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RedHat: RHSA-2021-5106-01 Critical: OpenShift 4.6 Remote Code Exec

red hat
Calendar Grey December 16, 2021
Dist Redhat Esm H88
Red Hat has released an urgent security patch for OpenShift Container Platform 4.6, tackling multiple serious vulnerabilities.
An update is now available for Red Hat OpenShift Container Platform 4.6

Solution

For OpenShift Container Platform 4.6 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/4.6/html/release_notes/ocp-4-6-release-notes

Details on how to access this content are available at https://docs.redhat.com/en/documentation/openshift_container_platform/4.6/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-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 DoS Critical Remote Code Execution OpenShift

References

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-2021:5106-01
Product: Red Hat OpenShift Enterprise
Advisory URL: https://access.redhat.com/errata/RHSA-2021:5106
Issue date: 2021-12-16

Topic

An update is now available for Red Hat OpenShift Container Platform 4.6.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 DoS Critical Remote Code Execution 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

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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