IBM MQ is vulnerable to a denial of service attack

http://catherinecrouch.com/strong-wounds Overview :

A vulnerability was found in the clustering code that caused a memory leak. This could be exploited by an attacker to execute a denial of service attack against a queue manager.

cagily Affected Product(s) :

IBM WebSphere MQ V7.1

versions 7.1.0.0 – 7.1.0.9

IBM WepSphere MQ V7.5

versions 7.5.0.0 – 7.5.0.9

IBM MQ and IBM MQ Appliance V8

versions 8.0.0.0 – 8.0.0.11

IBM MQ V9 LTS

versions 9.0.0.0 – 9.0.0.6

IBM MQ and IBM MQ Appliance v9.1 LTS

versions 9.1.0.0 – 9.1.0.2

IBM MQ and IBM MQ Appliance v9.1 CD

versions 9.1.1 – 9.1.2

Vulnerability Details :

CVE ID :	CVE-2019-4141
	IBM MQ is vulnerable to a denial of service attack caused by a memory leak in the clustering code. CVSS Base Score: 5.3 CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/158337 for the current score CVSS Environmental Score*: Undefined CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H)

Solution :

- IBM WebSphere MQ V7.1
  
  Contact IBM Support requesting a fix for APAR IT27859
  
  IBM WepSphere MQ V7.5
  
  Contact IBM Support requesting a fix for APAR IT27859
  
  IBM MQ and IBM MQ Appliance V8
  
  Apply FixPack 8.0.0.12
  
  IBM MQ V9 LTS
  
  Apply FixPack 9.0.0.7
  
  IBM MQ and IBM MQ Appliance V9.1 LTS
  
  Apply FixPack 9.1.0.3
  
  IBM MQ and IBM MQ Appliance V9.1 CD
  
  Upgrade to IBM MQ 9.1.3