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             AUSCERT External Security Bulletin Redistribution

                               ESB-2018.1735
         Multiple vulnerabilities in IBM Java Runtime affect CICS
                            Transaction Gateway
                               12 June 2018

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

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

Product:           IBM CICS Transaction Gateway
Publisher:         IBM
Operating System:  AIX
                   HP-UX
                   Linux variants
                   Solaris
                   Windows
Impact/Access:     Increased Privileges            -- Remote/Unauthenticated      
                   Execute Arbitrary Code/Commands -- Remote with User Interaction
                   Modify Arbitrary Files          -- Remote/Unauthenticated      
                   Denial of Service               -- Remote/Unauthenticated      
                   Access Confidential Data        -- Remote/Unauthenticated      
Resolution:        Patch/Upgrade
CVE Names:         CVE-2018-2678 CVE-2018-2657 CVE-2018-2641
                   CVE-2018-2639 CVE-2018-2638 CVE-2018-2637
                   CVE-2018-2633 CVE-2018-2603 CVE-2018-2602
                   CVE-2018-2582 CVE-2018-2579 CVE-2018-1417

Reference:         ASB-2018.0024
                   ESB-2018.1712
                   ESB-2018.0207
                   ESB-2018.0205
                   ESB-2018.0180

Original Bulletin: 
   https://www-01.ibm.com/support/docview.wss?uid=swg22016867

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

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

More support for: CICS Transaction Gateway
Security

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 #: 2016867

Modified date: 08 June 2018

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 January 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-2018-2579
DESCRIPTION: An unspecified vulnerability related to the Java SE Libraries
component could allow an unauthenticated attacker to obtain sensitive
information resulting in a low confidentiality impact using unknown attack
vectors.
CVSS Base Score: 3.7
CVSS Temporal Score: See
https://exchange.xforce.ibmcloud.com/vulnerabilities/137833 for the current
score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N)

CVEID: CVE-2018-2678
DESCRIPTION:  An unspecified vulnerability related to the Java SE JNDI
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: 4.3
CVSS Temporal Score: See
https://exchange.xforce.ibmcloud.com/vulnerabilities/137933 for the current
score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L)

CVEID: CVE-2018-2602
DESCRIPTION: An unspecified vulnerability related to the Java SE I18n component
could allow an unauthenticated attacker to cause low confidentiality impact,
low integrity impact, and low availability impact.
CVSS Base Score: 4.5
CVSS Temporal Score: See
https://exchange.xforce.ibmcloud.com/vulnerabilities/137854 for the current
score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:L/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L)

CVEID: CVE-2018-2603
DESCRIPTION: An unspecified vulnerability related to the Java SE 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: 5.3
CVSS Temporal Score: See
https://exchange.xforce.ibmcloud.com/vulnerabilities/137855 for the current
score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L)

CVEID: CVE-2018-2657
DESCRIPTION: An unspecified vulnerability related to the Java SE, Serialization
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: 5.3
CVSS Temporal Score: See
https://exchange.xforce.ibmcloud.com/vulnerabilities/137910 for the current
score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L)

CVEID: CVE-2018-2641
DESCRIPTION: An unspecified vulnerability related to the Java SE AWT component
could allow an unauthenticated attacker to cause no confidentiality impact,
high integrity impact, and no availability impact.
CVSS Base Score: 6.1
CVSS Temporal Score: See
https://exchange.xforce.ibmcloud.com/vulnerabilities/137893 for the current
score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:C/C:N/I:H/A:N)

CVEID: CVE-2018-2582
DESCRIPTION: An unspecified vulnerability related to the Java SE VM component
could allow an unauthenticated attacker to cause no confidentiality impact,
high integrity impact, and no availability impact.
CVSS Base Score: 6.5
CVSS Temporal Score: See
https://exchange.xforce.ibmcloud.com/vulnerabilities/137836 for the current
score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N)

CVEID: CVE-2018-2637
DESCRIPTION: An unspecified vulnerability related to the Java SE JMX 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/137889 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-2018-2633
DESCRIPTION: An unspecified vulnerability related to the Java SE JNDI component
could allow an unauthenticated attacker to take control of the system.
CVSS Base Score: 8.3
CVSS Temporal Score: See
https://exchange.xforce.ibmcloud.com/vulnerabilities/137885 for the current
score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H)

CVEID: CVE-2018-2638
DESCRIPTION: An unspecified vulnerability related to the Java SE Deployment
component could allow an unauthenticated attacker to take control of the
system.
CVSS Base Score: 8.3
CVSS Temporal Score: See
https://exchange.xforce.ibmcloud.com/vulnerabilities/137890 for the current
score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H)

