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)

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

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