CVE-2006-5905 in Web Directory Pro
Summary
by MITRE
Web Directory Pro allows remote attackers to (1) backup the database and obtain the backup via a direct request to admin/backup_db.php or (2) modify configuration via a direct request to admin/options.php.
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Analysis
by VulDB Data Team • 04/27/2026
The vulnerability identified as CVE-2006-5905 affects Web Directory Pro, a web-based directory management system that was widely used for organizing and managing online directories. This vulnerability represents a critical access control flaw that exposes administrative functions to unauthenticated remote attackers, fundamentally undermining the security posture of affected systems. The issue stems from insufficient authentication and authorization checks within the application's administrative interfaces, allowing malicious actors to directly access sensitive administrative endpoints without proper credentials or privileges.
The technical flaw manifests in two distinct attack vectors that exploit weak security controls within the application's administrative subsystem. The first vector involves direct access to the database backup functionality through the admin/backup_db.php endpoint, which allows remote attackers to obtain complete database backups containing sensitive information such as user credentials, directory entries, and system configurations. The second vector targets the administrative configuration modification capabilities via the admin/options.php endpoint, enabling attackers to alter system settings and potentially compromise the entire directory service. Both attack paths bypass normal authentication mechanisms and demonstrate a clear lack of proper access controls that should be enforced at the application level.
The operational impact of this vulnerability extends beyond immediate data compromise to encompass broader system integrity and availability concerns. Successful exploitation can result in complete database exposure, leading to credential theft, user data breaches, and potential system takeover. The ability to modify configuration settings creates opportunities for attackers to disable security features, redirect traffic, or establish persistent access points within the compromised environment. Organizations running affected versions of Web Directory Pro face significant risk of unauthorized access, data exfiltration, and potential lateral movement within their network infrastructure. This vulnerability particularly affects web applications that store sensitive user information in directory structures and highlights the critical importance of proper access control implementation in administrative interfaces.
Security mitigations for this vulnerability should focus on implementing robust authentication and authorization controls at all administrative endpoints. The most effective immediate solution involves adding proper authentication checks to prevent unauthorized access to admin/backup_db.php and admin/options.php. Organizations should implement role-based access controls that ensure only authenticated administrators can access sensitive administrative functions. Network segmentation and firewall rules can help limit access to administrative interfaces to trusted IP addresses only. Additionally, implementing proper input validation and output encoding can prevent potential secondary exploitation vectors. This vulnerability aligns with CWE-285, which addresses improper authorization issues, and maps to ATT&CK technique T1078 for valid accounts and T1005 for data from local systems, highlighting the need for comprehensive access control measures. Regular security audits and code reviews should be conducted to identify and remediate similar authorization flaws in other administrative interfaces throughout the organization's web applications.