Security Bulletin: IBM Cloud Pak for Data System 1.0 is vulnerable to denial of service due to Apache Log4j (CVE-2021-45105)

Summary

Apache Log4j is used by IBM Cloud Pak for Data System 1.0 in Openshift Logging. This bulletin provides a remediation for the Apache Log4j vulnerability (CVE-2021-45105).

Vulnerability Details

CVEID:CVE-2021-45105
**DESCRIPTION:**Apache Log4j is vulnerable to a denial of service, caused by the failure to protect from uncontrolled recursion from self-referential lookups. A remote attacker with control over Thread Context Map (MDC) input data could craft malicious input data that contains a recursive lookup to cause a StackOverflowError that will terminate the process. Note: The vulnerability is also called LOG4J2-3230.
CVSS Base score: 7.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/215647 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)

Affected Products and Versions

Remediation/Fixes

IBM strongly recommends addressing the vulnerability now by upgrading to the following ICPDS version

For NPS customers:

NPS customer needs to upgrade to the following IBM Cloud Pak for Data System 1.x version where Red Hat OpenShift Container Platform 3.11 is no longer available.

IBM Cloud Pak for Data System 1.0

| 1.0.7.8| Link to Fix Central

• Please refer the release notes for ICPDS 1.0.7.8

For CPD customers:

CPD customers needs to migrate to the following IBM Cloud Pak for Data System 2.x version.

IBM Cloud Pak for Data System 2.0

| 2.0.1.1| Link to Fix Central

• Please refer the release notes for ICPDS 2.0.1.1

Workarounds and Mitigations

None