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AUSCERT External Security Bulletin Redistribution
ESB-2019.3650
IBM MQ and IBM MQ Appliance are vulnerable to a denial of service attack
caused by a memory leak in the clustering code. (CVE-2019-4141)
27 September 2019
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AusCERT Security Bulletin Summary
---------------------------------
Product: IBM MQ
IBM MQ Appliance
Publisher: IBM
Operating System: Network Appliance
Impact/Access: Denial of Service -- Remote/Unauthenticated
Resolution: Patch/Upgrade
CVE Names: CVE-2019-4141
Original Bulletin:
https://www.ibm.com/support/pages/node/876772
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IBM MQ and IBM MQ Appliance are vulnerable to a denial of service attack caused
by a memory leak in the clustering code. (CVE-2019-4141)
Security Bulletin
Summary
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.
Vulnerability Details
CVEID: CVE-2019-4141
DESCRIPTION: 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)
Affected Products and Versions
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
Remediation/Fixes
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
Workarounds and Mitigations
None
Get Notified about Future Security Bulletins
References
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