ESB-2019.1239 - [Win][Linux][IBM i][Solaris][AIX] IBM MQ: Access confidential data - Remote/unauthenticated 2019-04-11

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             AUSCERT External Security Bulletin Redistribution

                               ESB-2019.1239
       IBM Security Bulletin: IBM MQ Console is vulnerable to a man
                   in the middle attack (CVE-2018-1925)
                               11 April 2019

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

Product:           IBM MQ
Publisher:         IBM
Operating System:  AIX
                   IBM i
                   Linux variants
                   Solaris
                   Windows
Impact/Access:     Access Confidential Data -- Remote/Unauthenticated
Resolution:        Patch/Upgrade
CVE Names:         CVE-2018-1925  

Original Bulletin: 
   http://www.ibm.com/support/docview.wss?uid=ibm10744713

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IBM MQ Console is vulnerable to a man in the middle attack (CVE-2018-1925)

Product:             IBM MQ

Component:           Console

Software version:    9.1.0.0, 9.1.0.1, 9.1.1

Operating system(s): AIX, IBM i, Linux, Solaris, Windows

Reference #:         0744713

Security Bulletin

Summary

The IBM MQ Console is vulnerable to a man in the middle attack caused by weaker
than expected cryptographic algorithms.

Vulnerability Details

CVEID: CVE-2018-1925
DESCRIPTION: IBM MQ uses weaker than expected cryptographic algorithms that
could allow an attacker to decrypt highly sensitive information.
CVSS Base Score: 5.9
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/
152925 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N)

Affected Products and Versions

IBM MQ V9.1 LTS

v9.1.0.0 - 9.1.0.1

IBM MQ V9.1 CD

v9.1.1

Remediation/Fixes

IBM MQ V9.1 LTS

Apply FixPack 9.1.0.2

IBM MQ V9.1 CD

Upgrade to v9.1.2

Workarounds and Mitigations

Enable FIPS mode in your jvm.options file for the MQ Console by adding the
following line:

- -Dcom.ibm.jsse2.usefipsprovider=true

Reference

Complete CVSS v3 Guide
On-line Calculator v3

Related Information

IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog

Change History

10 April 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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