ESB-2018.2313 - [Win][Linux][HP-UX][Solaris][AIX] IBM CICS Transaction Gateway: Multiple vulnerabilities 2018-08-13

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===========================================================================
             AUSCERT External Security Bulletin Redistribution

                               ESB-2018.2313
          Security Bulletin: Multiple vulnerabilities in IBM Java
                  Runtime affect CICS Transaction Gateway
                              13 August 2018

===========================================================================

        AusCERT Security Bulletin Summary
        ---------------------------------

Product:           IBM CICS Transaction Gateway
Publisher:         IBM
Operating System:  AIX
                   HP-UX
                   Linux variants
                   Solaris
                   Windows
Impact/Access:     Modify Arbitrary Files   -- Remote/Unauthenticated
                   Access Confidential Data -- Remote/Unauthenticated
Resolution:        Patch/Upgrade
CVE Names:         CVE-2018-2790 CVE-2018-2783 

Reference:         ASB-2018.0100
                   ASB-2018.0085
                   ESB-2018.2306
                   ESB-2018.1252
                   ESB-2018.1251
                   ESB-2018.1226

Original Bulletin: 
   https://www.ibm.com/support/docview.wss?uid=ibm10719923

- --------------------------BEGIN INCLUDED TEXT--------------------

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

Document information

More support for: CICS Transaction Gateway

Software version: 8.0, 8.1, 9.0, 9.1, 9.2

Operating system(s): AIX, HP-UX, Linux, Solaris, Windows

Software edition: All

Reference #: 0719923

Modified date: 10 August 2018

CICS TG, Java, Security

Security Bulletin

Summary

There are multiple vulnerabilities in IBM(R) Runtime Environment Java(TM) 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     |                          APAR                           |                      Remediation / First Fix                      |
+--------------+--------------+---------------------------------------------------------+-------------------------------------------------------------------+
|              |              |Updated JRE's have been made available on Fix Central as |                                                                   |
|              |              |Fix packs.                                               |                                                                   |
|CICS          |9.2.0.0       |AIX: 8.0.5-CICSTG-AIXpSeries32-JRE-SR15                  |https://www-945.ibm.com/support/fixcentral/swg/identifyFixes?      |
|Transaction   |9.2.0.1       |HP-UX: 8.0.5-CICSTG-HPUXIA32-JRE-SR15                    |query.parent=ibm~Other%20software&query.product=                   |
|Gateway for   |9.2.0.2       |xLinux: 8.0.5-CICSTG-Linuxx8632-JRE-SR15                 |ibm~WebSphere~CICS%20Transaction%20Gateway%20for%20Multiplatforms& |
|Multiplatforms|              |pLinux: 8.0.5-CICSTG-LinuxpSeries32-JRE-SR15             |query.release=9.2.0&query.platform=All                             |
|              |              |zLinux: 8.0.5-CICSTG-LinuxzSeries31-JRE-SR15             |                                                                   |
|              |              |Windows:8.0.5-CICSTG-Windowsx8632-JRE-SR15               |                                                                   |
+--------------+--------------+---------------------------------------------------------+-------------------------------------------------------------------+
|              |              |Updated JRE's have been made available on Fix Central as |                                                                   |
|              |              |Fix packs.                                               |                                                                   |
|CICS          |9.1.0.0       |Solaris: 7.0.10-CICSTG-SolarisSPARC32-JRE-SR25           |                                                                   |
|Transaction   |9.1.0.1       |HP-UX:  7.0.10-CICSTG-HPUXIA32-JRE-SR25                  |https://www-945.ibm.com/support/fixcentral/swg/identifyFixes?      |
|Gateway for   |9.1.0.2       |AIX: 7.1.4-CICSTG-AIXpSeries32-JRE-SR25                  |query.parent=ibm~Other%20software&query.product=                   |
|Multiplatforms|9.1.0.3       |xLinux: 7.1.4-CICSTG-Linuxx8632-JRE-SR25                 |ibm~WebSphere~CICS%20Transaction%20Gateway%20for%20Multiplatforms& |
|              |              |pLinux: 7.1.4-CICSTG-LinuxpSeries32-JRE-SR25             |query.release=9.1.0&query.platform=All                             |
|              |              |zLinux: 7.1.4-CICSTG-LinuxzSeries31-JRE-SR25             |                                                                   |
|              |              |Windows: 7.1.4-CICSTG-Windowsx8632-JRE-SR25              |                                                                   |
+--------------+--------------+---------------------------------------------------------+-------------------------------------------------------------------+
|              |9.0.0.0       |                                                         |                                                                   |
|              |9.0.0.1       |                                                         |                                                                   |
|              |9.0.0.2       |                                                         |                                                                   |
|              |9.0.0.3       |                                                         |                                                                   |
|              |9.0.0.4       |Updated JRE's have been made available on Fix Central as |                                                                   |
|              |8.1.0.0       |Fix packs.                                               |                                                                   |
|              |8.1.0.1       |Solaris: 7.0.10-CICSTG-SolarisSPARC32-JRE-SR25           |                                                                   |
|CICS          |8.1.0.2       |HP-UX:  7.0.10-CICSTG-HPUXIA32-JRE-SR25                  |https://www-945.ibm.com/support/fixcentral/swg/identifyFixes?      |
|Transaction   |8.1.0.3       |AIX: 7.0.10-CICSTG-AIXpSeries32-JRE-SR25                 |query.parent=ibm~Other%20software&query.product=                   |
|Gateway for   |8.1.0.4       |xLinux: 7.0.10-CICSTG-Linuxx8632-JRE-SR25                |ibm~WebSphere~CICS%20Transaction%20Gateway%20for%20Multiplatforms& |
|Multiplatforms|8.1.0.5       |pLinux: 7.0.10-CICSTG-LinuxpSeries32-JRE-SR25            |query.release=9.0.0&query.platform=All                             |
|              |8.0.0.0       |zLinux: 7.0.10-CICSTG-LinuxzSeries31-JRE-SR25            |                                                                   |
|              |8.0.0.1       |Windows: 7.0.10-CICSTG-Windowsx8632-JRE-SR25             |                                                                   |
|              |8.0.0.2       |                                                         |                                                                   |
|              |8.0.0.3       |                                                         |                                                                   |
|              |8.0.0.4       |                                                         |                                                                   |
|              |8.0.0.5       |                                                         |                                                                   |
|              |8.0.0.6       |                                                         |                                                                   |
+--------------+--------------+---------------------------------------------------------+-------------------------------------------------------------------+

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.

Acknowledgement

None

Change History

03 August Original version published

*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

According to the Forum of Incident Response and Security Teams (FIRST), the
Common Vulnerability Scoring System (CVSS) is an "industry open standard
designed to convey vulnerability severity and help to determine urgency and
priority of response." IBM PROVIDES THE CVSS SCORES ""AS IS"" WITHOUT WARRANTY
OF ANY KIND, INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
FOR A PARTICULAR PURPOSE. CUSTOMERS ARE RESPONSIBLE FOR ASSESSING THE IMPACT OF
ANY ACTUAL OR POTENTIAL SECURITY VULNERABILITY.

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