Security Bulletin: IBM Watson Assistant for IBM Cloud Pak for Data is vulnerable to urllib3 for python man-in-the-middle and security bypass vulnerabilities( CVE-2021-3572,CVE-2021-28363,)

Summary

Potential urllib3 for python man-in-the-middle and security bypass vulnerabilities( CVE-2021-28363, CVE-2021-3572) has been identified that may affect IBM Watson Assistant for IBM Cloud Pak for Data. Refer to details for additional information.

Vulnerability Details

CVEID:CVE-2021-28363
**DESCRIPTION:**urllib3 for python is vulnerable to a man-in-the-middle attack, caused by improper certificate validation in some cases involving HTTPS to HTTPS proxies. An attacker could exploit this vulnerability to launch a man-in-the-middle attack and gain access to the communication channel between endpoints to obtain sensitive information or further compromise the system.
CVSS Base score: 5.9
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/198199 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:L/A:N)

CVEID:CVE-2021-3572
**DESCRIPTION:**pip package for python could allow a remote authenticated attacker to bypass security restrictions, caused by the improper handling of Unicode separators in git references. By creating a specially crafted tag, an attacker could exploit this vulnerability to install a different revision on a repository.
CVSS Base score: 4.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/208954 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:H/A:N)

Affected Products and Versions

Remediation/Fixes

For all affected versions, IBM strongly recommends addressing the vulnerability now by upgrading to the latest (v4.7.0 or later releases) release of IBM Watson Assistant for IBM Cloud Pak for Data which maintains backward compatibility with the versions listed above.

Follow instructions for Installing Watson Assistant in Link to Release (v4.7.0 release information)

<https://www.ibm.com/docs/en/cloud-paks/cp-data/4.7.x&gt;

Workarounds and Mitigations

None