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Security Bulletin: IBM UrbanCode Release is vulnerable to arbitrary code execution due to Apache Log4j( CVE-2021-44228)

Security Bulletin


Summary

IBM UrbanCode Release is impacted by CVE-2021-44228 through the use Apache log4j-1.2 which is part of the logging infrastructure. A logging configuration change can exploit the weakness resulting in unauthorized access to the administrative functions within Settings. An iFix has been provided which contains a modified log4j-1.2.jar in which all network 'appenders' including 'JMSAppender' have been removed.

Vulnerability Details

CVEID:   CVE-2021-44228
DESCRIPTION:   Apache Log4j could allow a remote attacker to execute arbitrary code on the system, caused by the failure to protect against attacker controlled LDAP and other JNDI related endpoints by JNDI features. By sending a specially crafted code string, an attacker could exploit this vulnerability to load arbitrary Java code on the server and take complete control of the system. Note: The vulnerability is also called Log4Shell or LogJam.
CVSS Base score: 10
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/214921 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H)

Affected Products and Versions

Affected Product(s)Version(s)
IBM UrbanCode Release6.2.5.0 - 6.2.5.1
IBM UrbanCode Release6.2.4.0 - 6.2.4.1
IBM UrbanCode Release6.2.3.0 - 6.2.3.1
IBM UrbanCode Release6.2.2.0 - 6.2.2.7

 


Remediation/Fixes

See Workarounds and Mitigations section

 

Workarounds and Mitigations

IBM strongly recommends addressing the vulnerability now and executing one of the below mitigation options.

 

> Option 1:

Upgrading the IBM UrbanCode Release to most current version of 6.2.5.5 which contains a modified version of log4j-1.2.jar in

which all network 'appenders' including 'JMSAppender' have been removed.

 

 *Note: 6.2.5.2 - 6.2.5.4 also have the modified log4j-1.2.jar to address the vulnerability.

Affected Product(s)Version(s)Remediation/Fixes
IBM UrbanCode Release6.2.5.0 - 6.2.5.1Download IBM UrbanCode Release version 6.2.5.5
IBM UrbanCode Release6.2.4.0 - 6.2.4.1Download IBM UrbanCode Release version 6.2.5.5
IBM UrbanCode Release6.2.3.0 - 6.2.3.1Download IBM UrbanCode Release version 6.2.5.5
IBM UrbanCode Release6.2.2.0 - 6.2.2.7Download IBM UrbanCode Release version 6.2.5.5

 

> Option 2:

For customers not wishing to upgrade to IBM UrbanCode Release version 6.2.5.5 and prefer to replace the existing Log4j.jar file only.

Affected Product(s)Version(s)Remediation/Fixes/Instructions
IBM UrbanCode Release6.2.5.0 - 6.2.5.1
  • Download and extract the interim fix IBM_UCR_6.2-iFix_Log4j-CVE-2021-44228
  • Replace the existing log4j.jar library as indicated in the README file
IBM UrbanCode Release6.2.4.0 - 6.2.4.1
  • Download and extract the interim fix IBM_UCR_6.2-iFix_Log4j-CVE-2021-44228
  • Replace the existing log4j.jar library as indicated in the README file
IBM UrbanCode Release6.2.3.0 - 6.2.3.1
  • Download and extract the interim fix IBM_UCR_6.2-iFix_Log4j-CVE-2021-44228
  • Replace the existing log4j.jar library as indicated in the README file
IBM UrbanCode Release6.2.2.0 - 6.2.2.7
  • Download and extract the interim fix IBM_UCR_6.2-iFix_Log4j-CVE-2021-44228
  • Replace the existing log4j.jar library as indicated in the README file

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References

Complete CVSS v3 Guide
On-line Calculator v3

Off

 

 

Related Information

IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog

IBM Secure Engineering Web Portal  

IBM Product Security Incident Response Blog  

Change History

07 Jan 2022: 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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Document Information

Modified date:
09 February 2022

UID

ibm16554910

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