Security Bulletin: IBM Decision Optimization for Cloud Pak for Data is vulnerable to a denial of service (CVE-2023-34462)

Summary

There is a vulnerability in Netty used by IBM Decision Optimization for IBM Cloud Pak for Data. IBM Decision Optimization for IBM Cloud Pak for Data has addressed the applicable CVE.

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

Remediation/Fixes

Users are strongly encouraged to upgrade to IBM Decision Optimization for IBM Cloud Pak for Data 4.8 and subsequent releases.
Here is the detailed information on Upgrading IBM Cloud Pak for Data

Workarounds and Mitigations

None