Security Bulletin: IBM App Connect Enterprise Certified Container operands may be vulnerable to bypassing of security restrictions due to CVE-2021-44533

Summary

Node.js is used by all operands in IBM App Connect Enterprise Certified Container. IBM App Connect Enterprise Certified Container operands may be vulnerable to bypassing of security restrictions. This bulletin provides patch information to address the reported vulnerability CVE-2021-44533 in Node.js.

Vulnerability Details

CVEID:CVE-2021-44533
**DESCRIPTION:**Node.js could allow a remote attacker to bypass security restrictions, caused by the incorrect handling of multi-value Relative Distinguished Names. By crafting certificate subjects containing a single-value Relative Distinguished Name that would be interpreted as a multi-value Relative Distinguished Name, an attacker could exploit this vulnerability to bypass the certificate subject verification.
CVSS Base score: 5.3
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/216932 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N)

Affected Products and Versions

Remediation/Fixes

App Connect Enterprise Certified Container 4.1, 4.2, 5.0, 5.1 and 5.2 (Continuous Delivery)

Upgrade to App Connect Enterprise Certified Container Operator version 6.0.0 or higher, and ensure that all components are at 12.0.5.0-r4 or higher. Documentation on the upgrade process is available at <https://www.ibm.com/docs/en/app-connect/containers_cd?topic=releases-upgrading-operator&gt;

App Connect Enterprise Certified Container 5.0 LTS (Long Term Support)

Upgrade to App Connect Enterprise Certified Container Operator version 5.0.1 or higher, and ensure that all components are at 12.0.6.0-r1-lts or higher. Documentation on the upgrade process is available at <https://www.ibm.com/docs/en/app-connect-contlts?topic=releases-upgrading-operator&gt;

Workarounds and Mitigations

None