ESB-2018.1639 - [z/TPF] IBM z/TPF: Multiple vulnerabilities 2018-06-01

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

                               ESB-2018.1639
                      z/TPF receives multiple patches
                                1 June 2018

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

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

Product:           IBM z/TPF
Publisher:         IBM
Operating System:  z/TPF
Impact/Access:     Execute Arbitrary Code/Commands -- Remote with User Interaction
                   Modify Arbitrary Files          -- Remote with User Interaction
                   Denial of Service               -- Remote/Unauthenticated      
Resolution:        Patch/Upgrade
CVE Names:         CVE-2018-2815 CVE-2018-2814 CVE-2018-2800
                   CVE-2018-2799 CVE-2018-2798 CVE-2018-2797
                   CVE-2018-2796 CVE-2018-2795 CVE-2018-2794
                   CVE-2018-2790 CVE-2018-2783 CVE-2018-0739

Original Bulletin: 
   http://www.ibm.com/support/docview.wss?uid=swg22016693
   http://www.ibm.com/support/docview.wss?uid=swg22015761

Comment: This bulletin contains two (2) IBM security advisories.

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

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

Security Bulletin

Document information
Software version: 1.1
Operating system(s): z/TPF
Reference #: 2016693
Modified date: 30 May 2018

Summary

There are multiple vulnerabilities in IBM? Runtime Environment Java? Version 8
used by z/TPF. 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-2018-2800
DESCRIPTION: An unspecified vulnerability in Oracle Java SE related to the Java
SE, JRockit RMI component could allow an unauthenticated attacker to cause low
confidentiality impact, low integrity impact, and no availability impact.
CVSS Base Score: 4.2
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/
141956 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N)

CVEID: CVE-2018-2795
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 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/
141951 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-2018-2796
DESCRIPTION: An unspecified vulnerability in Oracle Java SE related to the Java
SE, Java SE Embedded, JRockit 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: 5.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/
141952 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-2018-2797
DESCRIPTION: An unspecified vulnerability in Oracle Java SE related to the Java
SE, Java SE Embedded, JRockit JMX 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/
141953 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-2018-2798
DESCRIPTION: An unspecified vulnerability in Oracle Java SE related to the Java
SE, Java SE Embedded, JRockit AWT 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/
141954 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-2018-2799
DESCRIPTION: An unspecified vulnerability in Oracle Java SE related to the Java
SE, Java SE Embedded, JRockit JAXP 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/
141955 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-2018-2815
DESCRIPTION: An unspecified vulnerability in Oracle Java SE related to the Java
SE, Java SE Embedded, JRockit 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/
141971 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-2018-2783
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 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-2018-2794
DESCRIPTION: An unspecified vulnerability in Oracle Java SE related to the Java
SE, JRockit Security component could allow an unauthenticated attacker to take
control of the system.
CVSS Base Score: 7.7
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/
141950 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:L/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H)

CVEID: CVE-2018-2814
DESCRIPTION: An unspecified vulnerability in Oracle Java SE related to the Java
SE, Java SE Embedded Hotspot 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/
141970 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-2018-2790
DESCRIPTION: An unspecified vulnerability in Oracle Java SE related to the Java
SE, Java SE Embedded 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

z/TPF Enterprise Edition Version 1.1.14 - 1.1.15

Remediation/Fixes

+-----------------------------------------------------------------------------+
|Product   |VRMF        |APAR         |Remediation/First Fix                  |
|----------+------------+-------------+---------------------------------------|
|          |            |             |Download and install the               |
|          |            |             |PJ45246_ibm-java-jre-8.0-5.15.tar.gz   |
|          |            |             |package from the IBM 64-bit Runtime    |
|          |1.1.14 -    |             |Environment for z/TPF, Java Technology |
|z/TPF     |1.1.15      |N/A          |Edition, Version 8 download page.      |
+-----------------------------------------------------------------------------+


Workarounds and Mitigations

None

Acknowledgement

None

Change History

30 May 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.

- -------------------------------------------------------------------------------

Security Bulletin: z/TPF is affected by the OpenSSL denial of service
vulnerability

Security Bulletin

Document information
Software version: 1.1
Operating system(s): z/TPF
Reference #: 2015761
Modified date: 30 May 2018

Summary

z/TPF has addressed the OpenSSL denial of service vulnerability.

Vulnerability Details

CVEID: CVE-2018-0739
DESCRIPTION: OpenSSL is vulnerable to a denial of service. By sending specially
crafted ASN.1 data with a recursive definition, a remote attacker could exploit
this vulnerability to consume excessive stack memory.
CVSS Base Score: 5.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/
140847 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)

Affected Products and Versions

z/TPF Enterprise Edition Version 1.1.13 - 1.1.15

Remediation/Fixes

+----------------------------------------------------------------------------+
|Product  |VRMF      |APAR          |Remediation/First Fix                   |
|---------+----------+--------------+----------------------------------------|
|         |          |              |Apply the APAR, which is available for  |
|         |          |              |download from the TPF Family Product:   |
|z/TPF    |1.1.15    |APAR PJ45322  |Maintenance web page.                   |
+----------------------------------------------------------------------------+


Workarounds and Mitigations

None.

Acknowledgement

None

Change History

30 May 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--------------------

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