Security Bulletin
Summary
The Apache Log4j vulnerability (CVE-2021-4104) affects the TPF Operations Server, which runs with the z/Transaction Processing Facility (z/TPF). The TPF Operations Server uses Apache Log4j as part of its logging infrastructure. All components in the TPF Operations Server that use Apache Log4j have been updated to use Apache Log4j 2.17.1.
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) |
| TPF Operations Server | 1.2.06 |
Remediation/Fixes
| Product | VRMF | APAR | Remediation/First Fix |
| TPF Operations Server | 1.2.06 | IT40013 | Apply the APAR, which is available for download from the TPF Product Family: Maintenance for TPF Operations Server web page. |
Workarounds and Mitigations
None.
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References
Change History
20 Apr 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:
21 April 2022
Initial Publish date:
20 April 2022
UID
ibm16574035