CVE-2022-32153 : Security Advisory and Response
Learn about CVE-2022-32153, a high-severity vulnerability in Splunk Enterprise and Splunk Cloud Platform versions allowing bypass of TLS certificate validation, impacting confidentiality, integrity, and availability.
This article provides detailed information about CVE-2022-32153, a vulnerability found in Splunk Enterprise and Splunk Cloud Platform that lacked TLS host name validation.
Understanding CVE-2022-32153
This section explains the impact, technical details, and mitigation steps related to CVE-2022-32153.
What is CVE-2022-32153?
The vulnerability in Splunk Enterprise and Splunk Cloud Platform versions allowed attackers with administrator credentials to bypass certificate validation during Splunk-to-Splunk communications, potentially leading to security breaches.
The Impact of CVE-2022-32153
The vulnerability scored 8.1 on the CVSS scale, signifying a high severity level due to the lack of TLS certificate validation, which could compromise confidentiality, integrity, and availability of the affected systems.
Technical Details of CVE-2022-32153
This section covers specific technical aspects of the vulnerability.
Vulnerability Description
Splunk Enterprise versions before 9.0 and Splunk Cloud Platform versions before 8.2.2203 did not validate TLS certificates during peer communications, allowing unauthorized nodes to establish connections without proper certificate validation.
Affected Systems and Versions
The affected products include Splunk Enterprise versions less than 9.0 and Splunk Cloud Platform versions less than 8.2.2203.
Exploitation Mechanism
Attackers with administrator credentials could exploit the lack of certificate validation to add unauthorized peers and establish connections from misconfigured nodes without valid certificates.
Mitigation and Prevention
This section outlines steps to mitigate the CVE-2022-32153 vulnerability.
Immediate Steps to Take
Users are advised to update Splunk Enterprise to version 9.0 and configure TLS host name validation for Splunk-to-Splunk communications to address the vulnerability.
Long-Term Security Practices
In addition to immediate updates, organizations should enforce strict certificate validation practices and regularly monitor peer communications for any anomalies.
Patching and Updates
Regularly applying security patches and updates provided by Splunk is essential to mitigate the risk of similar vulnerabilities in the future.