CVE-2008-5125 in CCleague
Summary
by MITRE
admin.php in CCleague Pro 1.2 allows remote attackers to bypass authentication by setting the type cookie value to admin.
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Analysis
by VulDB Data Team • 10/29/2024
The vulnerability identified as CVE-2008-5125 represents a critical authentication bypass flaw in CCleague Pro 1.2, a web application designed for sports league management. This vulnerability resides within the admin.php file, which serves as the administrative interface for the application. The flaw stems from improper input validation and insecure authentication mechanisms that fail to properly verify user privileges before granting administrative access. The vulnerability is particularly concerning because it allows remote attackers to gain unauthorized administrative privileges without requiring valid credentials, effectively compromising the entire application's security posture.
The technical implementation of this vulnerability exploits a weak cookie-based authentication system where the application relies on a type cookie value to determine user permissions. When an attacker sets the type cookie value to "admin", the application incorrectly accepts this modification and grants full administrative privileges to the user. This represents a classic case of insecure direct object reference vulnerability where user input directly influences access control decisions. The flaw falls under CWE-285, which addresses improper authorization issues in software systems, and demonstrates how simple parameter manipulation can lead to complete system compromise. The vulnerability exists because the application does not properly validate or sanitize cookie values before using them to determine user roles, creating a path for privilege escalation through cookie manipulation.
The operational impact of this vulnerability is severe and far-reaching for any organization using CCleague Pro 1.2. Remote attackers can exploit this flaw from anywhere on the internet without requiring physical access or valid user credentials, making it particularly dangerous for web-hosted applications. Once authenticated as an administrator, attackers can perform any administrative function including modifying league data, adding or removing users, changing application settings, and potentially accessing sensitive user information. This vulnerability directly violates the principle of least privilege and allows for complete system compromise. The attack vector is particularly concerning because it requires no complex exploitation techniques beyond simple cookie manipulation, making it accessible to attackers with minimal technical expertise. Organizations may experience data breaches, unauthorized modifications to league information, and potential service disruption due to the unauthorized administrative access.
Mitigation strategies for this vulnerability should focus on implementing proper authentication and authorization controls within the application. The most effective approach involves validating all user inputs, particularly cookie values, through server-side validation mechanisms that ensure only legitimate administrative users can access administrative functions. Implementing proper session management with secure cookie attributes including HttpOnly and Secure flags can help prevent cookie manipulation attacks. The application should enforce strict access control checks that verify user credentials and roles before granting administrative privileges, rather than relying on client-side cookie values. Organizations should also implement proper input sanitization and validation routines to prevent unauthorized modification of authentication parameters. Additionally, regular security audits and penetration testing should be conducted to identify similar vulnerabilities in the application's authentication mechanisms. This vulnerability highlights the importance of following secure coding practices and implementing defense-in-depth strategies that include multiple layers of authentication verification. The fix should involve modifying the admin.php script to validate user credentials through proper authentication mechanisms rather than trusting cookie values, ensuring that administrative access is granted only through legitimate authentication processes that comply with security standards and best practices.