CVE-2002-0961 in CBMS
Summary
by MITRE
Vulnerabilities in Voxel Dot Net CBMS 0.7 and earlier allow remote attackers to conduct unauthorized operations as other users, e.g. by deleting clients via dltclnt.php, possibly in a SQL injection attack.
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Analysis
by VulDB Data Team • 02/01/2025
The vulnerability identified as CVE-2002-0961 affects Voxel Dot Net CBMS version 0.7 and earlier, representing a critical security flaw that enables remote attackers to execute unauthorized operations within the system. This vulnerability specifically targets the client deletion functionality through the dltclnt.php script, which serves as an entry point for malicious actors to manipulate the system's user permissions and execute operations on behalf of other users. The flaw demonstrates a classic lack of proper input validation and authentication checks within the web application's user management interface.
The technical implementation of this vulnerability stems from insufficient sanitization of user inputs passed to the database layer through the dltclnt.php endpoint. Attackers can exploit this weakness by crafting malicious SQL queries that bypass authentication mechanisms and gain elevated privileges within the system. This allows unauthorized individuals to perform operations such as client deletion, user account manipulation, and potentially access sensitive data that should be restricted to authorized personnel only. The vulnerability operates at the application level, making it particularly dangerous as it can be exploited through standard web browser interfaces without requiring special tools or deep system knowledge.
The operational impact of CVE-2002-0961 extends beyond simple unauthorized access, as it creates a persistent security risk that can lead to complete system compromise. Remote attackers can leverage this vulnerability to conduct reconnaissance activities, escalate privileges, and potentially establish backdoors within the network. The ability to delete clients through the dltclnt.php script indicates a broader issue with privilege separation and access control mechanisms, potentially allowing attackers to modify or destroy critical business data. This vulnerability aligns with CWE-89 which identifies SQL injection flaws as a primary concern for web application security, and can be categorized under ATT&CK technique T1078 for valid accounts and T1046 for network service scanning.
Mitigation strategies for this vulnerability require immediate implementation of proper input validation and parameterized queries to prevent SQL injection attacks. System administrators should ensure that all user inputs are properly sanitized and that the application implements robust authentication and authorization checks before executing any privileged operations. The affected system must be updated to a patched version of Voxel Dot Net CBMS that addresses the input validation shortcomings and implements proper access controls. Additional protective measures include implementing web application firewalls, conducting regular security audits, and establishing monitoring protocols to detect unauthorized access attempts. The vulnerability demonstrates the critical importance of secure coding practices and proper database access controls, particularly in applications handling sensitive client information and user management functions.