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Security Bulletin: IBM WebSphere MQ and IBM MQ Appliance proliferation of channel agents causes denial of service (CVE-2017-1145)

Security Bulletin


Threaded channel agents (amqrmppa) might not terminate when they are no longer required. This can lead to a denial of service through exhausting server resources.

Vulnerability Details

CVEID: CVE-2017-1145
IBM WebSphere MQ does not properly terminate channel agents when they are no longer needed which could allow a user to cause a denial of service through resource exhaustion.
CVSS Base Score: 8.6
CVSS Temporal Score: See for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H)

Affected Products and Versions

IBM WebSphere MQ V8

The only maintenance level that is affected by this vulnerability is

IBM MQ Appliance

The only maintenance level that is affected by this vulnerability is


IBM WebSphere MQ V8

Download and apply ifix IT19218

IBM MQ Appliance

Download and apply ifix IT19218

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Change History

03 March 2017: Initial version published
20 March 2017: Updated to include appliance fix details

*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.


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.

[{"Product":{"code":"SSFKSJ","label":"WebSphere MQ"},"Business Unit":{"code":"BU053","label":"Cloud & Data Platform"},"Component":"Channels LU62 \/ TCP","Platform":[{"code":"PF002","label":"AIX"},{"code":"PF010","label":"HP-UX"},{"code":"PF012","label":"IBM i"},{"code":"PF016","label":"Linux"},{"code":"PF027","label":"Solaris"},{"code":"PF033","label":"Windows"}],"Version":"","Edition":"All Editions","Line of Business":{"code":"LOB36","label":"IBM Automation"}}]

Document Information

Modified date:
15 June 2018