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Security Bulletin: IBM MQ Appliance is vulnerable to a denial of service vulnerability (CVE-2020-4376)

Security Bulletin


Summary

IBM MQ Appliance has resolved a denial of service vulnerability.

Vulnerability Details

CVEID:   CVE-2020-4376
DESCRIPTION:   IBM MQ, IBM MQ Appliance, IBM MQ for HPE NonStop 8.0.4 and 8.1.0 could allow an attacker to cause a denial of service caused by an error within the pubsub logic. IBM X-Force ID: 179081.
CVSS Base score: 5.3
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/179081 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H)

Affected Products and Versions

Affected Product(s) Version(s)
IBM MQ Appliance 8.0
IBM MQ Appliance 9.1 LTS
IBM MQ Appliance 9.1 CD

Remediation/Fixes

IBM MQ Appliance 8.0

Apply fixpack 8.0.0.15, or later.

IBM MQ Appliance 9.1 LTS

Apply fixpack 9.1.0.5, or later.

IBM MQ Appliance 9.1 CD

Apply IBM MQ Appliance 9.2, or later.

Workarounds and Mitigations

None

Get Notified about Future Security Bulletins

References

Off

Change History

23 Jul 2020: Initial Publication

*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 Location

Worldwide

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Document Information

Modified date:
27 July 2020

UID

ibm16252779