Security Bulletin: Vulnerability in Apache Log4j affects IBM Cloud Foundry Migration Runtime (CVE-2021-44228)

Security Bulletin

Summary

There is a vulnerability in the Apache Log4j open source library. The library is used by Cloud Foundry which is a component of IBM Cloud Foundry Migration Runtime.

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)
Cloud Foundry Migration Runtime	All

Remediation/Fixes

The recommended solution involves a component of IBM Cloud Foundry Migration Runtime. The name of the component is Cloud Foundry. IBM strongly recommends addressing the vulnerability now by following the instructions below:

Upgrade to IBM Cloud Foundry Migration Runtime 4.1.3 or higher.

If automatic upgrades has been disabled, upgrade to the latest Cloud Foundry Migration Runtime release from the IBM Catalog using these instructions

IBM Cloud Foundry Migration Runtime Upgrade

To find the current version of IBM Cloud Foundry Migration Runtime being used,

Click on the IBM Cloud Foundry Operator Catalog menu.

Select IBM Cloud Foundry Migration Runtime catalog.

If the version located on the left hand side of the catalog is 2.1.1 an upgrade is required. A successful upgrade will show 2.1.2.

Workarounds and Mitigations

None

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References

Complete CVSS v3 Guide
On-line Calculator v3

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Change History

21 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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Tips

Security Bulletin: Vulnerability in Apache Log4j affects IBM Cloud Foundry Migration Runtime (CVE-2021-44228)