Security Bulletin: IBM Watson Assistant for IBM Cloud Pak for Data is vulnerable to Node.js command execution vulnerability (CVE-2022-43548)

Summary

Potential command execution vulnerability in Node.js (CVE-2022-43548) 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-2022-43548
**DESCRIPTION:**Node.js could allow a remote attacker to execute arbitrary commands on the system, caused by an insufficient IsAllowedHost check. By sending a specially-crafted DBS request using an invalid octal address, an attacker could exploit this vulnerability to conduct a DNS rebinding attack and execute arbitrary commands on the system.
CVSS Base score: 8.1
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/241552 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H)

Affected Products and Versions

1.5.0, 4.0.0, 4.0.2, 4.0.4, 4.0.5, 4.0.6, 4.0.7, 4.0.8, 4.5.1, 4.5.3, 4.6

Remediation/Fixes

For all affected versions, IBM strongly recommends addressing the vulnerability now by upgrading to the latest (v4.6.2) 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 (v4.6.2 release information)

https://www.ibm.com/docs/en/cloud-paks/cp-data/4.6.x

Workarounds and Mitigations

None