Security Bulletin: IBM Workload Scheduler is vulnerable to arbitrary file creation vulnerability due to CVE-2022-22369 affecting JLOG component

Summary

The Jlog component on the Master Domain Manager of IBM Workload Scheduler permits an unauthenticated user to interact with the system making it possible to modify the way the service works or modify system files.

Vulnerability Details

CVEID:CVE-2022-22369
**DESCRIPTION:**IBM Workload Automation could allow a local user to overwrite key system files which would cause the system to crash.
CVSS Base score: 6.2
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/221187 for the current score.
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)

Affected Products and Versions

Remediation/Fixes

APAR IJ37881 has been opened to address CVE-2022-22369.
APAR IJ37881 has been included in IBM Workload Scheduler 9.5.0.6.

For 9.4 release it is possible to apply the following workaround, in

<TWA home>/WAS/TWSProfile/config/cells/TWSNodeCell/nodes/TWSNode/servers/server1/server.xml

locate the section “jvmEntries” and add the following JVM option -Djlog.noLogCmd=true.

It is necessary to restart WebSphere to make the workaround active.

Workarounds and Mitigations

See Remediation/Fixes section.