Security Bulletin: IBM MQ is vulnerable to multiple issues within the IBM® Runtime Environment Java™ Technology Edition, Versions 7 and 8 shipped with IBM MQ (CVE-2021-2432, CVE-2021-2388)

Security Bulletin

Summary

Multiple issues were identified with IBM® Runtime Environment Java™ Technology Edition, version 7 that is packaged with IBM MQ 8.0 and versions 8 that is packaged with IBM MQ 9.0, 9.1 and 9.2.

Vulnerability Details

CVEID: CVE-2021-2432
DESCRIPTION: An unspecified vulnerability in Java SE related to the JNDI component could allow an unauthenticated attacker to cause a denial of service resulting in a low availability impact using unknown attack vectors.
CVSS Base score: 3.7
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/205856 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L)

CVEID: CVE-2021-2388
DESCRIPTION: An unspecified vulnerability in Java SE related to the VM component could allow an unauthenticated attacker to take control of the system.
CVSS Base score: 7.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/205815 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H)

Affected Products and Versions

Affected Product(s)	Version(s)
IBM MQ	8.0
IBM MQ	9.0 LTS
IBM MQ	9.1 LTS
IBM MQ	9.2 LTS
IBM MQ	9.1 CD
IBM MQ	9.2 CD

Remediation/Fixes

This issued was addressed under APAR IT38523.

IBM MQ version 8.0

Apply the JRE update interim fix APAR IT38524

IBM MQ version 9.0 LTS

Apply FixPack 9.0.0.12

IBM MQ version 9.1 LTS

Apply FixPack 9.1.0.9

IBM MQ version 9.2 LTS

Apply FixPack 9.2.0.4

IBM MQ 9.1 CD and 9.2 CD

Upgrade to IBM MQ 9.2.4

Workarounds and Mitigations

None

Get Notified about Future Security Bulletins

Subscribe to My Notifications to be notified of important product support alerts like this.

References

Complete CVSS v3 Guide
On-line Calculator v3

Off

Change History

18 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

[{"Business Unit":{"code":"BU059","label":"IBM Software w\/o TPS"},"Product":{"code":"SSYHRD","label":"IBM MQ"},"Component":"Java\/JMS, Explorer, WebUI","Platform":[{"code":"PF016","label":"Linux"},{"code":"PF051","label":"Linux on IBM Z Systems"},{"code":"PF033","label":"Windows"},{"code":"PF027","label":"Solaris"},{"code":"PF002","label":"AIX"},{"code":"PF010","label":"HP-UX"},{"code":"PF012","label":"IBM i"}],"Version":"8.0.0, 9.0.0, 9.1.0, 9.2.0","Edition":"All","Line of Business":{"code":"LOB45","label":"Automation"}}]

Tips

Security Bulletin: IBM MQ is vulnerable to multiple issues within the IBM® Runtime Environment Java™ Technology Edition, Versions 7 and 8 shipped with IBM MQ (CVE-2021-2432, CVE-2021-2388)