Security Bulletin
Summary
There is a man-in-the-middle attack vulnerability in the Apache Cassandra service packaged as part of Watson Knowledge Catalog for IBM Cloud Pak for Data. The issue is now addressed.
Vulnerability Details
CVEID: CVE-2020-13946
DESCRIPTION: Apache Cassandra is vulnerable to a man-in-the-middle attack, caused by a RMI rebind vulnerability. By manipulating the RMI registry, an attacker could exploit this vulnerability to launch a man-in-the-middle attack and obtain user names and passwords used to access the JMX interface.
CVSS Base score: 6.2
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/187592 for the current score.
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N)
Affected Products and Versions
| Affected Product(s) | Version(s) |
| Watson Knowledge Catalog for IBM Cloud Pak for Data | 3.0 |
| Watson Knowledge Catalog for IBM Cloud Pak for Data | 2.5 |
Remediation/Fixes
Watson Knowledge Catalog for IBM Cloud Pak for Data 2.5: install WKC patch 11: https://www.ibm.com/support/pages/node/5693666#%23250
Watson Knowledge Catalog for IBM Cloud Pak for Data 3.0: install WKC patch 6: https://www.ibm.com/support/pages/node/5693666#%23301
Workarounds and Mitigations
The Apache Cassandra service is not exposed outside of the OpenShift cluster hosting Cloud Pak for Data which is limiting the ability to exploit this vulnerability.
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References
Change History
13 Jan 2021: Initial Publication
*The CVSS Environment Score is customer environment specific and will ultimately impact the Overall CVSS Score. Customers can evaluate the impact of this vulnerability in their environments by accessing the links in the Reference section of this Security Bulletin.
Disclaimer
According to the Forum of Incident Response and Security Teams (FIRST), the Common Vulnerability Scoring System (CVSS) is an "industry open standard designed to convey vulnerability severity and help to determine urgency and priority of response." IBM PROVIDES THE CVSS SCORES ""AS IS"" WITHOUT WARRANTY OF ANY KIND, INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. CUSTOMERS ARE RESPONSIBLE FOR ASSESSING THE IMPACT OF ANY ACTUAL OR POTENTIAL SECURITY VULNERABILITY.
Document Location
Worldwide
Document Information
Modified date:
13 January 2021
UID
ibm16403952