Security Bulletin: IBM MQ Appliance is affected by Mozilla Network Security Services (NSS) vulnerability (CVE-2020-25648)

Summary

IBM MQ Appliance has resolved a Mozilla Network Security Services (NSS) vulnerability.

Vulnerability Details

CVEID:CVE-2020-25648
**DESCRIPTION:**Mozilla Network Security Services (NSS), as used in Mozilla Firefox is vulnerable to a denial of service, caused by improper handling of CCS (ChangeCipherSpec) messages in TLS. By sending specially-crafted CCS messages, a remote attacker could exploit this vulnerability to cause the system to crash.
CVSS Base score: 7.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/190416 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 under APAR IT37279.

IBM MQ Appliance version 9.1 LTS

Apply 9.1.0.8 interim fix firmware for IT37279, or later firmware.

IBM MQ Appliance version 9.1 CD

Upgrade to 9.2.2 CD interim fix firmware for IT37279, or later firmware.

IBM MQ Appliance version 9.2 LTS

Apply 9.2.0.2 interim fix firmware for IT37279, or later firmware.

IBM MQ Appliance version 9.2 CD

Apply 9.2.2 CD interim fix firmware for IT37279, or later firmware.

Workarounds and Mitigations

None