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

Summary

IBM MQ server or client installations on Microsoft Windows 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&gt; 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

Apply FixPack 8.0.0.12

IBM MQ V9 LTS

Apply FixPack 9.0.0.6

IBM MQ V9.1 LTS

Apply FixPack 9.1.0.2

IBM MQ V9.1 CD

Upgrade to version 9.1.2

Workarounds and Mitigations

None