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RedHat: RHSA-2021-5148-01 Critical: OpenShift RCE and DoS Threats

red hat
Calendar Grey December 15, 2021
Dist Redhat Esm H88
Critical security update notice for OpenShift Container Platform version 4.8.z, focusing on significant vulnerabilities that require immediate attention.
Red Hat OpenShift Container Platform release 4.8.z is now available with updates to packages and images that fix several bugs and add enhancements

Solution

For OpenShift Container Platform 4.8 see the following documentation, which will be updated shortly for this release, for important instructions on how to upgrade your cluster and fully apply this asynchronous errata update:

https://docs.redhat.com/en/documentation/openshift_container_platform/4.8/html/release_notes/ocp-4-8-release-notes

Details on how to access this content are available at https://docs.redhat.com/en/documentation/openshift_container_platform/4.8/html/updating_clusters/updating-cluster-cli

Summary

Red Hat OpenShift Container Platform is Red Hat's cloud computing Kubernetes application platform solution designed for on-premise or private cloud deployments.
Security Fix(es):
* log4j-core: Remote code execution in Log4j 2.x when logs contain an attacker-controlled string value (CVE-2021-44228) * log4j: Remote code execution in Log4j 1.x when application is configured to use JMSAppender (CVE-2021-4104) * log4j-core: DoS in log4j 2.x with thread context message pattern and context lookup pattern (incomplete fix for CVE-2021-44228) (CVE-2021-45046)
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.

Topics%20covered

Topics Covered

security advisory Red Hat update remote code execution DoS Critical OpenShift

References

https://access.redhat.com/security/cve/CVE-2021-4104 https://access.redhat.com/security/cve/CVE-2021-44228 https://access.redhat.com/security/cve/CVE-2021-45046 https://access.redhat.com/security/updates/classification/#critical https://access.redhat.com/security/vulnerabilities/RHSB-2021-009

Package List


Severity
critical
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2021:5148-01
Product: Red Hat OpenShift Enterprise
Advisory URL: https://access.redhat.com/errata/RHSA-2021:5148
Issue date: 2021-12-15

Topic

Red Hat OpenShift Container Platform release 4.8.z is now available withupdates to packages and images that fix several bugs and add enhancements.Red Hat Product Security has rated this update as having a security impactof Critical. A Common Vulnerability Scoring System (CVSS) base score, whichgives a detailed severity rating, is available for each vulnerability fromthe CVE link(s) in the References section.

Topics%20covered

Topics Covered

security advisory Red Hat update remote code execution DoS Critical OpenShift

Relevant Releases Architectures

Bugs Fixed

2030932 - CVE-2021-44228 log4j-core: Remote code execution in Log4j 2.x when logs contain an attacker-controlled string value

2031667 - CVE-2021-4104 log4j: Remote code execution in Log4j 1.x when application is configured to use JMSAppender

2032580 - CVE-2021-45046 log4j-core: DoS in log4j 2.x with thread context message pattern and context lookup pattern (incomplete fix for CVE-2021-44228)

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