CentOS 7 : microcode_ctl (CESA-2020:2432)

medium Nessus Plugin ID 137337
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Synopsis

The remote CentOS host is missing a security update.

Description

The remote Redhat Enterprise Linux 7 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2020:2432 advisory.

- hw: Special Register Buffer Data Sampling (SRBDS) (CVE-2020-0543)

- hw: Vector Register Data Sampling (CVE-2020-0548)

- hw: L1D Cache Eviction Sampling (CVE-2020-0549)

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?5ccdb074

Plugin Details

Severity: Medium

ID: 137337

File Name: centos_RHSA-2020-2432.nasl

Version: 1.2

Type: local

Agent: unix

Published: 6/11/2020

Updated: 6/18/2020

Dependencies: ssh_get_info.nasl

Risk Information

CVSS Score Source: CVE-2020-0548

VPR

Risk Factor: Medium

Score: 6.7

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

Exploit Ease: No known exploits are available

Patch Publication Date: 6/10/2020

Vulnerability Publication Date: 1/28/2020

Reference Information

CVE: CVE-2020-0543, CVE-2020-0548, CVE-2020-0549

RHSA: 2020:2432