Security Bulletin
Summary
A potential vulnerability inApache Log4j - CVE-2021-4105 has been identified that may affect IBM Watson Assistant for IBM Cloud Pak for Data. Several components of IBM Watson Assistant for IBM Cloud Pak for Data use Log4j to log diagnostic data unrelated to customer input. Refer to details for additional information.
Vulnerability Details
CVEID: CVE-2021-45105
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
| Affected Product(s) | Version(s) |
| WA for ICP | 1.5.0, 4.0.0, 4.0.2, 4.0.4 |
Remediation/Fixes
IBM strongly recommends addressing the vulnerability now by upgrading to the upcoming latest (v4.0.5) release of IBM Watson Assistant for IBM Cloud Pak for Data which maintains backward compatibility with the versions listed above.
| Latest Version | Link to Release (v4.0.5 release information) |
| IBM Watson Assistant for IBM Cloud Pak for Data 4.0.5 | https://www.ibm.com/docs/en/cloud-paks/cp-data/4.0?topic=assistant-installing-watson |
Workarounds and Mitigations
None
Get Notified about Future Security Bulletins
References
Change History
12 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:
27 January 2022
Initial Publish date:
12 January 2022
UID
ibm16551434