Security Bulletin: A vulnerability in IBM Java Runtime affects IBM ILOG CPLEX Optimization Studio and IBM CPLEX Enterprise Server

Security Bulletin

Summary

There is a vulnerability in IBM® Runtime Environment Java™ Version 8 used by IBM CPLEX Optimization Studio and IBM CPLEX Enterprise Server. IBM CPLEX Optimization Studio and IBM CPLEX Enterprise Server have addressed the applicable CVE.

Vulnerability Details

CVEID: CVE-2019-2958
DESCRIPTION: An unspecified vulnerability in Java SE related to the Libraries 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/169264 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N)

Affected Products and Versions

Affected Product(s)	Version(s)
IBM ILOG CPLEX Optimization Studio (COS)	12.10
IBM ILOG CPLEX Optimization Studio (COS)	12.9
IBM ILOG CPLEX Optimization Studio (COS)	12.8
IBM ILOG CPLEX Optimization Studio (COS)	12.7.1
IBM ILOG CPLEX Optimization Studio (COS)	12.7

Remediation/Fixes

The recommended solution is to download and install the appropriate version of IBM JRE as soon as practicable.
Please note that Java 6 is no longer supported anymore. IBM recommends upgrading to COS 12.10 and subsequent releases.

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

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

IBM ILOG CPLEX Optimization Studio and IBM ILOG CPLEX Enterprise Server:

IBM JRE Version 8 Service Refresh 6 and subsequent releases

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

For HP-UX and Solaris, IBM recommends upgrading to a fixed, supported version/release/platform of the product.

Workarounds and Mitigations

None

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References

Complete CVSS v3 Guide
On-line Calculator v3

Off

IBM Java SDK Security Bulletin

Change History

29 Jan 2020: 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

Review the IBM security bulletin disclaimer and definitions regarding your responsibilities for assessing potential impact of security vulnerabilities to your environment.

Document Location

Worldwide

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Tips

Security Bulletin: A vulnerability in IBM Java Runtime affects IBM ILOG CPLEX Optimization Studio and IBM CPLEX Enterprise Server