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AUSCERT External Security Bulletin Redistribution
ESB-2021.3901
Security Bulletin: IBM MQ can inadvertently display
cleartext credentials via diagnostic logs (CVE-2021-38949)
16 November 2021
===========================================================================
AusCERT Security Bulletin Summary
---------------------------------
Product: IBM MQ
Publisher: IBM
Operating System: AIX
HP-UX
Linux variants
Solaris
Windows
IBM i
Impact/Access: Access Confidential Data -- Existing Account
Resolution: Patch/Upgrade
CVE Names: CVE-2021-38949
Original Bulletin:
https://www.ibm.com/support/pages/node/6516424
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IBM MQ Java/JMS clients can inadvertently display cleartext credentials via
diagnostic logs (CVE-2021-38949)
Document Information
Document number : 6516424
Modified date : 15 November 2021
Product : IBM MQ
Software version : 7.5.0;8.0.0;9.0.0;9.1.0
Operating system(s): AIX
HP-UX
IBM i
Linux
Solaris
Windows
Summary
An issue was idenitifed in IBM MQ Java and JMS clients where they could display
clear text credentials in diagnostics log files automatically generated during
system crashes.
Vulnerability Details
CVEID: CVE-2021-38949
DESCRIPTION: IBM MQ stores user credentials in plain clear text which can be
read by a local user.
CVSS Base score: 6.2
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/
211403 for the current score.
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N)
Affected Products and Versions
+--------------------+----------+
|Affected Product(s) |Version(s)|
+--------------------+----------+
|IBM MQ |9.1 LTS |
+--------------------+----------+
|IBM MQ |9.1 CD |
+--------------------+----------+
|IBM MQ |9.0 LTS |
+--------------------+----------+
|IBM MQ |8.0 |
+--------------------+----------+
|IBM WebSphere MQ |7.5 |
+--------------------+----------+
Remediation/Fixes
This issue was resolved in APAR IT29154
WebSphere MQ version 7.5
Contact IBM Support and request a fix for APAR IT29154
IBM MQ version 8
Apply FixPack 8.0.0.14
IBM MQ version 9.0 LTS
Apply FixPack 9.0.0.9
IBM MQ version 9.1 LTS
Apply FixPack 9.1.0.5
IBM MQ version 9.1 CD
Upgrade to IBM MQ 9.1.5 CD
Workarounds and Mitigations
None
Change History
05 Nov 2021: Initial Publication
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