Security Bulletin: Multiple Vulnerabilities in WebSphere Liberty affecting Watson Knowledge Catalog for IBM Cloud Pak for Data

Summary

WebSphere liberty is vulnerable to a DOS that is impacting Watson Knowledge Catalog for IBM Cloud Pak for Data. This vulnerability has been addressed.

Vulnerability Details

CVEID:CVE-2021-35517
**DESCRIPTION:**Apache Commons Compress is vulnerable to a denial of service, caused by an out of memory error when allocating large amounts of memory. By persuading a victim to open a specially-crafted TAR archive, a remote attacker could exploit this vulnerability to cause a denial of service condition against services that use Compress’ tar package.
CVSS Base score: 5.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/205307 for the current score.
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H)

CVEID:CVE-2021-36090
**DESCRIPTION:**Apache Commons Compress is vulnerable to a denial of service, caused by an out-of-memory error when large amounts of memory are allocated. By reading a specially-crafted ZIP archive, a remote attacker could exploit this vulnerability to cause a denial of service condition against services that use Compress’ zip package.
CVSS Base score: 7.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/205310 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

Watson Knowledge Catalog for IBM Cloud Pak for Data 4.0: install Refresh 4 of Cloud Pak for Data Version 4.0: <https://www.ibm.com/docs/en/cloud-paks/cp-data/4.0?topic=overview-whats-new#whats-new__refresh-4&gt;

Watson Knowledge Catalog for IBM Cloud Pak for Data 3.5.1: install Refresh 12 of Cloud Pak for Data Version 3.5: <https://www.ibm.com/docs/en/cloud-paks/cp-data/3.5.0?topic=overview-whats-new#whats-new__refresh-12&gt;

Workarounds and Mitigations

None. WebSphere Liberty must be upgraded.