Detections
Analytics
RHEL 7 / 8 : OpenShift Container Platform 4.8.13 (RHSA-2021:3631)
high Nessus Plugin ID 153834
Language:
Synopsis
The remote Red Hat host is missing a security update for OpenShift Container Platform 4.8.13.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.Red Hat OpenShift Container Platform is Red Hat's cloud computing Kubernetes application platform solution designed for on-premise or private cloud deployments.
This advisory contains the RPM packages for Red Hat OpenShift Container Platform 4.8.13. See the following advisory for the container images for this release:
https://access.redhat.com/errata/RHSA-2021:3632
Security Fix(es):
* kubernetes: Symlink exchange can allow host filesystem access (CVE-2021-25741)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
All OpenShift Container Platform 4.8 users are advised to upgrade to these updated packages and images when they are available in the appropriate release channel. To check for available updates, use the OpenShift Console or the CLI oc command. Instructions for upgrading a cluster are available at https://docs.openshift.com/container-platform/4.8/updating/updating-cluster
-between-minor.html#understanding-upgrade-channels_updating-cluster-between
-minor
Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.
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 RHEL OpenShift Container Platform 4.8.13 package based on the guidance in RHSA-2021:3631.See Also
http://www.nessus.org/u?aa6c622b
https://access.redhat.com/security/updates/classification/#important
Plugin Details
Severity: High
ID: 153834
File Name: redhat-RHSA-2021-3631.nasl
Version: 1.8
Type: local
Agent: unix
Family: Red Hat Local Security Checks
Published: 10/1/2021
Updated: 11/7/2024
Supported Sensors: Agentless Assessment, Continuous Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent, Nessus
Risk Information
VPR
Risk Factor: Medium
Score: 5.2
Vendor
Vendor Severity: Important
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: p-cpe:/a:redhat:enterprise_linux:openshift-hyperkube, p-cpe:/a:redhat:enterprise_linux:openshift, cpe:/o:redhat:enterprise_linux:8, cpe:/o:redhat:enterprise_linux:7
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