Security Bulletin: IBM App Connect Enterprise Certified Container DesignerAuthoring instances may be vulnerable to denial of service due to CVE-2022-21681

Summary

Node.js module marked is used by IBM App Connect Enterprise Certified Container when creating an API-based Designer flow. IBM App Connect Enterprise Certified Container DesignerAuthoring instances may be vulnerable to regular expression denial of service. This bulletin provides patch information to address the reported vulnerability CVE-2022-21681 in DesignerAuthoring instances.

Vulnerability Details

CVEID:CVE-2022-21681
**DESCRIPTION:**Node.js marked module is vulnerable to a denial of service, caused by a regular expression denial of service (ReDoS) flaw in inline.reflinkSearch. By sending a specially-crafted regex input, a remote attacker could exploit this vulnerability to cause a denial of service condition.
CVSS Base score: 7.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/217320 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

App Connect Enterprise Certified Container 1.5, 2.0, 2.1 and 3.0 (Continuous Delivery)

Upgrade to App Connect Enterprise Certified Container Operator version 3.1.0 or higher, and ensure that all DesignerAuthoring components are at 12.0.3.0-r1 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 1.1 EUS (Extended Update Support)

Upgrade to App Connect Enterprise Certified Container Operator version 1.1.7 or higher, and ensure that all DesignerAuthoring components are at 11.0.0.16-r1-eus or higher. Documentation on the upgrade process is available at <https://www.ibm.com/docs/en/app-connect/containers_eus?topic=releases-upgrading-operator&gt;

Workarounds and Mitigations

None