ESB-2018.3622 - [Win] IBM ILOG CPLEX Optimization Studio: Denial of service - Remote with user interaction 2018-11-21

Printable version
PGP/GPG verifiable version

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256

===========================================================================
             AUSCERT External Security Bulletin Redistribution

                               ESB-2018.3622
        The Community Edition of IBM ILOG CPLEX Optimization Studio
                 is affected by a vulnerability in libcurl
                             21 November 2018

===========================================================================

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

Product:           IBM ILOG CPLEX Optimization Studio
Publisher:         IBM
Operating System:  Windows
Impact/Access:     Denial of Service -- Remote with User Interaction
Resolution:        Patch/Upgrade
CVE Names:         CVE-2018-16840  

Reference:         ESB-2018.3517
                   ESB-2018.3472
                   ESB-2018.3448
                   ESB-2018.3423.2

Original Bulletin: 
   https://www.ibm.com/support/docview.wss?uid=ibm10739961

- --------------------------BEGIN INCLUDED TEXT--------------------

Security Bulletin: The Community Edition of IBM ILOG CPLEX Optimization Studio
is affected by a vulnerability in libcurl (CVE-2018-16840)

Security Bulletin

Document information

More support for: IBM ILOG CPLEX Optimization Studio

Software version: 12.8

Operating system(s): Windows

Software edition: Community Edition

Reference #: 0739961

Modified date: 19 November 2018

Summary

The Community Edition of IBM ILOG CPLEX Optimization Studio on Windows platform
only has addressed the following vulnerability: libcurl is vulnerable to a
denial of service.

Vulnerability Details

CVEID: CVE-2018-16840
DESCRIPTION: cURL is vulnerable to a denial of service, caused by a heap
use-after-free flaw in the Curl_close function. By sending a specially-crafted
request, a remote attacker could exploit this vulnerability to cause a denial
of service condition.
CVSS Base Score: 5.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/
152299 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L)

Affected Products and Versions

Affected IBM ILOG CPLEX Optimization Studio Affected Versions
IBM ILOG CPLEX Optimization Studio          12.8

 

Remediation/Fixes

Please replace the initial DLL version 7.54.1.0 with the fixed version 7.60.0.0
available on Fix Central.
MD checksum: 04e1fe45fce57cd33a7b803230d06c35

For information, here is the path of the DLL:

<Installation directory>\cplex\bin\x64_win64\libcurl.dll


Workarounds and Mitigations

There is no workaround or mitigation.

Reference

Complete CVSS v3 Guide
On-line Calculator v3

Related Information

IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog

Change History

19 November 2018: 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.

- --------------------------END INCLUDED TEXT--------------------

You have received this e-mail bulletin as a result of your organisation's
registration with AusCERT. The mailing list you are subscribed to is
maintained within your organisation, so if you do not wish to continue
receiving these bulletins you should contact your local IT manager. If
you do not know who that is, please send an email to auscert@auscert.org.au
and we will forward your request to the appropriate person.

NOTE: Third Party Rights
This security bulletin is provided as a service to AusCERT's members.  As
AusCERT did not write the document quoted above, AusCERT has had no control
over its content. The decision to follow or act on information or advice
contained in this security bulletin is the responsibility of each user or
organisation, and should be considered in accordance with your organisation's
site policies and procedures. AusCERT takes no responsibility for consequences
which may arise from following or acting on information or advice contained in
this security bulletin.

NOTE: This is only the original release of the security bulletin.  It may
not be updated when updates to the original are made.  If downloading at
a later date, it is recommended that the bulletin is retrieved directly
from the author's website to ensure that the information is still current.

Contact information for the authors of the original document is included
in the Security Bulletin above.  If you have any questions or need further
information, please contact them directly.

Previous advisories and external security bulletins can be retrieved from:

        https://www.auscert.org.au/bulletins/

===========================================================================
Australian Computer Emergency Response Team
The University of Queensland
Brisbane
Qld 4072

Internet Email: auscert@auscert.org.au
Facsimile:      (07) 3365 7031
Telephone:      (07) 3365 4417 (International: +61 7 3365 4417)
                AusCERT personnel answer during Queensland business hours
                which are GMT+10:00 (AEST).
                On call after hours for member emergencies only.
===========================================================================
-----BEGIN PGP SIGNATURE-----
Comment: http://www.auscert.org.au/render.html?it=1967
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=aDti
-----END PGP SIGNATURE-----

« Back to bulletins