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

Summary

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

Vulnerability Details

CVEID:CVE-2021-23437
**DESCRIPTION:**Python Pillow is vulnerable to a denial of service, caused by a regular expression denial of service (ReDoS) flaw in the getrgb function. By sending a specially-crafted regex input, a remote attacker could exploit this vulnerability to cause a denial of service condition.
CVSS Base score: 7.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/208713 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 4.0.3

Upgrade to IBM Watson Discovery 2.2.1 and apply cpd-watson-discovery-2.2.1-patch-5

<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