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Security Bulletin: IBM MQ is vulnerable to a privilege escalation attack due to incorrect permissions on MQ directories. (CVE-2019-4078)

Security Bulletin


Summary

IBM MQ could allow a local non privileged user to execute code as an administrator due to incorrect permissions set on MQ installation directories.

Vulnerability Details

CVEID: CVE-2019-4078
DESCRIPTION: IBM MQ could allow a local non privileged user to execute code as an administrator due to incorrect permissions set on MQ installation directories.
CVSS Base Score: 7.4
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/157190 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H)

Affected Products and Versions

IBM MQ V8
versions 8.0.0.0 - 8.0.0.11
 
IBM MQ V9 LTS
versions 9.0.0.0 - 9.0.0.5
 
IBM MQ V9.1 LTS
versions 9.1.0.0 - 9.1.0.1

IBM MQ V9.1 CD
version 9.1.1

Remediation/Fixes

IBM MQ V8
 
IBM MQ V9 LTS
 
IBM MQ V9.1 LTS

IBM MQ V9.1 CD

Workarounds and Mitigations

None

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Reference

Complete CVSS v3 Guide
On-line Calculator v3

Related Information

IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog

Change History

16 May 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: installation

Software version: 8.0.0.0, 8.0.0.1, 8.0.0.2, 8.0.0.3, 8.0.0.4, 8.0.0.5, 8.0.0.6, 8.0.0.7, 8.0.0.8, 8.0.0.9, 8.0.0.10, 8.0.0.11, 9.0.0.0, 9.0.0.1, 9.0.0.2, 9.0.0.3, 9.0.0.4, 9.0.0.5, 9.1.0.0, 9.1.0.1, 9.1.1

Operating system(s): Windows

Reference #: 0872876

Modified date: 21 May 2019