196, CVE-2022-33972, CVE-2022-38090

Detections

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