CVE-2007-0332 in Liens Dynamiques
Summary
by MITRE
(1) admin/adminlien.php3 and (2) admin/modif.php3 in liens_dynamiques 2.1 do not require authentication, which allows remote attackers to perform unauthorized administrative actions using a direct request.
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Analysis
by VulDB Data Team • 08/08/2017
The vulnerability identified as CVE-2007-0332 affects the liens_dynamiques 2.1 web application, specifically targeting two administrative script files that fail to implement proper authentication mechanisms. This critical security flaw exists in the admin/adminlien.php3 and admin/modif.php3 components of the application, creating a direct pathway for unauthorized remote attackers to execute administrative functions without proper authorization. The vulnerability stems from the absence of authentication checks within these administrative interfaces, allowing malicious actors to bypass normal access controls through direct HTTP requests to the vulnerable endpoints. This weakness represents a fundamental failure in the application's security architecture, as it eliminates the basic requirement for user authentication before granting access to administrative functions.
The technical implementation of this vulnerability demonstrates a classic authentication bypass flaw that can be categorized under CWE-287, which addresses improper handling of authentication. Attackers can exploit this issue by directly accessing the vulnerable URLs without needing valid credentials or session tokens, effectively granting them full administrative privileges within the application. The nature of the flaw suggests that the application's security model relies on implicit trust rather than explicit authentication verification, creating a dangerous attack surface where any remote user can manipulate the application's administrative functions. This vulnerability directly violates the principle of least privilege and fails to implement proper access control mechanisms that should be enforced before allowing administrative operations to proceed.
The operational impact of this vulnerability extends beyond simple unauthorized access, as it allows attackers to perform a wide range of administrative actions including but not limited to modifying content, altering user permissions, accessing sensitive data, and potentially compromising the entire application infrastructure. Remote attackers can leverage this vulnerability to gain complete control over the affected web application, making it a high-severity issue that requires immediate remediation. The attack vector is particularly concerning because it requires no sophisticated techniques or prerequisites beyond basic web browsing capabilities, making it accessible to attackers with minimal technical expertise. This vulnerability also creates potential for data breaches, content manipulation, and service disruption that can significantly impact the organization's operations and reputation.
Mitigation strategies for CVE-2007-0332 must focus on implementing robust authentication mechanisms within the affected administrative scripts. The primary remediation involves adding proper authentication checks to both admin/adminlien.php3 and admin/modif.php3 files to ensure that only authorized administrative users can access these functions. Security measures should include session validation, user credential verification, and role-based access controls that enforce proper authorization before executing administrative operations. Organizations should also implement input validation and output encoding to prevent potential secondary vulnerabilities that might arise from the exploitation of this primary flaw. Additionally, regular security audits and penetration testing should be conducted to identify similar authentication bypass vulnerabilities within the application and its dependencies, aligning with the security best practices outlined in the OWASP Top Ten and NIST cybersecurity frameworks. The implementation of these controls directly addresses the underlying CWE-287 classification and helps prevent the exploitation patterns associated with the attack techniques documented in the MITRE ATT&CK framework for privilege escalation and credential access.