A vulnerability in the Redis service packaged as part of Watson Knowledge Catalog for IBM Cloud Pak for Data could lead to denial of service attacks. The issue is now addressed.
DESCRIPTION: Redis is vulnerable to a denial of service, caused by an integer overflow in the getnum function in lua_struct.c in Redis. By sending a specially crafted command with a large number, a remote attacker could exploit this vulnerability to cause a stack-based buffer overflow, leading a denial of service..
CVSS Base score: 5.3
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/183518 for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L)
Affected Products and Versions
|IBM Watson Knowledge Catalog for IBM Cloud Pak for Data||3.0.1|
Install wkc-patch-22.214.171.124 for IBM Cloud Pak for Data.
See https://www.ibm.com/support/pages/node/5693666 for details.
Workarounds and Mitigations
The Redis service is only accessible from within the CPD RHOS cluster and not exposed to the outside. It greatly reduces the risk of possible attacks.
Get Notified about Future Security Bulletins
03 Aug 2020: 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.
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.
03 August 2020