Security Bulletin
Summary
Apache Log4j is used by IBM Integrated Analytics System in the Db2 warehouse container. Customers are encourages to take action and apply the fix below.
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 Integrated Analytics System - Db2 warehouse container | 1.0.19.5-1.0.26.1 |
Remediation/Fixes
IBM strongly recommends addressing the vulnerability now by upgrading to the following IBM Integrated Analytics System release:
| Product | VRMF | Remediation / Fix |
|---|---|---|
| IBM Integrated Analytics System | 1.0.26.2 | Link to Fix Central |
Workarounds and Mitigations
Follow below steps to mitigate CVE-2021-44228 if upgrade to newer version of IBM Integrated Analytics System is not possible :
Note: Below mitigation will need a system down time.
1) ssh node0101
2) Edit file “/opt/ibm/appliance/storage/head/db2_config/db2set.text” and add line
DB2_JVM_STARTARGS=“-Dlog4j2.formatMsgNoLookups=true”
3) stop the application
apstop -a
4) start the application
apstart -a
Get Notified about Future Security Bulletins
References
Acknowledgement
Change History
20 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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Document Information
Modified date:
21 December 2021
Initial Publish date:
20 December 2021
UID
ibm16528870