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Security Bulletin: A vulnerability in IBM Java affects IBM Decision Optimization Center (CVE-2020-27221)

Security Bulletin


Summary

There is a vulnerability in IBM® Java™ versions 7 & 8 used by IBM Decision Optimization Center. IBM Decision Optimization Center has addressed the applicable CVE.

Vulnerability Details

CVEID:   CVE-2020-27221
DESCRIPTION:   Eclipse OpenJ9 is vulnerable to a stack-based buffer overflow when the virtual machine or JNI natives are converting from UTF-8 characters to platform encoding. By sending an overly long string, 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/195353 for the current score.
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

Affected Product(s)Version(s)
IBM Decision Optimization Center (DOC)3.9.1
IBM Decision Optimization Center (DOC)3.9.0.2
IBM ILOG Optimization Decision Manager Enterprise (ODME)3.9.0.1
IBM Decision Optimization Center (DOC)3.9
IBM Decision Optimization Center (DOC)3.8.0.2
IBM Decision Optimization Center (DOC)3.8.0.1
IBM Decision Optimization Center (DOC)3.8
IBM ILOG Optimization Decision Manager Enterprise (ODME)3.7.0.2
IBM ILOG Optimization Decision Manager Enterprise (ODME)3.7.0.1
IBM ILOG Optimization Decision Manager Enterprise (ODME)3.7

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 3.8.0.2, 3.9.1 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 80 and subsequent releases
From v3.9.0.1: IBM SDK, Java Technology Edition, Version 8 Service Refresh 6 Fix Pack 25 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

References

Off

Change History

16 Mar 2021: Initial Publication

*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 Location

Worldwide

[{"Business Unit":{"code":"BU025","label":"IBM Cloud and Cognitive Software"},"Product":{"code":"SS6MYV","label":"IBM Decision Optimization Center"},"Component":"","Platform":[{"code":"PF002","label":"AIX"},{"code":"PF033","label":"Windows"},{"code":"PF016","label":"Linux"},{"code":"PF051","label":"Linux on IBM Z Systems"}],"Version":"3.9.1, 3.9.0.2, 3.9.0.1, 3.9, 3.8.0.2","Edition":""}]

Document Information

Modified date:
16 March 2021

UID

ibm16430671