Security Bulletin: Vulnerability in Apache Log4j affects IBM Spectrum Scale (CVE-2021-4104)

Summary

A vulnerability in Apache Log4j could allow an attacker to execute arbitrary code on the system. This vulnerability may affect IBM Spectrum Scale due to its use of Log4j for logging.

Vulnerability Details

CVEID:CVE-2021-4104
**DESCRIPTION:**Apache Log4j could allow a remote attacker to execute arbitrary code on the system, caused by the deserialization of untrusted data when the attacker has write access to the Log4j configuration. If the deployed application is configured to use JMSAppender, an attacker could exploit this vulnerability to execute arbitrary code on the system.
CVSS Base score: 8.1
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/215048 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H)

Affected Products and Versions

Remediation/Fixes

For Spectrum Scale HDFS Transparency:

• For IBM Spectrum Scale V5.0.0.0 through 5.0.5.11 using HDFS Transparency 2.7.3.X apply Spectrum Scale HDFS Transparency CVE-2021-4104-noarch-Linux available from Fix Central at:
  https://www.ibm.com/support/fixcentral/swg/selectFixes?parent=Software%20defined%20storage&product=ibm/StorageSoftware/IBM+Spectrum+Scale&release=5.0.5&platform=All&function=all#CVE-2021-4104%20efixes
• For IBM Spectrum Scale V5.0.0.0 through 5.0.5.11 using HDFS Transparency 3.0.0.0 apply Spectrum Scale HDFS Transparency CVE-2021-4104-noarch-Linux available from Fix Central at:
  https://www.ibm.com/support/fixcentral/swg/selectFixes?parent=Software%20defined%20storage&product=ibm/StorageSoftware/IBM+Spectrum+Scale&release=5.0.5&platform=All&function=all#CVE-2021-4104%20efixes
• For IBM Spectrum Scale V5.0.3.0 through 5.1.2.1 using HDFS Transparency 3.1.0.0 through 3.1.0.9 apply Spectrum Scale HDFS Transparency-3.1.0.10.<architecture>-Linux or later available from Fix Central at: https://www.ibm.com/support/fixcentral/swg/selectFixes?parent=Software%20defined%20storage&product=ibm/StorageSoftware/IBM+Spectrum+Scale&release=5.0.5&platform=All&function=all#BDA
• For IBM Spectrum Scale V5.0.4.2 through 5.0.5.11 using HDFS Transparency 3.1.1.0 through 3.1.1.7 upgrade to HDFS Transparency 3.1.1.8 by applying Spectrum Scale_<edition>-5.0.5.12-<architecture>-Linux or later available from Fix Central at: https://www.ibm.com/support/fixcentral/swg/selectFixes?parent=Software%20defined%20storage&product=ibm/StorageSoftware/IBM+Spectrum+Scale&release=5.0.5&platform=All&function=all
• For IBM Spectrum Scale V5.1.0.0 through 5.1.2.1 using HDFS Transparency 3.1.1.2 through 3.1.1.7 upgrade to HDFS Transparency 3.1.1.8 by applying Spectrum Scale_<edition>-5.1.2.2-<architecture>-Linux or later available from Fix Central at: https://www.ibm.com/support/fixcentral/swg/selectFixes?parent=Software%20defined%20storage&product=ibm/StorageSoftware/IBM+Spectrum+Scale&release=5.1.2&platform=All&function=all
• For IBM Spectrum Scale V5.1.1.2 through 5.1.2.1 using HDFS Transparency 3.3.0.0 upgrade to HDFS Transparency 3.3.0.1 by applying Spectrum Scale_<edition>-5.1.2.2-<architecture>-Linux available from Fix Central at: https://www.ibm.com/support/fixcentral/swg/selectFixes?parent=Software%20defined%20storage&product=ibm/StorageSoftware/IBM+Spectrum+Scale&release=5.1.2&platform=All&function=all

For Spectrum Scale Clustered Watch Folder / File Audit Logging:

• For IBM Spectrum Scale V5.0.0 through 5.0.5.11, apply V5.0.5.12 or later available from FixCentral at:

https://www.ibm.com/support/fixcentral/swg/selectFixes?parent=Software%20defined%20storage&product=ibm/StorageSoftware/IBM+Spectrum+Scale&release=5.0.5&platform=All&function=all

• For IBM Spectrum Scale V5.1.0 through 5.1.1.X run

mmmsgqueue config --remove-msgqueue

If you cannot apply the latest level of service, contact IBM Service.

Workarounds and Mitigations

None