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AUSCERT External Security Bulletin Redistribution
ESB-2019.2266
Security Bulletin: Multiple vulnerabilities in IBM Java
Runtime affect z/TPF
24 June 2019
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AusCERT Security Bulletin Summary
---------------------------------
Product: IBM z/TPF
Publisher: IBM
Operating System: z/TPF
Impact/Access: Execute Arbitrary Code/Commands -- Remote/Unauthenticated
Resolution: Patch/Upgrade
CVE Names: CVE-2019-10245 CVE-2019-2698 CVE-2019-2697
CVE-2019-2684 CVE-2019-2602
Reference: ASB-2019.0118
ESB-2019.2260
ESB-2019.2254
ESB-2019.2201
ESB-2019.2178
ESB-2019.2170
Original Bulletin:
https://www-01.ibm.com/support/docview.wss?uid=ibm10887801
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Security Bulletin: Multiple vulnerabilities in IBM Java Runtime affect z/TPF
Document information
More support for: TPF
Component: z/TPF
Software version: 1.1
Operating system(s): z/TPF
Reference #: 0887801
Modified date: 21 June 2019
Security Bulletin
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-2019-2698
DESCRIPTION: An unspecified vulnerability related to the Java SE 2D component
could allow an unauthenticated attacker to take control of the system.
CVSS Base Score: 8.1
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/
159790 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)
CVEID: CVE-2019-2697
DESCRIPTION: An unspecified vulnerability related to the Java SE 2D component
could allow an unauthenticated attacker to take control of the system.
CVSS Base Score: 8.1
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/
159789 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)
CVEID: CVE-2019-2602
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 high availability impact using unknown attack vectors.
CVSS Base Score: 7.5
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/
159698 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:H)
CVEID: CVE-2019-2684
DESCRIPTION: An unspecified vulnerability related to the Java SE RMI 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/
159776 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-2019-10245
DESCRIPTION: Eclipse OpenJ9 is vulnerable to a denial of service, caused by the
execution of a method past the end of bytecode array by the Java bytecode
verifier. A remote attacker could exploit this vulnerability to cause the
application to crash.
CVSS Base Score: 7.5
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/
160010 for more information
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
Affected Products and Versions
z/TPF Enterprise Edition Version 1.1
Remediation/Fixes
+----------+------------+-------------+---------------------------------------+
|Product |VRMF |APAR |Remediation/First Fix |
+----------+------------+-------------+---------------------------------------+
| | | |Download and install the |
| | | |PJ45753_ibm-java-jre-8.0-5.35 package |
| | | |from the IBM 64-bit Runtime Environment|
| | | |for z/TPF, Java Technology Edition, |
|z/TPF |1.1 |PJ45753 |Version 8 download page. |
+----------+------------+-------------+---------------------------------------+
Workarounds and Mitigations
None
Important Note
IBM strongly suggests that all System z customers be subscribed 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.
Reference
Complete CVSS v3 Guide
On-line Calculator v3
Related Information
IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog
IBM Java SDK Security Bulletin
Acknowledgement
None
Change History
21 June 2019: 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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