Security Bulletin: IBM MQ is vulnerable to multiple issues in IBM® Runtime Environment Java™ Technology Edition, Version 8 and Version 7 (CVE-2021-35578, CVE-2021-35588, CVE-2021-41035)

Security Bulletin

Summary

Multiple issues were identified in IBM® Runtime Environment Java™ Technology Edition, Version 8 and IBM® Runtime Environment Java™ Technology Edition, Version 7 which affect IBM MQ.

Vulnerability Details

CVEID: CVE-2021-35578
DESCRIPTION: An unspecified vulnerability in Java SE related to the JSSE 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: 5.3
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/211654 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L)

CVEID: CVE-2021-35588
DESCRIPTION: An unspecified vulnerability in Java SE related to the VM 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: 3.1
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/211662 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:L)

CVEID: CVE-2021-41035
DESCRIPTION: Eclipse Openj9 could provide weaker than expected security, caused by the failure to throw IllegalAccessError for MethodHandles that invoke inaccessible interface methods. An attacker could exploit this vulnerability to launch further attacks on the system.
CVSS Base score: 5.3
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/212010 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N)

Affected Products and Versions

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

Remediation/Fixes

This issue is fixed under APAR IT39209

IBM MQ 8.0

Apply iFix for APAR IT39209

IBM MQ 9.0 LTS

Apply FixPack 9.0.0.13

IBM MQ 9.1 LTS

Apply FixPack 9.1.0.10

IBM MQ 9.2 LTS

Apply FixPack 9.2.0.5

IBM MQ 9.1 CD and 9.2 CD

Upgrade to IBM MQ 9.2.5

Workarounds and Mitigations

None

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References

Complete CVSS v3 Guide
On-line Calculator v3

Off

Acknowledgement

Change History

5 May 2022: 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 is vulnerable to multiple issues in IBM® Runtime Environment Java™ Technology Edition, Version 8 and Version 7 (CVE-2021-35578, CVE-2021-35588, CVE-2021-41035)