There is a vulnerability in the Apache Log4j open source library used by IBM Operations Analytics Predictive Insights. Apache Log4j versions 2.0-alpha1 through 2.16.0 (excluding 2.12.3 and 2.3.1) did not protect from uncontrolled recursion from self-referential lookups which allows a Denial of Service attack. This affects the IBM Operations Analytics Predictive Insights Analytics, UI and REST Mediation components. This vulnerability has been addressed and the fix upgrades to Apache Log4j v. 2.17.1
DESCRIPTION: Apache Log4j is vulnerable to a denial of service, caused by the failure to protect from uncontrolled recursion from self-referential lookups. A remote attacker with control over Thread Context Map (MDC) input data could craft malicious input data that contains a recursive lookup to cause a StackOverflowError that will terminate the process. Note: The vulnerability is also called LOG4J2-3230.
CVSS Base score: 7.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/215647 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
Affected Products and Versions
|IBM Operations Analytics Predictive Insights||1.3.6|
If not already applied, IBM strongly recommends addressing the vulnerability:
1. apply 1.3.6 Interim Fix 5
2. THEN apply predictiveInsights1.3.6_iFix5_log4j_patch2
Instructions on how to apply both, iFix5 and patch2 are found in the README in the downloaded software.
Workarounds and Mitigations
Get Notified about Future Security Bulletins
14 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.
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17 January 2022