Security Bulletin: IBM MQ Appliance is affected by an OpenSSL vulnerability (CVE-2020-1971)

Summary

IBM MQ Appliance has resolved an OpenSSL vulnerability.

Vulnerability Details

CVEID:CVE-2020-1971
**DESCRIPTION:**OpenSSL is vulnerable to a denial of service, caused by a NULL pointer dereference. If the GENERAL_NAME_cmp function contain an EDIPARTYNAME, an attacker could exploit this vulnerability to cause the application to crash.
CVSS Base score: 7.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/192748 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)

Affected Products and Versions

Remediation/Fixes

This vulnerability is addressed by APAR IT35457.

IBM MQ Appliance 9.1 LTS

Apply the interim fix for APAR IT35457, or later maintenance.

IBM MQ Appliance 9.1 CD

Upgrade to IBM MQ CD 9.2.1 by applying the interim fix for APAR IT35457, or later maintenance.

IBM MQ Appliance 9.2 LTS

Apply the interim fix for APAR IT35457, or later maintenance.

IBM MQ Appliance 9.2 CD

Apply the interim fix for APAR IT35457, or later maintenance.

Workarounds and Mitigations

None