Security Bulletin: IBM Security Access Manager has fixed a vulnerability in the log4j library shipped with the product. (CVE-2021-4104)

Summary

The IBM Security Access Manager version 9.0 ships with a version of log4j that is vulnerable to CVE-2021-4104. The log4j library is no longer used by the IBM Security Access Manager product and a Fixpack has been provided to remove the unused library.

Vulnerability Details

CVEID:CVE-2021-4104
**DESCRIPTION:**Apache Log4j could allow a remote authenticated 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: 6.6
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:H/UI:N/S:U/C:H/I:H/A:H)

Affected Products and Versions

Remediation/Fixes

IBM Security Access Manager Appliance

IBM Security Access Manager customers with installed versions of 9.0.4.0 through 9.0.7.2 can apply the 9.0.7.2-UTILITY-ISAM-REMOVE-LOG4J fixpack to remove the log4j v1 library from their systems. It is still recommended that customers move to the latest supported version of IBM Security Access Manager 9.0.7.2 to receive any further security fixes.

IBM Security Access Manager (Container)

For v9.0.5.0 through 9.0.7.1

• Obtain the latest version of the container by running the following command “docker pull ibmcom/isam:[tag]”

Where [tag] is the latest published version and can be confirmed here

• DownloadAppliance Fix Pack here
• Apply Appliance Fix Pack as outlined here

Workarounds and Mitigations

None