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AUSCERT External Security Bulletin Redistribution
ESB-2018.3365
Security Bulletin: Multiple vulnerabilities in IBM Java SDK
and IBM Java Runtime affect TPF Toolkit
31 October 2018
===========================================================================
AusCERT Security Bulletin Summary
---------------------------------
Product: IBM TPF Toolkit
Publisher: IBM
Operating System: Linux variants
Windows
Impact/Access: Execute Arbitrary Code/Commands -- Existing Account
Increased Privileges -- Existing Account
Create Arbitrary Files -- Remote with User Interaction
Resolution: Patch/Upgrade
CVE Names: CVE-2018-12539 CVE-2018-1656
Reference: ESB-2018.3305
ESB-2018.3295
ESB-2018.3245
ESB-2018.3197
ESB-2018.3196
ESB-2018.3193
Original Bulletin:
https://www.ibm.com/support/docview.wss?uid=ibm10735559
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Security Bulletin: Multiple vulnerabilities in IBM Java SDK and IBM Java
Runtime affect TPF Toolkit
Document information
More support for: TPF Toolkit
Component: IDE
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, 4.2.13, 4.6
Operating system(s): Linux, Windows
Reference #: 0735559
Modified date: 30 October 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. TPF Toolkit has addressed
the applicable CVEs.
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-2018-1656
DESCRIPTION: The IBM Java Runtime Environment''s Diagnostic Tooling Framework
for Java (DTFJ) does not protect against path traversal attacks when extracting
compressed dump files.
CVSS Base Score: 7.4
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/
144882 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:H/A:N)
CVEID: CVE-2018-12539
DESCRIPTION: Eclipse OpenJ9 could allow a local attacker to gain elevated
privileges on the system, caused by the failure to restrict the use of Java
Attach API to connect to an Eclipse OpenJ9 or IBM JVM on the same machine and
use Attach API operations to only the process owner. An attacker could exploit
this vulnerability to execute untrusted native code and gain elevated
privileges on the system.
CVSS Base Score: 8.4
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/
148389 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
Affected Products and Versions
TPF Toolkit 4.2 and 4.6
Remediation/Fixes
+------------+---------+----------+-------------------------------------------+
|Product |VRMF |APAR |Remediation/First Fix |
+------------+---------+----------+-------------------------------------------+
|TPF Toolkit |4.2 |JR60161 | 1. Install the latest version of IBM |
| | | | Installation Manager. |
| | | | 2. Apply Interim Fix 4.2.14 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-8SR5FP20. |
| | | | o For Linux, apply fix |
| | | | 4.6-TPFTK-LINUX-SDK-8SR5FP20. |
+------------+---------+----------+-------------------------------------------+
Workarounds and Mitigations
None
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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
30 Oct 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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