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Security Bulletin: Multiple vulnerabilities in IBM Java SDK and IBM Java Runtime affect IBM Decision Optimization Center (CVE-2018-1890, CVE-2018-12547)

Security Bulletin


Summary

There are multiple vulnerabilities in IBM® SDK Java™ and IBM® Runtime Environment Java™ Versions 7 & 8 used by IBM Decision Optimization Center. IBM Decision Optimization Center have 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 additional Java vulnerabilities are applicable to your code. For a complete list of vulnerabilities, refer to the "IBM Java SDK Security Bulletin", located in the References section for more information.

CVEID: CVE-2018-1890
DESCRIPTION: IBM SDK, Java Technology Edition Version 8 on the AIX platform uses absolute RPATHs which may facilitate code injection and privilege elevation by local users.
CVSS Base Score: 5.6
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/152081 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:L/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:L)

CVEID: CVE-2018-12547
DESCRIPTION: Eclipse OpenJ9 is vulnerable to a buffer overflow, caused by improper bounds checking by the jio_snprintf() and jio_vsnprintf() functions. By sending an overly long argument, a remote attacker could overflow a buffer and execute arbitrary code on the system or cause the application to crash.
CVSS Base Score: 9.8
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/157512 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)


Affected Products and Versions

IBM Decision Optimization Center 3.9 and earlier releases

IBM SDK, Java Technology Edition, Version 7 Service Refresh 10 Fix Pack 35 and earlier releases
IBM SDK, Java Technology Edition, Version 8 Service Refresh 5 Fix Pack 27 and earlier releases

Note 1: CVE-2018-1890 only applies to IBM SDK, Java Technology Edition on AIX.

Remediation/Fixes

The recommended solution is to download and install the IBM Java SDK as soon as practicable.
Please note that IBM SDK Java 6 is no longer supported anymore. IBM recommends upgrading to DOC 3.9 or subsequent releases.

Before installing a newer version of IBM Java SDK, please ensure that you:

  • Close any open programs that you have running;
  • Rename the initial directory of the IBM Java SDK (for example: with a .old at the end),
  • Download and install IBM Java SDK.


IBM Decision Optimization Center
From v3.8.0.2: IBM SDK, Java Technology Edition, Version 7 Service Refresh 10 Fix Pack 40 and subsequent releases
From v3.9.0.1: IBM SDK, Java Technology Edition, Version 8 Service Refresh 5 Fix Pack 30 and subsequent releases
 

You must verify that applying this fix does not cause any compatibility issues.
Here are the detailed instructions for updating IBM Java SDK.
 


Workarounds and Mitigations

None

Get Notified about Future Security Bulletins

Reference

Complete CVSS v3 Guide
On-line Calculator v3

Related Information

IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog

Change History

14 March 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.

Document information

More support for: IBM Decision Optimization Center

Software version: 3.9.0.2,3.9.0.1, 3.9.0, 3.8.0.2, 3.8.0.1, 3.8, 3.7.0.2, 3.7.0.1, 3.7

Operating system(s): AIX, Linux, Windows

Software edition: All Editions

Reference #: 0875686

Modified date: 15 March 2019