Security Bulletin: Multiple vulnerabilities in IBM Java Runtime affect IBM ILOG CPLEX Optimization Studio and IBM ILOG CPLEX Enterprise Server (CVE-2016-3550, CVE-2016-3587, CVE-2016-3598, CVE-2016-3606, CVE-2016-3610)

Summary

There are multiple vulnerabilities in IBM® Runtime Environment Java™ Version 6 and Version 7 that are used by IBM ILOG CPLEX Optimization Studio and IBM ILOG CPLEX Enterprise Server. These issues were disclosed as part of the IBM Java SDK updates in July 2016.

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-2016-3610 DESCRIPTION: An unspecified vulnerability related to the Libraries component has high confidentiality impact, high integrity impact, and high availability impact.
CVSS Base Score: 9.6
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/115270 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H)

CVEID: CVE-2016-3598 DESCRIPTION: An unspecified vulnerability related to the Libraries component has high confidentiality impact, high integrity impact, and high availability impact.
CVSS Base Score: 9.6
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/115269 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H)

CVEID: CVE-2016-3606 DESCRIPTION: An unspecified vulnerability related to the VM component has high confidentiality impact, high integrity impact, and high availability impact.
CVSS Base Score: 9.6
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/115268 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H)

CVEID: CVE-2016-3587 DESCRIPTION: An unspecified vulnerability related to the VM component has high confidentiality impact, high integrity impact, and high availability impact.
CVSS Base Score: 9.6
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/115267 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H)

CVEID: CVE-2016-3550 DESCRIPTION: An unspecified vulnerability related to the VM component could allow a remote attacker to obtain sensitive information resulting in a low confidentiality impact using unknown attack vectors.
CVSS Base Score: 4.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/115272 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N)

Affected Products and Versions

IBM CPLEX Optimization Studio (COS) v12.6.3 and earlier
IBM CPLEX Enterprise Server (CES) v12.6.3 and earlier

NOTE: CVE-2016-3610, CVE-2016-3606, CVE-2016-3587 and CVE-2016-3550 affect IBM SDK, Java Technology Edition on Solaris, HP-UX and Mac OS only.

Remediation/Fixes

From v12.3 to v12.5.1:
IBM SDK, Java Technology Edition, Version 6 Service Refresh 16 Fix Pack 30 and subsequent releases

From v12.6 to v12.6.3:
IBM SDK, Java Technology Edition, Version 7 Service Refresh 9 Fix Pack 50 and subsequent releases

The recommended solution is to download and install the appropriate version of IBM JRE as soon as practicable.

• 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.

Here are the detailed instructions for updating IBM JRE.

You must verify that applying this fix does not cause any compatibility issues.

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

Workarounds and Mitigations

**Important note:**IBM strongly suggests that all System z customers subscribe to the System z Security Portal to receive the latest critical System z security and integrity service. If you are not subscribed, see the instructions on the System z Security web site. Security and integrity APARs and associated fixes will be posted to this portal. IBM suggests reviewing the CVSS scores and applying all security or integrity fixes as soon as possible to minimize any potential risk.