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

Summary

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**
DESCRIPTION:** 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 https://exchange.xforce.ibmcloud.com/vulnerabilities/122198 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 8.0.0.6

IBM MQ Appliance

The only maintenance level that is affected by this vulnerability is 8.0.0.6

Remediation/Fixes

IBM WebSphere MQ V8

Download and apply ifix IT19218

IBM MQ Appliance

Download and apply ifix IT19218