Spring Boot Actuator Information Disclosure: Analysis, POC, and Hardening Guide

Vulnerability Summary: Spring Boot Actuator Information Disclosure Vulnerability Overview Vulnerability Name: Spring Boot Actuator Information Disclosure Vulnerability Type: Information Disclosure Affected Component: Spring Boot Actuator Vulnerability Description: - This vulnerability allows attackers to access sensitive information by querying Spring Boot Actuator endpoints (such as , , etc.), including environment variables, configuration parameters, and database connection strings. - Attackers can leverage this information to launch further attacks, such as SQL injection or privilege escalation. Scope of Impact Affected Versions: - Spring Boot 2.x and 3.x versions (specific versions must be confirmed via official announcements) Affected Environments: - All applications with Spring Boot Actuator enabled - Particularly those with improperly configured Actuator endpoint access controls Remediation Official Fix: - Upgrade to the latest version of Spring Boot (recommended to upgrade to the latest 2.7.x or 3.x version) - If immediate upgrade is not possible, restrict access to Actuator endpoints via configuration Configuration Recommendations: - Disable unnecessary Actuator endpoints in or - Use Spring Security to configure access control for Actuator endpoints - Example configuration: - Ensure sensitive endpoints are not exposed in production environments POC Code Exploit Code Important Notes Ensure you have obtained proper authorization before conducting any testing or remediation activities. Regularly update Spring Boot versions to obtain the latest security patches. Strictly restrict access to Actuator endpoints in production environments.

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Spring Boot Actuator Information Disclosure: Analysis, POC, and Hardening Guide

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