ESB-2018.2744 - IBM z/TPF: Multiple vulnerabilities 2018-09-14

Printable version
PGP/GPG verifiable version

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256

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

                               ESB-2018.2744
          Security Bulletin: Multiple vulnerabilities in IBM Java
                           Runtime affect z/TPF
                             14 September 2018

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

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

Product:           IBM z/TPF
Publisher:         IBM
Operating System:  z/TPF
Impact/Access:     Modify Arbitrary Files   -- Remote/Unauthenticated      
                   Denial of Service        -- Remote/Unauthenticated      
                   Access Confidential Data -- Remote/Unauthenticated      
                   Read-only Data Access    -- Remote with User Interaction
Resolution:        Patch/Upgrade
CVE Names:         CVE-2018-2973 CVE-2018-2952 CVE-2018-2940
                   CVE-2018-1517  

Reference:         ASB-2018.0197
                   ESB-2018.2634
                   ESB-2018.2574
                   ESB-2018.2470.2
                   ESB-2018.2309

Original Bulletin: 
   http://www.ibm.com/support/docview.wss?uid=ibm10729975

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

Security Bulletin: Multiple vulnerabilities in IBM Java Runtime affect z/TPF

Document information

More support for: TPF

Software version: 1.1

Operating system(s): z/TPF

Reference #: 0729975

Modified date: 11 September 2018

Summary

There are multiple vulnerabilities in IBM(R) Runtime Environment Java(TM) Version 8
used by the z/TPF system. z/TPF has addressed the applicable CVEs.

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-2018-2973
DESCRIPTION:   An unspecified vulnerability related to the Java SE JSSE
component could allow an unauthenticated attacker to cause no confidentiality
impact, high integrity impact, and no availability impact.
CVSS Base Score: 5.9
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/
146835 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N)

CVEID:   CVE-2018-2940
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: 4.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/
146803 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N)

CVEID:   CVE-2018-2952
DESCRIPTION:   An unspecified vulnerability related to the Java SE Concurrency
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/
146815 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L)

CVEID:   CVE-2018-1517
DESCRIPTION:   A flaw in the java.math component in IBM SDK, Java Technology
Edition may allow an attacker to inflict a denial-of-service attack with
specially crafted String data.
CVSS Base Score: 5.9
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/
141681 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H)

Affected Products and Versions

z/TPF Enterprise Edition Version 1.1.14 - 1.1.15

Remediation/Fixes

+---------+------------+-------------+---------------------------------------+
|Product  |VRMF        |APAR         |Remediation/First Fix                  |
+---------+------------+-------------+---------------------------------------+
|         |            |             |Download and install the               |
|         |            |             |PJ45124_ibm-java-jre-8.0-5.20 package  |
|         |            |             |from the IBM 64-bit Runtime Environment|
|         |1.1.14 -    |             |for z/TPF, Java Technology Edition,    |
|z/TPF    |1.1.15      |PJ45124      |Version 8 download page.               |
+---------+------------+-------------+---------------------------------------+

Workarounds and Mitigations

None

Change History

11 Sep 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.

- --------------------------END INCLUDED TEXT--------------------

You have received this e-mail bulletin as a result of your organisation's
registration with AusCERT. The mailing list you are subscribed to is
maintained within your organisation, so if you do not wish to continue
receiving these bulletins you should contact your local IT manager. If
you do not know who that is, please send an email to auscert@auscert.org.au
and we will forward your request to the appropriate person.

NOTE: Third Party Rights
This security bulletin is provided as a service to AusCERT's members.  As
AusCERT did not write the document quoted above, AusCERT has had no control
over its content. The decision to follow or act on information or advice
contained in this security bulletin is the responsibility of each user or
organisation, and should be considered in accordance with your organisation's
site policies and procedures. AusCERT takes no responsibility for consequences
which may arise from following or acting on information or advice contained in
this security bulletin.

NOTE: This is only the original release of the security bulletin.  It may
not be updated when updates to the original are made.  If downloading at
a later date, it is recommended that the bulletin is retrieved directly
from the author's website to ensure that the information is still current.

Contact information for the authors of the original document is included
in the Security Bulletin above.  If you have any questions or need further
information, please contact them directly.

Previous advisories and external security bulletins can be retrieved from:

        https://www.auscert.org.au/bulletins/

===========================================================================
Australian Computer Emergency Response Team
The University of Queensland
Brisbane
Qld 4072

Internet Email: auscert@auscert.org.au
Facsimile:      (07) 3365 7031
Telephone:      (07) 3365 4417 (International: +61 7 3365 4417)
                AusCERT personnel answer during Queensland business hours
                which are GMT+10:00 (AEST).
                On call after hours for member emergencies only.
===========================================================================
-----BEGIN PGP SIGNATURE-----
Comment: http://www.auscert.org.au/render.html?it=1967
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=IL/C
-----END PGP SIGNATURE-----

« Back to bulletins