Security Bulletin: IBM MQ Appliance is affected by multiple vulnerabilities in the IBM Runtime Environment, Java Technology Edition (CVE-2024-20952 and CVE-2023-33850)

Summary

Multiple issues were identified with IBM Runtime Environment, Java Technology Edition, Version 8 which is shipped in IBM MQ Appliance.

Vulnerability Details

**CVEID:**CVE-2024-20952 DESCRIPTION: An unspecified vulnerability in Java SE related to the Security component could allow a remote attacker to cause high confidentiality impact and high integrity impact.
CVSS Base score: 7.4
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/279685 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N)

**CVEID:**CVE-2023-33850 DESCRIPTION: IBM GSKit-Crypto could allow a remote attacker to obtain sensitive information, caused by a timing-based side channel in the RSA Decryption implementation. By sending an overly large number of trial messages for decryption, an attacker could exploit this vulnerability to obtain sensitive information. IBM X-Force ID: 257132.
CVSS Base score: 7.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/257132 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N)

Affected Products and Versions

Remediation/Fixes

This vulnerability is addressed under APAR IT45762

IBM strongly recommends addressing the vulnerability now.

IBM MQ Appliance version 9.3 LTS

Apply IBM MQ Appliance 9.3.0.17 cumulative security update, or later firmware.

IBM MQ Appliance version 9.3 CD

Apply IBM MQ Appliance 9.3.5.1 cumulative security update, or later firmware.

Workarounds and Mitigations

None