CVE-2008-3602 in Php Ring Webring System
Summary
by MITRE
admin/wr_admin.php in PHP-Ring Webring System (aka uPHP_ring_website) 0.9.1 allows remote attackers to bypass authentication and gain administrative access by setting the admin cookie to 1.
If you want to get the best quality for vulnerability data then you always have to consider VulDB.
Analysis
by VulDB Data Team • 11/03/2024
The vulnerability described in CVE-2008-3602 represents a critical authentication bypass flaw within the PHP-Ring Webring System version 0.9.1, commonly known as uPHP_ring_website. This system facilitates the creation and management of webring networks, which are collections of websites linked together through navigation links. The vulnerability specifically targets the administrative interface located at admin/wr_admin.php, which serves as the control panel for managing the webring system's configuration and user accounts. The flaw manifests in the system's cookie-based authentication mechanism, where the administrative access control logic fails to properly validate the administrative status of users attempting to access restricted administrative functions.
The technical implementation of this vulnerability stems from a lack of proper input validation and authentication checks within the application's administrative subsystem. When an attacker manipulates the admin cookie value to 1, the system incorrectly interprets this as sufficient proof of administrative privileges, bypassing the normal authentication procedures that should verify user credentials and roles. This represents a classic case of insecure direct object reference vulnerability, where the application relies on client-side data to make critical security decisions without proper server-side validation. The flaw is particularly dangerous because it allows unauthenticated attackers to assume administrative roles and gain full control over the webring system's configuration, user management, and potentially access to underlying server resources.
The operational impact of this vulnerability extends beyond simple unauthorized access, as it provides attackers with complete administrative control over the affected webring system. An attacker could modify or delete user accounts, alter system configurations, manipulate webring links, and potentially use the compromised system as a platform for further attacks against other systems. This vulnerability directly aligns with attack patterns described in the MITRE ATT&CK framework under the T1078 technique for valid accounts and T1566 for credential harvesting, as it allows attackers to leverage compromised administrative access for persistent system control. The vulnerability also maps to CWE-287, which describes improper authentication issues, and CWE-352, which addresses cross-site request forgery vulnerabilities that can result in similar privilege escalation scenarios.
Organizations and system administrators should immediately address this vulnerability by implementing proper authentication controls, including server-side validation of administrative privileges, implementing secure cookie handling mechanisms, and ensuring that administrative access is properly restricted through robust authentication processes. The recommended mitigations include disabling direct cookie manipulation, implementing proper session management, and applying access controls that verify administrative status through server-side validation rather than client-supplied data. Additionally, regular security audits should be conducted to identify similar authentication bypass vulnerabilities, and the system should be updated to a newer version of the software that addresses this flaw. This vulnerability demonstrates the critical importance of proper input validation and authentication mechanisms in web applications, particularly those handling administrative functions, and serves as a reminder of the potential consequences when security controls are insufficiently implemented.