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Security Bulletin: Invalid user group vulnerability in IBM MQ on Unix platform(CVE-2018-1551)

Security Bulletin


Summary

IBM MQ could allow users to have more authority than they should have if an MQ administrator creates an invalid user group name.

Vulnerability Details

CVEID:  CVE-2018-1551
DESCRIPTION:  IBM MQ could allow users to have more authority than they should have if an MQ administrator creates an invalid user group name.
CVSS Base Score: 3.1
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/142888 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N)

Affected Products and Versions

IBM MQ v8.0.0.2 to 8.0.0.8

IBM MQ 9.0.0.0 to 9.0.0.3

Remediation/Fixes

IBM MQ v8.0.0.2 to 8.0.0.8

Apply fix pack 8.0.0.9 or above

IBM MQ 9.0.0.0 to 9.0.0.3

Apply fix pack 9.0.0.4 or above

Workarounds and Mitigations

None

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

31 July 2018 - original document 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: WebSphere MQ

Software version: All Versions

Operating system(s): AIX, HP-UX, IBM i, Linux, Solaris

Reference #: 0716113

Modified date: 31 July 2018


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