Security Bulletin: Vulnerability in Node.js- CVE-2021-22959, CVE-2021-22960 may affect IBM Watson Assistant for IBM Cloud Pak for Data.

Summary

Potential vulnerabilities in Node.js CVE-2021-22959, CVE-2021-22960 has been identified that may affect IBM Watson Assistant for IBM Cloud Pak for Data. Refer to details for additional information.

Vulnerability Details

CVEID:CVE-2021-22959
**DESCRIPTION:**Node.js is vulnerable to HTTP request smuggling, caused by an error related to a space in headers. A remote attacker could send a specially-crafted request with a space (SP) right after the header name before the colon 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/211168 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)

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

For all affected versions, IBM strongly recommends addressing the vulnerability now by upgrading to the upcoming latest (v4.0.6) release of IBM Watson Assistant for IBM Cloud Pak for Data which maintains backward compatibility with the versions listed above.

Follow instructions for Installing Watson Assistant in Link to Release (v4.0.6 release information)

<https://www.ibm.com/docs/en/cloud-paks/cp-data/4.0?topic=assistant-installing-watson&gt;

Workarounds and Mitigations

None