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Security Bulletin: Log4j Vulnerability ( CVE-2021-44228 ) in IBM Informix Dynamic Server in Cloud Pak for Data

Security Bulletin


Summary

This Security Alert addresses CVE-2021-44228, a vulnerability in Apache Log4j. Versions Affected: All Apache Log4j2 <=2.14.1 on IBM Informix Dynamic Server in Cloud Pak for Data

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 Informix Dynamic Server on Cloud Pak for DataAll

Remediation/Fixes

None

Workarounds and Mitigations

IBM strongly recommends addressing the vulnerability now by executing these manual steps.

  1. Upgrade your Informix 4.0.0 deployments to 4.0.1
  2. Install the Informix operator version 4.0.1 (included in the CASE ibm-informix-operator-bundle-4.0.3.tgz)
  3. Navigate to the official documentation for the Informix CP4D service (https://www.ibm.com/docs/en/cloud-paks/cp-data/4.0?topic=services-informix) and follow the steps in the “Upgrading Informix” to update any deployed Informix custom resource from 4.0.0 to 4.0.1

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References

Complete CVSS v3 Guide
On-line Calculator v3

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Related Information

IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog

Change History

16 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:
16 December 2021

UID

ibm16529282

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