CVE-2024-56236 in Hestia Nginx Cache Plugin
Summary
by MITRE • 01/02/2025
Missing Authorization vulnerability in Jakob Bouchard Hestia Nginx Cache allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Hestia Nginx Cache: from n/a through 2.4.0.
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Analysis
by VulDB Data Team • 02/16/2025
The CVE-2024-56236 vulnerability represents a critical missing authorization flaw within the Jakob Bouchard Hestia Nginx Cache system, exposing organizations to potential security breaches through improperly configured access controls. This vulnerability specifically targets the cache management interface and configuration components that govern how access permissions are enforced within the system. The flaw manifests when administrative or sensitive cache operations can be performed without proper authentication or authorization checks, creating a pathway for unauthorized users to manipulate cache settings and potentially access restricted functionality.
The technical nature of this vulnerability aligns with CWE-285, which addresses improper authorization within software systems, and represents a fundamental breakdown in the principle of least privilege. When the Hestia Nginx Cache system fails to properly validate user credentials or roles before executing cache management functions, it creates an environment where malicious actors can bypass normal access controls. This misconfiguration affects all versions from the initial release through version 2.4.0, indicating that the vulnerability has persisted across multiple iterations without proper authorization enforcement mechanisms being implemented or maintained.
The operational impact of this vulnerability extends beyond simple unauthorized access, as it can enable attackers to manipulate cache configurations, potentially leading to cache poisoning attacks or denial of service conditions. An attacker exploiting this vulnerability could modify cache behavior, inject malicious content into cached responses, or disable critical caching functionality that impacts application performance and availability. The vulnerability particularly affects web applications that rely on Nginx caching for performance optimization, as compromised cache systems can lead to widespread service disruption or data integrity issues.
Security professionals should consider this vulnerability in the context of ATT&CK technique T1078 which covers valid accounts and privilege escalation. The missing authorization check essentially allows adversaries to operate with elevated privileges through misconfigured access controls rather than through traditional exploitation methods. Organizations should implement immediate mitigations including enforcing strict authentication requirements for all cache management interfaces, implementing role-based access controls, and conducting comprehensive access control reviews. Additionally, regular security audits of cache configurations and monitoring for unauthorized access attempts should be implemented to detect potential exploitation attempts. The vulnerability underscores the critical importance of proper access control implementation and the need for continuous security validation in web application infrastructure components.