CVE-2022-37437 : Vulnerability Insights and Analysis

Ingest Actions UI in Splunk Enterprise 9.0.0 disabled TLS certificate validation

Understanding CVE-2022-37437

A vulnerability has been identified in Splunk Enterprise 9.0.0 related to TLS certificate validation in the Ingest Actions configuration.

What is CVE-2022-37437?

The vulnerability arises when configuring a destination on Amazon S3 in Splunk Web using Ingest Actions, where TLS certificate validation is not correctly performed. It impacts connections between Splunk Enterprise and an Ingest Actions Destination through Splunk Web.

The Impact of CVE-2022-37437

The vulnerability affects Splunk Enterprise version 9.0.0 specifically and does not impact versions prior to 9.0.0. It has a CVSS base score of 7.4 (High Severity) with confidentiality, integrity, and high impact.

Technical Details of CVE-2022-37437

Vulnerability Description

The vulnerability in Splunk Enterprise 9.0.0 arises due to disabled TLS certificate validation in the Ingest Actions UI configuration for destinations on Amazon S3.

Affected Systems and Versions

Splunk Enterprise version 9.0.0 is affected by this vulnerability, while versions below 9.0.0 including 8.1.x and 8.2.x remain unaffected.

Exploitation Mechanism

The vulnerability can be exploited through connections between Splunk Enterprise and an Ingest Actions Destination via Splunk Web.

Mitigation and Prevention

Immediate Steps to Take

It is recommended to apply the necessary security updates provided by Splunk to mitigate the vulnerability. Ensure proper TLS certificate validation configurations.

Long-Term Security Practices

Regularly update Splunk Enterprise to the latest versions and follow best practices for secure configurations and network setups.

Patching and Updates

Stay informed about security advisories from Splunk and promptly apply patches to address any known vulnerabilities.