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             AUSCERT External Security Bulletin Redistribution

  Security Bulletin: A vulnerability in IBM Java Runtime affects IBM ILOG
         CPLEX Optimization Studio and IBM CPLEX Enterprise Server
                              30 January 2020


        AusCERT Security Bulletin Summary

Product:           IBM ILOG CPLEX Optimization Studio
Publisher:         IBM
Operating System:  AIX
                   Linux variants
                   Apple iOS
Impact/Access:     Modify Arbitrary Files -- Remote/Unauthenticated
Resolution:        Patch/Upgrade
CVE Names:         CVE-2019-2958  

Reference:         ASB-2019.0294

Original Bulletin: 

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

Security Bulletin


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      |


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:

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


Get Notified about Future Security Bulletins


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