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AUSCERT External Security Bulletin Redistribution
ESB-2019.4680
Security Bulletin: IBM MQ is vulnerable to a denial of service attack
caused by an abend while processing messages. (CVE-2019-4560)
16 December 2019
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AusCERT Security Bulletin Summary
---------------------------------
Product: IBM MQ
Publisher: IBM
Operating System: Linux variants
Solaris
IBM i
HP-UX
Impact/Access: Denial of Service -- Existing Account
Resolution: Patch/Upgrade
CVE Names: CVE-2019-4560
Original Bulletin:
https://www.ibm.com/support/pages/node/1106037
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IBM MQ and IBM MQ Appliance are vulnerable to a denial of service attack caused
by an abend while processing messages. (CVE-2019-4560)
Security Bulletin
Summary
An issue was found within the IBM MQ message processing code that results in an
abend while processing a message that was placed on a queue using MQPUT. An
attacker could use this to execute a denial of service attack on a queue
manager.
Vulnerability Details
CVEID: CVE-2019-4560
DESCRIPTION: IBM MQ is vulnerable to a denial of service attack caused by
channels processing poorly formatted messages.
CVSS Base score: 5.3
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/
166357 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 and IBM MQ Appliance|9.1 CD |
+---------------------------+----------+
|IBM MQ and IBM MQ Appliance|9.1 LTS |
+---------------------------+----------+
|IBM MQ |9.0 LTS |
+---------------------------+----------+
|IBM MQ and IBM MQ Appliance|8.0 |
+---------------------------+----------+
Remediation/Fixes
IBM WebSphere MQ V7.1
Contact IBM Support requesting a fix for APAR IT30070
IBM WepSphere MQ V7.5
Contact IBM Support requesting a fix for APAR IT30070
IBM MQ and IBM MQ Appliance V8
Apply FixPack 8.0.0.13
IBM MQ V9 LTS
Apply FixPack 9.0.0.8
IBM MQ and IBM MQ Appliance V9.1 LTS
Apply FixPack 9.1.0.4
IBM MQ and IBM MQ Appliance V9.1 CD
Upgrade to IBM MQ 9.1.4
Workarounds and Mitigations
None
Get Notified about Future Security Bulletins
References
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