ESB-2018.2556 - [Win][Linux] IBM TPF Toolkit: Modify arbitrary files - Remote/unauthenticated 2018-08-29

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             AUSCERT External Security Bulletin Redistribution

                               ESB-2018.2556
           Multiple vulnerabilities in IBM Java SDK and IBM Java
                        Runtime affect TPF Toolkit
                              29 August 2018

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

Product:           IBM TPF Toolkit
Publisher:         IBM
Operating System:  Linux variants
                   Windows
Impact/Access:     Modify Arbitrary Files   -- Remote/Unauthenticated
                   Create Arbitrary Files   -- Remote/Unauthenticated
                   Access Confidential Data -- Remote/Unauthenticated
Resolution:        Patch/Upgrade
CVE Names:         CVE-2018-2783  

Reference:         ESB-2018.2507
                   ESB-2018.2465

Original Bulletin: 
   https://www.ibm.com/support/docview.wss?uid=swg22016793

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Security Bulletin: Multiple vulnerabilities in IBM Java SDK and IBM Java
Runtime affect TPF Toolkit

Software version: 4.2.0, 4.2.1, 4.2.2, 4.2.3, 4.2.4, 4.2.5, 4.2.6, 4.2.7,
4.2.8, 4.2.9, 4.2.10, 4.2.11, 4.2.12, 4.6

Operating system(s): Linux, Windows

Reference #: 2016793

Modified date: 28 August 2018

Security Bulletin

Summary

There are multiple vulnerabilities in IBM(R) SDK Java(TM) Technology Edition and
IBM(R) Runtime Environment Java(TM) used by TPF Toolkit. 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, evaluate your code to determine whether the complete list of
vulnerabilities are applicable to your code. For a complete list of
vulnerabilities, refer to the link for "IBM Java SDK Security Bulletin" located
in the "References" section.

CVEID: CVE-2018-2783
DESCRIPTION: An unspecified vulnerability in Oracle Java SE related to the Java
SE, Java SE Embedded, JRockit 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
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)

Affected Products and Versions

TPF Toolkit 4.2 and 4.6

Remediation/Fixes

+------------+---------+----------+-------------------------------------------+
|Product     |VRMF     |APAR      |Remediation/First Fix                      |
+------------+---------+----------+-------------------------------------------+
|TPF Toolkit |4.2      |JR59815   | 1. Install the latest version of IBM      |
|            |         |          |    Installation Manager.                  |
|            |         |          | 2. Apply Interim Fix 4.2.13 by using IBM  |
|            |         |          |    Installation Manager.                  |
|            |         |          | 3. Update the Java installation on your z/|
|            |         |          |    OS or Linux on z Systems (or both)     |
|            |         |          |    systems that the TPF Toolkit connects  |
|            |         |          |    to. Download the latest version of Java|
|            |         |          |    from http://www.ibm.com/developerworks/|
|            |         |          |    java/jdk/                              |
+------------+---------+----------+-------------------------------------------+
|TPF Toolkit |4.6      |None      |Apply the appropriate fix from Fix Central |
|            |         |          |for your platform:                         |
|            |         |          |                                           |
|            |         |          |  o For Windows, apply fix                 |
|            |         |          |    4.6-TPFTK-WIN-SDK-8SR5FP15             |
|            |         |          |  o For Linux, apply fix                   |
|            |         |          |    4.6-TPFTK-LINUX-SDK-8SR5FP15           |
+------------+---------+----------+-------------------------------------------+

Workarounds and Mitigations

None

Acknowledgement

None

Change History

28 Aug 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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