Security Bulletin: IBM Watson Assistant for IBM Cloud Pak for Data is vulnerable to GNU Libtasn1 information disclosure vulnerability [CVE-2021-46848]

Summary

Potential GNU Libtasn1 information disclosure vulnerability has been identified that may affect IBM Watson Assistant for IBM Cloud Pak for Data. This vulnerability has been addressed. Refer to details for additional information. [CVE-2021-46848]

Vulnerability Details

CVEID:CVE-2021-46848
**DESCRIPTION:**GNU Libtasn1 could allow a remote attacker to obtain sensitive information, caused by an out-of-bound access flaw in ETYPE_OK. By sending a specially-crafted request, an attacker could exploit this vulnerability to obtain sensitive information, or cause a denial of service condition.
CVSS Base score: 9.1
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/240735 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H)

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