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AUSCERT External Security Bulletin Redistribution
ESB-2019.3237
Multiple vulnerabilities in IBM Java Runtime affect IBM ILOG CPLEX Optimi
zation Studio and IBM CPLEX Enterprise Server
26 August 2019
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AusCERT Security Bulletin Summary
---------------------------------
Product: IBM ILOG CPLEX Optimization Studio
IBM ILOG CPLEX Enterprise Server
Publisher: IBM
Operating System: AIX
HP-UX
Linux variants
Solaris
Windows
Impact/Access: Increased Privileges -- Remote/Unauthenticated
Denial of Service -- Remote/Unauthenticated
Resolution: Patch/Upgrade
CVE Names: CVE-2019-11771 CVE-2019-4473 CVE-2019-2816
Reference: ASB-2019.0212
ESB-2019.2705
Original Bulletin:
https://www.ibm.com/support/docview.wss?uid=ibm10961312
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Security Bulletin: Multiple vulnerabilities in IBM Java Runtime affect IBM ILOG
CPLEX Optimization Studio and IBM CPLEX Enterprise Server
Document information
Software version: 12.9, 12.8, 12.7.1, 12.7
Operating system(s): AIX, HP-UX, Linux, Solaris, Windows, iOS
Software edition: All Editions
Reference #: 0961312
Modified date: 23 August 2019
Summary
There are multiple vulnerabilities in IBM? Runtime Environment Java? Versions 7
& 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 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-2019-2816
DESCRIPTION: An unspecified vulnerability in Oracle Java SE related to the Java
SE, Java SE Embedded Networking component could allow an unauthenticated
attacker to cause low confidentiality impact, low integrity impact, and no
availability impact.
CVSS Base Score: 4.8
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/
163878 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N)
CVEID: CVE-2019-4473
DESCRIPTION: Multiple binaries in IBM SDK, Java Technology Edition on the AIX
platform use insecure absolute RPATHs, which may facilitate code injection and
privilege elevation by local users.
CVSS Base Score: 8.4
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/
163984 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
CVEID: CVE-2019-11771
DESCRIPTION: Eclipse OpenJ9 could allow a local attacker to gain elevated
privileges on the system, caused by the inclusion of unused RPATHS in AIX
builds. An attacker could exploit this vulnerability to inject code and gain
elevated privileges on the system.
CVSS Base Score: 8.4
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/
163989 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
Affected Products and Versions
IBM CPLEX Optimization Studio and IBM CPLEX Enterprise Server 12.9 and earlier
releases
IBM SDK, Java Technology Edition, Version 7 Service Refresh 10 Fix Pack 40 and
earlier releases
IBM SDK, Java Technology Edition, Version 8 Service Refresh 5 Fix Pack 30 and
earlier releases
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 12.9 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
- From v12.5: IBM JRE Version 7 Service Refresh 10 Fix Pack 50 and subsequent
releases
- From v12.7: IBM JRE Version 8 Service Refresh 5 Fix Pack 40 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
Change History
23 August 2019: Original Version Published
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