Security Bulletin: Vulnerability in Apache Log4j may affect IBM Spectrum Archive Enterprise Edition (CVE-2021-4104)

Summary

A vulnerability in Apache Log4j v1 could result in remote code execution. IBM Spectrum Archive Enterprise Edition includes the IBM Spectrum Protect Backup-Archive Client which installs the vulnerable Log4j v1 files. The below fix package includes Apache Log4j 2.17.1.

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

IBM strongly recommends addressing this vulnerability now by upgrading.

Note: The fix includes Log4j v2.17.1

Based on current analysis and information, IBM Spectrum Archive Library Edition (LE) and Single Drive Edition (SDE) are not affected.

Workarounds and Mitigations

For Log4j in Elasticsearch and Logstash, which were previously redistributed by IBM Spectrum Archive Enterprise Edition, between version 1.3.0.0 to 1.3.2.1, IBM strongly recommends addressing the vulnerability now by executing the Workarounds and Mitigations in <https://www.ibm.com/support/pages/node/6527808&gt;