Security Bulletin: Multiple vulnerabilities in IBM Java Runtime affect CICS Transaction Gateway for Multiplatforms and CICS Transaction Gateway Desktop Edition

Summary

There are multiple vulnerabilities in IBM® Runtime Environment Java™ Versions 7.0, 7.1, 8.0 and 11.0 used by CICS Transaction Gateway for Multiplatforms and CICS Transaction Gateway Desktop Edition. CICS Transaction Gateway has addressed a CVE that could allow an unauthenticated attacker to cause a denial of service and two CVEs that could allow an unauthenticated attacker to cause no confidentiality impact, low integrity impact, and no availability impact.

Vulnerability Details

CVEID:CVE-2022-21496
**DESCRIPTION:**An unspecified vulnerability in Java SE related to the JNDI component could allow an unauthenticated attacker to cause no confidentiality impact, low integrity impact, and no availability impact.
CVSS Base score: 5.3
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/224777 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N)

CVEID:CVE-2022-21434
**DESCRIPTION:**An unspecified vulnerability in Java SE related to the Libraries component could allow an unauthenticated attacker to cause no confidentiality impact, low integrity impact, and no availability impact.
CVSS Base score: 5.3
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/224718 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N)

CVEID:CVE-2022-21443
**DESCRIPTION:**An unspecified vulnerability in Java SE related to the Libraries component could allow an unauthenticated attacker to cause a denial of service resulting in a low availability impact using unknown attack vectors.
CVSS Base score: 3.7
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/224726 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L)

Affected Products and Versions

Affected Products	Versions
CICS Transaction Gateway for Multiplatforms and CICS Transaction Gateway Desktop Edition	9.1
CICS Transaction Gateway for Multiplatforms and CICS Transaction Gateway Desktop Edition	9.2
CICS Transaction Gateway for Multiplatforms and CICS Transaction Gateway Desktop Edition	9.3

Note: PSIRT fixes for CICS Transaction Gateway for Multiplatforms 9.0 and CICS Transaction Gateway Desktop Edition 9.0 will only be provided for extended support customers via IBM Support.

Remediation/Fixes

Below are the fixes provided for CICS Transaction Gateway 9.1:

Product

| VRMF|Platform|Remediation/First Fix
—|—|—|—
CICS Transaction Gateway for Multiplatforms and CICS Transaction Gateway Desktop Edition| 9.1.0.3| AIX| IBM Runtime Environment Java 7.0: Fix Central Link

IBM Runtime Environment Java 7.1: Fix Central Link
CICS Transaction Gateway for Multiplatforms and CICS Transaction Gateway Desktop Edition| 9.1.0.3|

Linux on POWER Big Endian

|

IBM Runtime Environment Java 7.0: Fix Central Link

IBM Runtime Environment Java 7.1: Fix Central Link

CICS Transaction Gateway for Multiplatforms and CICS Transaction Gateway Desktop Edition| 9.1.0.3|

Linux on Intel

|

IBM Runtime Environment Java 7.0: Fix Central Link

IBM Runtime Environment Java 7.1: Fix Central Link

CICS Transaction Gateway for Multiplatforms and CICS Transaction Gateway Desktop Edition|

9.1.0.3

|

Linux on IBM Z

|

IBM Runtime Environment Java 7.0: Fix Central Link

IBM Runtime Environment Java 7.1: Fix Central Link

CICS Transaction Gateway for Multiplatforms and CICS Transaction Gateway Desktop Edition|

9.1.0.3

| Windows|

IBM Runtime Environment Java 7.0: Fix Central Link

IBM Runtime Environment Java 7.1: Fix Central Link

CICS Transaction Gateway for Multiplatforms and CICS Transaction Gateway Desktop Edition|

9.1.0.3

| Solaris| IBM Runtime Environment Java 7.0: Fix Central Link

Below are the fixes provided for CICS Transaction Gateway 9.2:

Product

| VRMF|Platform|Remediation/First Fix
—|—|—|—
CICS Transaction Gateway for Multiplatforms and CICS Transaction Gateway Desktop Edition| 9.2.0.2| AIX|

Fix Central Link

CICS Transaction Gateway for Multiplatforms and CICS Transaction Gateway Desktop Edition| 9.2.0.2|

Linux on POWER Big Endian

|

Fix Central Link

CICS Transaction Gateway for Multiplatforms and CICS Transaction Gateway Desktop Edition| 9.2.0.2|

Linux on Intel

|

Fix Central Link

CICS Transaction Gateway for Multiplatforms and CICS Transaction Gateway Desktop Edition| 9.2.0.2|

Linux on IBM Z

|

Fix Central Link

CICS Transaction Gateway for Multiplatforms and CICS Transaction Gateway Desktop Edition| 9.2.0.2|

Windows

|

Fix Central Link

Below are the fixes provided for CICS Transaction Gateway 9.3:

Product

| VRMF|Platform|Remediation/First Fix
—|—|—|—
CICS Transaction Gateway for Multiplatforms and CICS Transaction Gateway Desktop Edition| 9.3.0.0| AIX|

Fix Central Link

CICS Transaction Gateway for Multiplatforms and CICS Transaction Gateway Desktop Edition| 9.3.0.0| Linux on Intel|

Fix Central Link

CICS Transaction Gateway for Multiplatforms and CICS Transaction Gateway Desktop Edition| 9.3.0.0| Linux on IBM Z|

Fix Central Link

CICS Transaction Gateway for Multiplatforms and CICS Transaction Gateway Desktop Edition| 9.3.0.0| Linux on POWER Little Endian|

Fix Central Link

CICS Transaction Gateway for Multiplatforms| 9.3.0.0| Linux on IBM Z container|

Fix Central Link

CICS Transaction Gateway for Multiplatforms| 9.3.0.0| Linux on Intel container|

Fix Central Link

CICS Transaction Gateway for Multiplatforms and CICS Transaction Gateway Desktop Edition| 9.3.0.0| Linux on POWER Big Endian|

Fix Central Link

CICS Transaction Gateway for Multiplatforms and CICS Transaction Gateway Desktop Edition| 9.3.0.0| Windows|

Fix Central Link

Workarounds and Mitigations

None