Detections
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CentOS 8 : grub2 (CESA-2020:0335)

medium Nessus Plugin ID 145972

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Synopsis

The remote CentOS host is missing a security update.

Description

The remote CentOS Linux 8 host has packages installed that are affected by a vulnerability as referenced in the CESA-2020:0335 advisory.

 - grub2: grub2-set-bootflag utility causes grubenv corruption rendering the system non-bootable (CVE-2019-14865)

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 packages.

See Also

https://access.redhat.com/errata/RHSA-2020:0335

Plugin Details

Severity: Medium

ID: 145972

File Name: centos8_RHSA-2020-0335.nasl

Version: 1.4

Type: local

Agent: unix

Published: 2/1/2021

Updated: 3/23/2021

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

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Medium

Base Score: 4.9

Temporal Score: 3.6

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

CVSS Score Source: CVE-2019-14865

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:N/I:N/A:H

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

Vulnerability Information

CPE: p-cpe:/a:centos:centos:grub2-common, p-cpe:/a:centos:centos:grub2-tools, p-cpe:/a:centos:centos:grub2-efi-x64, p-cpe:/a:centos:centos:grub2-ppc64le-modules, p-cpe:/a:centos:centos:grub2-ppc64le, p-cpe:/a:centos:centos:grub2-efi-ia32-modules, p-cpe:/a:centos:centos:grub2-efi-aa64-cdboot, p-cpe:/a:centos:centos:grub2-efi-aa64, cpe:/o:centos:centos:8, p-cpe:/a:centos:centos:grub2-efi-ia32-cdboot, p-cpe:/a:centos:centos:grub2-efi-x64-cdboot, p-cpe:/a:centos:centos:grub2-efi-aa64-modules, p-cpe:/a:centos:centos:grub2-tools-extra, p-cpe:/a:centos:centos:grub2-tools-efi, p-cpe:/a:centos:centos:grub2-tools-minimal, p-cpe:/a:centos:centos:grub2-pc, p-cpe:/a:centos:centos:grub2-efi-x64-modules, p-cpe:/a:centos:centos:grub2-pc-modules, p-cpe:/a:centos:centos:grub2-efi-ia32

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

Exploit Ease: No known exploits are available

Patch Publication Date: 2/4/2020

Vulnerability Publication Date: 11/29/2019

Reference Information

CVE: CVE-2019-14865

RHSA: 2020:0335