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