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Security Bulletin: March 2021 : Multiple vulnerabilities in IBM Java Runtime affect CICS Transaction Gateway

Security Bulletin


Summary

There are multiple vulnerabilities in IBM® Runtime Environment Java™ Versions 7.0, 7.1 and 8.0 used by CICS Transaction Gateway. CICS Transaction Gateway has addressed the applicable CVEs.

Vulnerability Details

CVEID:   CVE-2020-14803
DESCRIPTION:   An unspecified vulnerability in Java SE could allow an unauthenticated attacker to obtain sensitive information resulting in a low confidentiality impact using unknown attack vectors.
CVSS Base score: 5.3
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/190121 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N)

CVEID:   CVE-2020-27221
DESCRIPTION:   Eclipse OpenJ9 is vulnerable to a stack-based buffer overflow when the virtual machine or JNI natives are converting from UTF-8 characters to platform encoding. By sending an overly long string, a remote attacker could overflow a buffer and execute arbitrary code on the system or cause the application to crash.
CVSS Base score: 9.8
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/195353 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)

Affected Products and Versions

Affected Product(s)Version(s)
IBM CICS Transaction Gateway9.2.0.0-9.2.0.2
IBM CICS Transaction Gateway9.1.0.0-9.1.0.3
IBM CICS Transaction Gateway9.0.0.0-9.0.0.5
IBM CICS Transaction Gateway8.1.0.0-8.1.0.5
IBM CICS Transaction Gateway8.0.0.0-8.0.0.6

Remediation/Fixes

Upgrade the JRE used by CICS TG Java client applications and/or the CICS TG Gateway daemon. Updated JREs which can used with CICS TG Java client applications and the Gateway daemon are made available on Fix Central.
 
ProductVRMFAPARRemediation / First Fix
CICS Transaction Gateway for Multiplatforms9.2.0.0
9.2.0.1
9.2.0.2
https://www-945.ibm.com/support/fixcentral/swg/identifyFixes?query.parent=ibm~Other%20software&query.product=ibm~WebSphere~CICS%20Transaction%20Gateway%20for%20Multiplatforms&query.release=9.2.0&query.platform=All
CICS Transaction Gateway for Multiplatforms9.1.0.0
9.1.0.1
9.1.0.2
9.1.0.3
https://www-945.ibm.com/support/fixcentral/swg/identifyFixes?query.parent=ibm~Other%20software&query.product=ibm~WebSphere~CICS%20Transaction%20Gateway%20for%20Multiplatforms&query.release=9.1.0&query.platform=All
CICS Transaction Gateway for Multiplatforms
9.0.0.0
9.0.0.1
9.0.0.2
9.0.0.3
9.0.0.4
9.0.0.5
8.1.0.0
8.1.0.1
8.1.0.2
8.1.0.3
8.1.0.4
8.1.0.5
8.0.0.0
8.0.0.1
8.0.0.2
8.0.0.3
8.0.0.4
8.0.0.5
8.0.0.6
Updated JRE's have been made available on Fix Central as Fix packs.
Solaris: 7.0.10-CICSTG-SolarisSPARC32-JRE-SR80
AIX: 7.0.10-CICSTG-AIXpSeries32-JRE-SR80
xLinux: 7.0.10-CICSTG-Linuxx8632-JRE-SR80
pLinux: 7.0.10-CICSTG-LinuxpSeries32-JRE-SR80
zLinux: 7.0.10-CICSTG-LinuxzSeries31-JRE-SR80
Windows: 7.0.10-CICSTG-Windowsx8632-JRE-SR80		https://www-945.ibm.com/support/fixcentral/swg/identifyFixes?query.parent=ibm~Other%20software&query.product=ibm~WebSphere~CICS%20Transaction%20Gateway%20for%20Multiplatforms&query.release=9.0.0&query.platform=All

Workarounds and Mitigations

None

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References

Complete CVSS v3 Guide
On-line Calculator v3

Off

Related Information

IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog

Change History

17 Mar 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":"SSGMJ2","label":"CICS Transaction Gateway"},"Component":"","Platform":[{"code":"PF002","label":"AIX"},{"code":"PF016","label":"Linux"},{"code":"PF027","label":"Solaris"},{"code":"PF033","label":"Windows"}],"Version":" 8.0.0, 8.1.0, 9.0.0, 9.1.0, 9.2.0","Edition":"","Line of Business":{"code":"LOB35","label":"Mainframe SW"}}]

Document Information

Modified date:
09 December 2021

UID

ibm16431193

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