CVE-2024-8765 in lunary
Summary
by MITRE • 03/20/2025
In lunary-ai/lunary, the privilege check mechanism is flawed in version git afc5df4. The system incorrectly identifies certain endpoints as public if the path contains '/auth/' anywhere within it. This allows unauthenticated attackers to access sensitive endpoints by including '/auth/' in the path. As a result, attackers can obtain and modify sensitive data and utilize other organizations' resources without proper authentication.
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Analysis
by VulDB Data Team • 03/20/2025
The vulnerability identified as CVE-2024-8765 affects the lunary-ai/lunary application, specifically targeting its privilege check mechanism within the git version afc5df4. This flaw represents a critical authorization bypass vulnerability that fundamentally undermines the application's security model. The system's path-based authentication logic contains a logical error where it incorrectly classifies endpoints as public when the string '/auth/' appears anywhere within the request path, regardless of the actual endpoint's security requirements. This misconfiguration creates a dangerous condition where legitimate authentication checks are circumvented through simple path manipulation, allowing unauthorized access to protected resources.
The technical implementation of this vulnerability stems from a flawed path validation algorithm that performs substring matching rather than proper endpoint-specific authorization checks. When an attacker crafts a request with '/auth/' anywhere in the URL path, the system's flawed logic incorrectly assumes the endpoint should be publicly accessible, bypassing all authentication mechanisms. This approach violates fundamental security principles and demonstrates a lack of proper access control implementation. The vulnerability aligns with CWE-285, which addresses improper authorization issues, and specifically manifests as an authorization bypass through path manipulation. From an operational perspective, this flaw enables attackers to perform unauthorized data access and modification operations, potentially leading to data breaches and resource abuse.
The impact of this vulnerability extends beyond simple unauthorized access, as it allows attackers to leverage the application's resources without proper authentication, potentially causing significant damage to the organization's data integrity and availability. Attackers can exploit this weakness to access sensitive organizational data, modify critical information, and utilize computational resources that should be restricted to authorized users only. The vulnerability's exploitation requires minimal technical skill, making it particularly dangerous as it can be leveraged by attackers with basic knowledge of web application behavior. This flaw directly contradicts the principle of least privilege and demonstrates poor security design practices in the application's access control implementation.
Organizations utilizing this software should implement immediate mitigations including patching the identified vulnerability in the affected git version, implementing proper endpoint-specific authorization checks, and conducting comprehensive security reviews of all path-based access control mechanisms. The fix should involve replacing the flawed substring matching logic with proper endpoint classification and authorization verification processes. Additionally, security teams should perform thorough testing of all authentication and authorization flows to ensure no similar path manipulation vulnerabilities exist. This vulnerability highlights the importance of following established security frameworks such as the OWASP Top Ten and adhering to proper access control implementation practices. Organizations should also consider implementing additional security controls including request monitoring, anomaly detection, and comprehensive logging of access attempts to identify potential exploitation attempts. The remediation process should include code reviews focused on authorization logic and implementation of proper input validation to prevent similar issues in future development cycles.