A security vulnerability has been identified in all levels of IBM Elastic Storage Server that could allow an attacker to cause a denial of service. A fix for this vulnerability is available.
DESCRIPTION: IBM Elastic Storage System could allow a remote attacker to cause a denial of service by sending malformed UDP requests.
CVSS Base score: 7.5
CVSS Temporal Score: See: https://exchange.xforce.ibmcloud.com/vulnerabilities/193486 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
|IBM Elastic Storage Server||5.3.0 - 18.104.22.168|
For IBM Elastic Storage Server V5.3.0 thru 22.214.171.124, apply V5.3.7 available from FixCentral at:
And then enable security on these system using the security tool provided in these release by running below steps :
- To enable security, from the container, run the command:
# ./gss_security -e
where <node_name> is the node on which security needs to be enabled.
- You can verify it has been enabled by running the command,
# ./gss_security -c
Workarounds and Mitigations
Get Notified about Future Security Bulletins
18 Mar 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.
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.
23 March 2021