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

Summary

There are multiple vulnerabilities in IBM® Runtime Environment Java™ Versions 7.0, 7.1 and 8.0 used by CICS Transaction Gateway. These issues were disclosed as part of the IBM Java SDK updates in April 2018.

Vulnerability Details

If you run your own Java code using the IBM Java Runtime delivered with this product, you should evaluate your code to determine whether the complete list of vulnerabilities are applicable to your code. For a complete list of vulnerabilities please refer to the link for “IBM Java SDK Security Bulletin" located in the “References” section for more information.

CVEID: CVE-2018-2783 DESCRIPTION: An unspecified vulnerability related to the Java SE Security component could allow an unauthenticated attacker to cause high confidentiality impact, high integrity impact, and no availability impact.
CVSS Base Score: 7.4
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/141939 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N)

CVEID: CVE-2018-2790 DESCRIPTION: An unspecified vulnerability related to the Java SE Security component could allow an unauthenticated attacker to cause no confidentiality impact, low integrity impact, and no availability impact.
CVSS Base Score: 3.1
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/141946 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N)

Affected Products and Versions

CICS Transaction Gateway v8.0.0.0 – 8.0.0.6
CICS Transaction Gateway v8.1.0.0 – 8.1.0.5
CICS Transaction Gateway v9.0.0.0 – 9.0.0.4
CICS Transaction Gateway v9.1.0.0 – 9.1.0.3
CICS Transaction Gateway v9.2.0.0 – 9.2.0.2

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.

Product

|

VRMF

|

JRE Level

|

Remediation / First Fix

—|—|—|—
CICS Transaction Gateway for Multiplatforms | 9.2.0.0
9.2.0.1
9.2.0.2 | Updated JRE’s have been made available on Fix Central as Fix packs.
AIX: 8.0.5-CICSTG-AIXpSeries32-JRE-SR15
HP-UX: 8.0.5-CICSTG-HPUXIA32-JRE-SR15
xLinux: 8.0.5-CICSTG-Linuxx8632-JRE-SR15
pLinux: 8.0.5-CICSTG-LinuxpSeries32-JRE-SR15
zLinux: 8.0.5-CICSTG-LinuxzSeries31-JRE-SR15
Windows:8.0.5-CICSTG-Windowsx8632-JRE-SR15 |
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 Multiplatforms | 9.1.0.0
9.1.0.1
9.1.0.2
9.1.0.3 |

Updated JRE’s have been made available on Fix Central as Fix packs.
Solaris: 7.0.10-CICSTG-SolarisSPARC32-JRE-SR25
HP-UX: 7.0.10-CICSTG-HPUXIA32-JRE-SR25
AIX: 7.1.4-CICSTG-AIXpSeries32-JRE-SR25
xLinux: 7.1.4-CICSTG-Linuxx8632-JRE-SR25
pLinux: 7.1.4-CICSTG-LinuxpSeries32-JRE-SR25
zLinux: 7.1.4-CICSTG-LinuxzSeries31-JRE-SR25
Windows: 7.1.4-CICSTG-Windowsx8632-JRE-SR25

|
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
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-SR25
HP-UX: 7.0.10-CICSTG-HPUXIA32-JRE-SR25
AIX: 7.0.10-CICSTG-AIXpSeries32-JRE-SR25
xLinux: 7.0.10-CICSTG-Linuxx8632-JRE-SR25
pLinux: 7.0.10-CICSTG-LinuxpSeries32-JRE-SR25
zLinux: 7.0.10-CICSTG-LinuxzSeries31-JRE-SR25
Windows: 7.0.10-CICSTG-Windowsx8632-JRE-SR25

| 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

**Important note:**IBM strongly suggests that all System z customers subscribe to the System z Security Portal to receive the latest critical System z security and integrity service. If you are not subscribed, see the instructions on the System z Security web site. Security and integrity APARs and associated fixes will be posted to this portal. IBM suggests reviewing the CVSS scores and applying all security or integrity fixes as soon as possible to minimize any potential risk.