Security Bulletin: Multiple vulnerabilities in IBM Java Runtime affect IBM MQ Internet Pass Thru

Summary

There are multiple vulnerabilities in IBM® Runtime Environment Java™ Version 7.0.10.30 used by IBM MQ Internet Pass Thru. These issues were disclosed as part of the IBM Java SDK updates in July 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-2018-1656 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&gt; 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&gt; 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

IBM SDK, Java Technology Edition, Version 7 Service Refresh 10 Fix Pack 30 (or later) and earlier releases provided by WebSphere MQIPT 2.1 on all platforms.

Remediation/Fixes

A JRE update for MQIPT 2.1.0.4 contains fixes for these vulnerabilities and can be downloaded from the MS81: WebSphere MQ Internet Pass-Thru SupportPac page, via the Download package link.

Users can follow the instructions contained in Instructions for manually updating the JRE within an MQIPT V2.1 Installation.

Please note_: Users of MQIPT v2.1 on the HP-UX platform are advised that patches for these issues have not been released by the manufacturer for this JRE level (7.0) at this time. These updates will be published by IBM when they are available. _

Workarounds and Mitigations

None