Security Bulletin: IBM MQ Java/JMS clients can inadvertently display cleartext credentials via diagnostic logs (CVE-2021-38949)

Security Bulletin

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

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References

Complete CVSS v3 Guide
On-line Calculator v3

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Change History

05 Nov 2021: Initial Publication

*The CVSS Environment Score is customer environment specific and will ultimately impact the Overall CVSS Score. Customers can evaluate the impact of this vulnerability in their environments by accessing the links in the Reference section of this Security Bulletin.

Disclaimer

Review the IBM security bulletin disclaimer and definitions regarding your responsibilities for assessing potential impact of security vulnerabilities to your environment.

Document Location

Worldwide

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Tips

Security Bulletin: IBM MQ Java/JMS clients can inadvertently display cleartext credentials via diagnostic logs (CVE-2021-38949)