Security Bulletin: IBM Watson Assistant for IBM Cloud Pak for Data is vulnerable to Node.js http-cache-semantics module denial of service ( CVE-2022-25881)

Summary

Potential Node.js http-cache-semantics module denial of service ( CVE-2022-25881) 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-2022-25881
**DESCRIPTION:**Node.js http-cache-semantics module is vulnerable to a denial of service, caused by a regular expression denial of service (ReDoS) flaw. By sending a specially-crafted regex input using request header values, a remote attacker could exploit this vulnerability to cause a denial of service condition.
CVSS Base score: 5.3
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/246089 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L)

Affected Products and Versions

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. 4.6.2, 4.6.3

Remediation/Fixes

For all affected versions, IBM strongly recommends addressing the vulnerability now by upgrading to the latest (v4.7.0 or later releases) 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 (v4.7.0 release information)

<https://www.ibm.com/docs/en/cloud-paks/cp-data/4.7.x&gt;

Workarounds and Mitigations

None