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RHEL 7 : RHV-H enhancement and security update (redhat-virtualization-host) 4.3.14 (Moderate) (RHSA-2021:1051)

high Nessus Plugin ID 148256

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Synopsis

The remote Red Hat host is missing a security update.

Description

The remote Redhat Enterprise Linux 7 host has a package installed that is affected by a vulnerability as referenced in the RHSA-2021:1051 advisory.

 - lldp/openvswitch: denial of service via externally triggered memory leak (CVE-2020-27827)

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 redhat-virtualization-host-image-update package.

See Also

https://access.redhat.com/security/cve/CVE-2020-27827

https://access.redhat.com/errata/RHSA-2021:1051

https://bugzilla.redhat.com/1921438

Plugin Details

Severity: High

ID: 148256

File Name: redhat-RHSA-2021-1051.nasl

Version: 1.8

Type: local

Agent: unix

Published: 3/31/2021

Updated: 5/24/2023

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

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: High

Base Score: 7.1

Temporal Score: 5.3

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

CVSS Score Source: CVE-2020-27827

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

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

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

Vulnerability Information

CPE: cpe:/o:redhat:enterprise_linux:7, p-cpe:/a:redhat:enterprise_linux:redhat-virtualization-host-image-update

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

Exploit Ease: No known exploits are available

Patch Publication Date: 3/31/2021

Vulnerability Publication Date: 3/18/2021

Reference Information

CVE: CVE-2020-27827

CWE: 400

RHSA: 2021:1051