Security Bulletin: IBM Decision Optimization in IBM Cloud Pak for Data is vulnerable to a remote attacker to bypass security restrictions (CVE-2023-23931)

Summary

PyPI cryptography package is used in IBM Decision Optimization in IBM Cloud Pak for Data. IBM Decision Optimization in IBM Cloud Pak for Data has addressed the reported vulnerability.

Vulnerability Details

CVEID:CVE-2023-23931
**DESCRIPTION:**PyPI cryptography package could allow a remote attacker to bypass security restrictions, caused by a memory corruption in Cipher.update_into. By passing an immutable python object as the outbuf, an attacker could exploit this vulnerability to bypass authentication and obtain access.
CVSS Base score: 4.8
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/246738 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:L)

Affected Products and Versions

Remediation/Fixes

IBM strongly suggests to upgrade to IBM Decision Optimization in IBM Cloud Pak for Data 4.7 or higher, using the Operator upgrade process described in the IBM Documentation:
<https://www.ibm.com/docs/en/cloud-paks/cp-data/4.7.x?topic=upgrading-from-cloud-pak-data-version-46&gt;

Workarounds and Mitigations

None