Security Bulletin: IBM App Connect Enterprise Certified Container may be vulnerable to HTTP request smuggling due to CVE-2021-22960

Summary

Node.js is used by IBM App Connect Enterprise Certified Container for running, authoring and managing flows. All IBM App Connect Enterprise Certified Container operands may be vulnerable to CVE-2021-22960. This bulletin provides patch information to address the reported vulnerability CVE-2021-22960.

Vulnerability Details

CVEID:CVE-2021-22960
**DESCRIPTION:**Node.js is vulnerable to HTTP request smuggling, caused by an error when parsing the body of chunked requests. A remote attacker could send a specially-crafted request to lead to HTTP Request Smuggling (HRS). An attacker could exploit this vulnerability to poison the web cache, bypass web application firewall protection, and conduct XSS attacks.
CVSS Base score: 6.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/211171 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N)

Affected Products and Versions

Remediation/Fixes

App Connect Enterprise Certified Container 1.5, 2.0, 2.1, 3.0 and 3.1 (Continuous Delivery)

Upgrade to App Connect Enterprise Certified Container Operator version 4.0.0 or higher, and ensure that all operands are at 12.0.3.0-r2 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 operands 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