Security Bulletin: IBM Watson Discovery for IBM Cloud Pak for Data affected by vulnerability in XStream

Summary

IBM Watson Discovery for IBM Cloud Pak for Data contains a vulnerable version of XStream.

Vulnerability Details

CVEID:CVE-2021-43859
**DESCRIPTION:**XStream is vulnerable to a denial of service, caused by improper input validation. By injecting highly recursive collections or maps, a remote attacker could exploit this vulnerability to allocate 100% CPU time on the system.
CVSS Base score: 7.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/219177 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

Upgrade to IBM Watson Discovery 4.0.7

Upgrade to IBM Watson Discovery 2.2.1 and apply cpd-watson-discovery-2.2.1-patch-9

<https://cloud.ibm.com/docs/discovery-data?topic=discovery-data-install&gt;

<https://www.ibm.com/support/pages/available-patches-watson-discovery-ibm-cloud-pak-data&gt;

Workarounds and Mitigations

None