RHEL 7 / 8 : OpenShift Container Platform 4.8.13 (RHSA-2021:3631)

high Nessus Plugin ID 153834

Synopsis

The remote Red Hat host is missing a security update.

Description

The remote Redhat Enterprise Linux 7 / 8 host has a package installed that is affected by a vulnerability as referenced in the RHSA-2021:3631 advisory.

- kubernetes: Symlink exchange can allow host filesystem access (CVE-2021-25741)

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 openshift-hyperkube package.

See Also

https://access.redhat.com/security/cve/CVE-2021-25741

https://access.redhat.com/errata/RHSA-2021:3631

https://bugzilla.redhat.com/1993749

Plugin Details

Severity: High

ID: 153834

File Name: redhat-RHSA-2021-3631.nasl

Version: 1.6

Type: local

Agent: unix

Published: 10/1/2021

Updated: 1/23/2023

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

Risk Information

VPR

Risk Factor: Medium

Score: 5.2

CVSS v2

Risk Factor: Medium

Base Score: 5.5

Temporal Score: 4.1

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

CVSS Score Source: CVE-2021-25741

CVSS v3

Risk Factor: High

Base Score: 8.1

Temporal Score: 7.1

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

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

Vulnerability Information

CPE: cpe:/o:redhat:enterprise_linux:7, cpe:/o:redhat:enterprise_linux:8, p-cpe:/a:redhat:enterprise_linux:openshift-hyperkube

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: 9/28/2021

Vulnerability Publication Date: 9/20/2021

Reference Information

CVE: CVE-2021-25741

CWE: 59

RHSA: 2021:3631