ESB-2019.0845 - [Win][Linux][Apple iOS][HP-UX][AIX] IBM CPLEX products: Multiple vulnerabilities 2019-03-15

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             AUSCERT External Security Bulletin Redistribution

                               ESB-2019.0845
Security Bulletin: Multiple vulnerabilities in IBM Java Runtime affect IBM
          ILOG CPLEX Optimization Studio and IBM CPLEX Enterprise
           Server (CVE-2018-1890,CVE-2018-12547, CVE-2019-2426)
                               15 March 2019

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        AusCERT Security Bulletin Summary
        ---------------------------------

Product:           IBM CPLEX products
Publisher:         IBM
Operating System:  AIX
                   Apple iOS
                   HP-UX
                   Linux variants
                   Windows
Impact/Access:     Execute Arbitrary Code/Commands -- Remote/Unauthenticated
                   Increased Privileges            -- Existing Account      
                   Denial of Service               -- Remote/Unauthenticated
                   Access Confidential Data        -- Remote/Unauthenticated
Resolution:        Patch/Upgrade
CVE Names:         CVE-2019-2426 CVE-2018-12547 CVE-2018-1

Reference:         ASB-2019.0018
                   ESB-2019.0807
                   ESB-2019.0777
                   ESB-2019.0776
                   ESB-2019.0698
                   ESB-2019.0665

Original Bulletin: 
   http://www.ibm.com/support/docview.wss?uid=ibm10875674

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Security Bulletin: Multiple vulnerabilities in IBM Java Runtime affect IBM
ILOG CPLEX Optimization Studio and IBM CPLEX Enterprise Server (CVE-2018-1890,
CVE-2018-12547, CVE-2019-2426)

Document information

More support for: IBM ILOG CPLEX Optimization Studio

Software version: 12.9, 12.8, 12.7.1, 12.7, 12.6.3.1, 12.6.3, 12.6.2, 12.6.1,
12.6.0.1, 12.6, 12.5.1, 12.5.0.1, 12.5

Operating system(s): AIX, HP-UX, Linux, Solaris, Windows, iOS

Software edition: All Editions

Reference #: 0875674

Modified date: 14 March 2019

Summary

There are multiple vulnerabilities in IBM(R) Runtime Environment Java(TM) 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-2018-1890
DESCRIPTION: IBM SDK, Java Technology Edition Version 8 on the AIX platform
uses absolute RPATHs which may facilitate code injection and privilege
elevation by local users.
CVSS Base Score: 5.6
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/
152081 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:L/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:L)

CVEID: CVE-2018-12547
DESCRIPTION: Eclipse OpenJ9 is vulnerable to a buffer overflow, caused by
improper bounds checking by the jio_snprintf() and jio_vsnprintf() functions.
By sending an overly long argument, 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/
157512 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)

CVEID: CVE-2019-2426
DESCRIPTION: An unspecified vulnerability in Oracle Java SE related to the
Java SE Networking component could allow an unauthenticated attacker to obtain
sensitive information resulting in a low confidentiality impact using unknown
attack vectors.
CVSS Base Score: 3.7
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/
155744 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:N/A:N)

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 35 and
earlier releases
IBM SDK, Java Technology Edition, Version 8 Service Refresh 5 Fix Pack 27 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:

  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
- From v12.6 to v12.6.3: IBM JRE Version 7 Service Refresh 10 Fix Pack 40 and
subsequent releases
- From v12.7: IBM JRE Version 8 Service Refresh 5 Fix Pack 30 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, MacOS and Solaris, IBM recommends upgrading to a fixed, supported
version/release/platform of the product.

Workarounds and Mitigations

None


Change History

14 March 2019: Original Version Published

*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.

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