Security Bulletin: IBM MQ is affected by OpenSSL vulnerability (CVE-2023-5363)

Summary

IBM MQ is vulnerable to an OpenSSL vulnerability CVE-2023-5363 during initialization of some symmetric ciphers.

Vulnerability Details

CVEID:CVE-2023-5363
**DESCRIPTION:**OpenSSL could allow a remote attacker to obtain sensitive information, caused by an incorrect cipher key and IV length processing during the initialisation of some symmetric ciphers. By sending a specially crafted request, an attacker could exploit this vulnerability to obtain sensitive information, and use this information to launch further attacks against the affected system.
CVSS Base score: 5.9
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/269418 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N)

Affected Products and Versions

Remediation/Fixes

IBM strongly recommends addressing the vulnerability now by installing the following fixes:

Workarounds and Mitigations

None