CentOS 7 : microcode_ctl (CESA-2020:5083)

medium Nessus Plugin ID 143113

Synopsis

The remote CentOS Linux host is missing one or more security updates.

Description

The remote CentOS Linux 7 host has a package installed that is affected by multiple vulnerabilities as referenced in the CESA-2020:5083 advisory.

- hw: Information disclosure issue in Intel SGX via RAPL interface (CVE-2020-8695)

- hw: Vector Register Leakage-Active (CVE-2020-8696)

- hw: Fast forward store predictor (CVE-2020-8698)

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

Solution

Update the affected microcode_ctl package.

See Also

http://www.nessus.org/u?fc207766

https://cwe.mitre.org/data/definitions/200.html

https://cwe.mitre.org/data/definitions/212.html

Plugin Details

Severity: Medium

ID: 143113

File Name: centos_RHSA-2020-5083.nasl

Version: 1.5

Type: local

Agent: unix

Published: 11/19/2020

Updated: 12/1/2020

Supported Sensors: Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure

Risk Information

CVSS Score Source: CVE-2020-8698

VPR

Risk Factor: Medium

Score: 6.1

CVSS v2

Risk Factor: Low

Base Score: 2.1

Temporal Score: 1.6

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

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

CVSS v3

Risk Factor: Medium

Base Score: 5.5

Temporal Score: 4.8

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

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

Vulnerability Information

CPE: p-cpe:/a:centos:centos:microcode_ctl, cpe:/o:centos:centos:7

Required KB Items: Host/local_checks_enabled, Host/CentOS/release, Host/CentOS/rpm-list, Host/cpu

Exploit Ease: No known exploits are available

Patch Publication Date: 11/19/2020

Vulnerability Publication Date: 11/11/2020

Reference Information

CVE: CVE-2020-8695, CVE-2020-8696, CVE-2020-8698

RHSA: 2020:5083

CWE: 200, 212