Security Bulletin: IBM MQ Appliance affected by an OpenSSL vulnerability (CVE-2019-1551)

Summary

IBM MQ Appliance has addressed the following OpenSSL vulnerability.

Vulnerability Details

CVEID:CVE-2019-1551
**DESCRIPTION:**OpenSSL could allow a remote attacker to obtain sensitive information, caused by an overflow in the x64_64 Montgomery squaring procedure used in exponentiation with 512-bit moduli. By performing a man-in-the-middle attack, a remote attacker could exploit this vulnerability to obtain sensitive information.
CVSS Base score: 6.8
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/172752 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:N/A:N)

Affected Products and Versions

Remediation/Fixes

IBM MQ Appliance 8.0

Apply fixpack 8.0.0.15, or later.

IBM MQ Appliance 9.1 LTS

Apply fixpack 9.1.0.6, or later.

IBM MQ Appliance 9.1 CD

Apply IBM MQ Appliance 9.2, or later.

Workarounds and Mitigations

None