Security Bulletin: IBM Planning Analytics 2.0: Apache Log4j Vulnerabilities (CVE-2021-45046 & CVE-2021-45105)

Summary

Within IBM Planning Analytics 2.0, only the IBM Planning Analytics Workspace component of IBM Planning Analytics is affected by security vulnerabilties. Apache Log4j is used by IBM Planning Analytics Workspace as part of its logging infrastructure. This bulletin addresses the exposure to the Apache Log4j CVE-2021-45046 and CVE-2021-45105 vulnerabilities . IBM Planning Analytics Workspace 2.0 has upgraded Apache Log4j to v2.17. Please note that this update also addresses CVE-2021-44228.

Vulnerability Details

CVEID:CVE-2021-45046
**DESCRIPTION:**Apache Log4j could result in remote code execution, caused by an incomplete fix of CVE-2021-44228 in certain non-default configurations. When the logging configuration uses a non-default Pattern Layout with a Context Lookup, an attacker with control over Thread Context Map (MDC) input data can craft malicious input data using a JNDI Lookup pattern to leak sensitive information and remote code execution in some environments and local code execution in all environments.
CVSS Base score: 9
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/215195 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H)

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.
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 Planning Analytics Workspace 2.0.57 or higher.

Remediation/Fixes

This Security Bulletin is applicable to IBM Planning Analytics 2.0.

If you have one the listed affected versions, it is strongly recommended that you apply the most recent security update:

Download IBM Planning Analytics Local v2.0 - Planning Analytics Workspace Release 72 from Fix Central

Please note that this update also addresses CVE-2021-44228.

Remediation for IBM Planning Analytics on Cloud has completed.

Workarounds and Mitigations

None