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

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

Get Notified about Future Security Bulletins

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.

Document information

More support for: 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

Modified date: 10 April 2019