CVEID: CVE-2018-2639
DESCRIPTION: An unspecified vulnerability related to the Java SE Deployment
component could allow an unauthenticated attacker to take control of the
system.
CVSS Base Score: 8.3
CVSS Temporal Score: See
https://exchange.xforce.ibmcloud.com/vulnerabilities/137891 for the current
score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H)

CVEID: CVE-2018-1417
DESCRIPTION: Under certain circumstances, a flaw in the J9 JVM allows untrusted
code running under a security manager to elevate its privileges.
CVSS Base Score: 8.1
CVSS Temporal Score: See
https://exchange.xforce.ibmcloud.com/vulnerabilities/138823 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:H)

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| ^1                      |
|              |              |Fix packs.                                              |                         |
|CICS          |9.2.0.0       |AIX: 8.0.5-CICSTG-AIXpSeries32-JRE-SR10                 |                         |
|Transaction   |9.2.0.1       |HP-UX: 8.0.5-CICSTG-HPUXIA32-JRE-SR10                   |                         |
|Gateway for   |9.2.0.2       |xLinux: 8.0.5-CICSTG-Linuxx8632-JRE-SR10                |                         |
|Multiplatforms|              |pLinux: 8.0.5-CICSTG-LinuxpSeries32-JRE-SR10            |                         |
|              |              |zLinux: 8.0.5-CICSTG-LinuxzSeries31-JRE-SR10            |                         |
|              |              |Windows:8.0.5-CICSTG-Windowsx8632-JRE-SR10              |                         |
+--------------+--------------+--------------------------------------------------------+-------------------------+
|              |              |Updated JRE's have been made available on Fix Central as| ^1                      |
|              |              |Fix packs.                                              |                         |
|CICS          |9.1.0.0       |Solaris: 7.0.10-CICSTG-SolarisSPARC32-JRE-SR20          |                         |
|Transaction   |9.1.0.1       |AIX: 7.1.4-CICSTG-AIXpSeries32-JRE-SR20                 |                         |
|Gateway for   |9.1.0.2       |xLinux: 7.1.4-CICSTG-Linuxx8632-JRE-SR20                |                         |
|Multiplatforms|9.1.0.3       |pLinux: 7.1.4-CICSTG-LinuxpSeries32-JRE-SR20            |                         |
|              |              |zLinux: 7.1.4-CICSTG-LinuxzSeries31-JRE-SR20            |                         |
|              |              |Windows: 7.1.4-CICSTG-Windowsx8632-JRE-SR20             |                         |
+--------------+--------------+--------------------------------------------------------+-------------------------+
|              |9.0.0.0       |                                                        | ^1                      |
|              |9.0.0.1       |                                                        |                         |
|              |9.0.0.2       |                                                        |                         |
|              |9.0.0.3       |                                                        |                         |
|              |9.0.0.4       |                                                        |                         |
|              |8.1.0.0       |Updated JRE's have been made available on Fix Central as|                         |
|              |8.1.0.1       |Fix packs.                                              |                         |
|CICS          |8.1.0.2       |Solaris: 7.0.10-CICSTG-SolarisSPARC32-JRE-SR20          |                         |
|Transaction   |8.1.0.3       |AIX: 7.0.10-CICSTG-AIXpSeries32-JRE-SR20                |                         |
|Gateway for   |8.1.0.4       |xLinux: 7.0.10-CICSTG-Linuxx8632-JRE-SR20               |                         |
|Multiplatforms|8.1.0.5       |pLinux: 7.0.10-CICSTG-LinuxpSeries32-JRE-SR20           |                         |
|              |8.0.0.0       |zLinux: 7.0.10-CICSTG-LinuxzSeries31-JRE-SR20           |                         |
|              |8.0.0.1       |Windows: 7.0.10-CICSTG-Windowsx8632-JRE-SR20            |                         |
|              |8.0.0.2       |                                                        |                         |
|              |8.0.0.3       |                                                        |                         |
|              |8.0.0.4       |                                                        |                         |
|              |8.0.0.5       |                                                        |                         |
|              |8.0.0.6       |                                                        |                         |
+--------------+--------------+--------------------------------------------------------+-------------------------+
^1 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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alerts like this.

References

Complete CVSS v3 Guide
On-line Calculator v3
IBM Java SDK Security Bulletin

Related information

IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog

Acknowledgement

None

Change History

06 June 2018 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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