Security Bulletin: The Apache Log4j (CVE-2021-44228) vulnerability affects z/TPF and TPF Operations Server

Summary

The Apache Log4j vulnerability (CVE-2021-44228) affects the z/Transaction Processing Facility (z/TPF) system and TPF Operations Server. Several Java applications on the z/TPF system depend on Apache Log4j capabilities. Additionally, the 64-bit Java support in TPF Operations Server uses Apache Log4j capabilities. All components in the z/TPF system and TPF Operations Server that use Apache Log4j have been updated to use Apache Log4j 2.16.0.

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

Remediation/Fixes

Apply the APAR, which is available for download from the TPF Product Family: Maintenance for TPF Operations Server web page.

Workarounds and Mitigations

None.