SB2022010520 - IBM Cloud Private update for Elasticsearch 



SB2022010520 - IBM Cloud Private update for Elasticsearch

Published: January 5, 2022

Security Bulletin ID SB2022010520
Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Data manipulation

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Improper Certificate Validation (CVE-ID: CVE-2021-22138)

The vulnerability allows a remote attacker to perform MitM attack.

The vulnerability exists due to improper TLS certificate validation in the monitoring feature of Logstash. When specifying a trusted server CA certificate Logstash does not properly verify the certificate returned by the monitoring server. A remote attacker can preform a Man-in-the-Middle attack.


Remediation

Install update from vendor's website.