ESB-2017.1860 - [Win][Linux][HP-UX][Solaris][AIX] IBM WebSphere MQ: Denial of service - Remote/unauthenticated 2017-07-31

Printable version
PGP/GPG verifiable version

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

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

                               ESB-2017.1860
Security Bulletin: Non-configured connections could cause denial of service
          in IBM WebSphere MQ Internet Pass-Thru (CVE-2017-1118)
                               31 July 2017

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

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

Product:           IBM WebSphere MQ
Publisher:         IBM
Operating System:  AIX
                   HP-UX
                   Solaris
                   Linux variants
                   Windows
Impact/Access:     Denial of Service -- Remote/Unauthenticated
Resolution:        Patch/Upgrade
CVE Names:         CVE-2017-1118  

Reference:         ESB-2017.1821
                   ESB-2017.1769

Original Bulletin: 
   http://www.ibm.com/support/docview.wss?uid=swg22006580

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

Security Bulletin: Non-configured connections could cause denial of service
in IBM WebSphere MQ Internet Pass-Thru (CVE-2017-1118 )

Document information

More support for: WebSphere MQ
MQIPT

Software version: 2.0, 2.1

Operating system(s): Platform Independent

Reference #: 2006580

Modified date: 28 July 2017

Security Bulletin

Summary

When using the MQIPT SecurityManager, IP addresses that are not configured
in the MQIPT security policy file with the accept and resolve socket
permissions, cause MQIPT to stop responding to connection attempts.

Vulnerability Details

CVEID: CVE-2017-1118
DESCRIPTION: IBM WebSphere MQ Internet Pass-Thru could allow an attacker
to cause the MQIPT to stop responding due to an incorrectly configured
security policy.
CVSS Base Score: 3.7
CVSS Temporal Score: See
https://exchange.xforce.ibmcloud.com/vulnerabilities/121156 for the
current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L)

Affected Products and Versions

IBM WebSphere MQ Internet Pass-Thru v2.0 on all platforms

IBM WebSphere MQ Internet Pass-Thru v2.1 on all platforms

Remediation/Fixes

Download and apply the latest version of IBM WebSphere MQ Internet Pass-Thru,
2.1.0.3 from MS81:WebSphere MQ Internet Pass-Thru page.

Workarounds and Mitigations

None known

References
Complete CVSS v3 Guide
On-line Calculator v3

Related information
IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog

Change History

26 July 2017

*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:

        http://www.auscert.org.au/render.html?cid=1980

===========================================================================
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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=erM5
-----END PGP SIGNATURE-----

« Back to bulletins