CVE-2023-37263 in Strapi
Summary
by MITRE • 09/15/2023
Strapi is the an open-source headless content management system. Prior to version 4.12.1, field level permissions are not respected in the relationship title. If an actor has relationship title and the relationship shows a field they don't have permission to see, the field will still be visible. Version 4.12.1 has a fix for this issue.
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Analysis
by VulDB Data Team • 09/25/2024
The vulnerability identified as CVE-2023-37263 affects Strapi, an open-source headless content management system widely used for building and managing digital content. This security flaw resides in the field level permissions implementation within relationship title functionality, representing a significant authorization bypass issue that undermines the system's access control mechanisms. The vulnerability specifically impacts versions prior to 4.12.1, where the permission enforcement logic fails to properly validate user access rights when displaying relationship titles. This represents a critical weakness in the application's security architecture that could allow unauthorized information disclosure.
The technical flaw manifests when users with relationship title permissions attempt to view content that contains relationships to fields they should not have access to based on their role-based permissions. The system incorrectly displays fields that should be restricted from view, effectively bypassing the field level permission controls that are fundamental to maintaining data integrity and access segregation. This behavior violates core security principles and creates a scenario where sensitive data can be exposed to users who should not have visibility into specific fields. The vulnerability operates at the application logic level, specifically within the relationship handling components of Strapi's permission system, and can be classified under CWE-284 Access Control Bypass.
The operational impact of this vulnerability is substantial as it allows attackers to potentially access restricted content through relationship title displays, effectively undermining the entire permission model that Strapi implements. An attacker with relationship title access could exploit this flaw to discover and potentially manipulate data that should remain hidden due to insufficient permissions. This could lead to unauthorized data exposure, information leakage, and potentially facilitate further attacks by providing insights into the system's data structure and access controls. The vulnerability particularly affects organizations that rely on Strapi for managing sensitive content where role-based access control is essential.
Organizations using Strapi versions prior to 4.12.1 should immediately upgrade to the patched version to resolve this security issue. The fix implemented in version 4.12.1 properly enforces field level permissions during relationship title processing, ensuring that users can only view fields they have explicit permission to access. Additional mitigations include conducting thorough permission audits, implementing network segmentation, and monitoring for unauthorized access attempts. Security teams should also review their content management workflows to ensure that relationship configurations properly enforce access controls and consider implementing additional logging mechanisms to detect potential exploitation attempts. This vulnerability aligns with ATT&CK technique T1078 Valid Accounts, as it exploits legitimate user permissions to gain access to restricted information through flawed authorization enforcement.