Security Bulletin: Rational Asset Analyzer (RAA) is vulnerable to arbitrary code execution due to Apache Log4j (CVE-2021-4104)

Summary

A vulnerability in Apache Log4j (CVE-2021-4104) affects WebSphere Application Server (WAS) Liberty which is used by RAA. The vulnerability was addressed by removing Apache Log4j from WAS Liberty.

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 the vulnerability now by applying the fix from Fix Central.

For the affected product and versions listed above, please download and install the patch for the applicable operating system.

Release date: 2022/01/04

Workarounds and Mitigations

None