Splunk: CVE-2022-32153: Splunk Enterprise lacked TLS host name certificate validation

Communications between Splunk nodes and trusted hosts lacked TLS certificate host name validation in Splunk Enterprise versions before 9.0 and Splunk Cloud Platform versions before 8.2.2203. The vulnerability requires compromising a valid certificate within the certificate authority (CA) chain for the specific customer environment or a trusted machine’s chain prior to performing a machine-in-the-middle attack. For Splunk Enterprise, update to Splunk Enterprise version 9.0 or higher andConfigure TLS host name validationto enable the remediation. At the time of publishing, we have no evidence of exploitation of this vulnerability by external parties.