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

Security Bulletin

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

Affected Product(s)	Version(s)
IBM Security Access Manager Appliance	9.0.0.0 - 9.0.7.2
IBM Security Access Manager Docker	9.0.5.0 - 9.0.7.2

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.

Affected Products and Versions	Fixpack availability
IBM Security Access Manager 9.0.0.0 through 9.0.7.1	9.0.7-ISS-ISAM-FP0002
IBM Security Access Manager 9.0.7.2	9.0.7.2-UTILITY-ISAM-REMOVE-LOG4J

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

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References

Complete CVSS v3 Guide
On-line Calculator v3

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Acknowledgement

Change History

14 Dec 2021: Initial Publication

*The CVSS Environment Score is customer environment specific and will ultimately impact the Overall CVSS Score. Customers can evaluate the impact of this vulnerability in their environments by accessing the links in the Reference section of this Security Bulletin.

Disclaimer

Review the IBM security bulletin disclaimer and definitions regarding your responsibilities for assessing potential impact of security vulnerabilities to your environment.

Document Location

Worldwide

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Tips

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