Security Bulletin
Summary
A vulnerability in the Apache Log4j open source library has been reported in CVE-2021-4104. The version of log4j bundled within MFP 8.0 is 1.x and hence impacted by vulnerability CVE-2021-4104.
Vulnerability Details
CVEID: CVE-2021-4104
DESCRIPTION: Apache Log4j could allow a remote attacker to execute arbitrary code on the system, caused by the deserialization of untrusted data when the attacker has write access to the Log4j configuration. If the deployed application is configured to use JMSAppender, an attacker could exploit this vulnerability to execute arbitrary code on the system.
CVSS Base score: 8.1
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/215048 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H)
Affected Products and Versions
| Affected Product(s) | Version(s) |
| IBM MobileFirst Foundation | 8.0.0.0 |
Remediation/Fixes
There is a vulnerability in the Apache Log4j open source library that has been reported in CVE-2021-4104. The version of log4j bundled within MFP 8.0 is 1.x and hence impacted by vulnerability CVE-2021-4104.
Impact of this vulnerability on the different components are as follows:
1. The version of log4j bundled within MobileFirst Platform Foundation (MFP) 8.0 is 1.x. Any log4j usage in MFP is internal only.
2. For Java adapters usage, follow the set of instructions as mitigation strategy detailed in the workaround/mitigation section.
To fix this vulnerability, MobileFirst is remediating the usage of log4j version which is impacted by this vulnerability as per CISO recommendation.
Remediation of log4j vulnerability is completed and ifix build 8.0.0.0-MFPF-IF202203081427 build is published here http://www.ibm.com/support/fixcentral/quickorder?product=ibm%2FOther+software%2FI[…]atform+Foundation&fixids=8.0.0.0-MFPF-IF202203081427&source=SAR
Workarounds and Mitigations
Workarounds and Mitigations
Note on Java adapters usage :
If Java adapters include log4j 1.x libraries or 3rd party frameworks that include log4j1.x libraries, upgrade the latest log4j2 versions which is not impacted by this vulnerability immediately and redeploy the Java adapters. If you are using a vulnerable version of log4j1.x , use the mitigation strategy described in the https://access.redhat.com/security/cve/CVE-2021-4104.
Get Notified about Future Security Bulletins
References
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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Document Information
More support for:
IBM MobileFirst Platform Foundation
Software version:
8.0.0.0
Operating system(s):
Linux, Windows, Mac OS
Document number:
6563275
Modified date:
14 March 2022
UID
ibm16563275