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

Summary

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

Vulnerability Details

CVEID:CVE-2021-23017
**DESCRIPTION:**NGINX could allow a remote attacker to execute arbitrary code on the system, caused by an off-by-one error in ngx_resolver_copy() while processing DNS responses. By sending a specially-crafted request, an attacker could exploit this vulnerability to execute arbitrary code on the system.
CVSS Base score: 8.1
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/202450 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H)

Affected Products and Versions

Remediation/Fixes

Upgrade to IBM Watson Discovery 4.0.2

Upgrade to IBM Watson Discovery 2.2.1 and apply cpd-watson-discovery-2.2.1-patch-4

<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