Security Bulletin: IBM MQ Appliance affected by account enumeration and denial of service vulnerabilities (CVE-2022-22356 and CVE-2022-22355)

Summary

IBM MQ Appliance has resolved account enumeration and denial of service vulnerabilities.

Vulnerability Details

CVEID:CVE-2022-22356
**DESCRIPTION:**IBM DataPower Gateway could allow an attacker to enumerate account credentials due to an observable discrepancy in valid and invalid login attempts.
CVSS Base score: 5.3
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/220487 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N)

CVEID:CVE-2022-22355
**DESCRIPTION:**IBM MQ Appliance and IBM DataPower Gateway are vulnerable to a denial of service in the Login component of the application which could allow an attacker to cause a drop in performance.
CVSS Base score: 5.3
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/220486 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L)

Affected Products and Versions

Remediation/Fixes

These vulnerabilities are addressed under IT40182

IBM strongly recommends addressing the vulnerability now.

IBM MQ Appliance version 9.2 LTS

Apply interim fix firmware for APAR IT40182, or later firmware.

IBM MQ Appliance version 9.2 CD

Apply interim fix firmware for APAR IT40182 , or later firmware.

Workarounds and Mitigations

None