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

Summary

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

Vulnerability Details

CVEID:CVE-2023-34462
**DESCRIPTION:**Netty is vulnerable to a denial of service, caused by a flaw with allocating up to 16MB of heap for each channel during the TLS handshake the SniHandler class. By sending a specially crafted client hello packet, a remote authenticated attacker could exploit this vulnerability to cause a OutOfMemoryError and so result in a denial of service condition.
CVSS Base score: 6.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/258713 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H)

Affected Products and Versions

4.0.0-4.7.1

Remediation/Fixes

Upgrade to IBM Watson Discovery 4.7.3

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

Workarounds and Mitigations

None