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

Security Bulletin


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

Affected Product(s)Version(s)
z/Transaction Processing Facility1.1
TPF Operations Server1.2.06

Remediation/Fixes

ProductVRMFAPARRemediation/First Fix
 z/TPF1.1PJ46688 Apply the APAR, which is available for download from the TPF Family Products: Maintenance for z/TPF & z/TPFDF web page.
TPF Operations Server1.2.06IT39419

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

Complete CVSS v3 Guide
On-line Calculator v3

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Related Information

IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog

Change History

20 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

[{"Business Unit":{"code":"BU058","label":"IBM Infrastructure w\/TPS"},"Product":{"code":"SSZL53","label":"z\/Transaction Processing Facility (TPF)"},"Component":"","Platform":[{"code":"PF036","label":"z\/TPF"}],"Version":"1.1","Edition":"","Line of Business":{"code":"LOB35","label":"Mainframe SW"}}]

Document Information

Modified date:
20 December 2021

UID

ibm16528436

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