CVE-2007-4119 in Defteri
Summary
by MITRE
Multiple SQL injection vulnerabilities in yonetici.asp in Berthanas Ziyaretci Defteri 2.0 allow remote attackers to execute arbitrary SQL commands via the (1) user and (2) Pass fields.
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Analysis
by VulDB Data Team • 07/07/2024
The vulnerability identified as CVE-2007-4119 represents a critical SQL injection flaw within the Berthanas Ziyaretci Defteri 2.0 web application, specifically affecting the yonetici.asp administrative interface. This vulnerability resides in the authentication mechanism where user credentials are processed without proper input validation or sanitization, creating an exploitable entry point for malicious actors. The flaw manifests in two distinct attack vectors corresponding to the user and Pass fields, which are commonly used for administrative login purposes. According to CWE-89, this vulnerability maps directly to SQL injection weaknesses that occur when untrusted data is incorporated into SQL query construction without adequate escaping or parameterization, making it a classic example of improper input handling in database interactions.
The technical exploitation of this vulnerability enables remote attackers to manipulate the underlying database queries through crafted input in the authentication fields. When an attacker submits malicious SQL payload through the user or Pass parameters, the application fails to properly sanitize these inputs before incorporating them into database queries. This allows the attacker to inject arbitrary SQL commands that execute with the privileges of the database user account. The impact extends beyond simple data theft as attackers can potentially escalate privileges, modify database contents, or even gain unauthorized access to sensitive visitor registry information that the application is designed to protect. The vulnerability affects the application's authentication layer, which is fundamental to maintaining system integrity and access control, making it particularly dangerous for administrative interfaces.
The operational impact of this vulnerability is severe as it compromises the core security mechanisms of the visitor registry system. Attackers can exploit this weakness to bypass authentication entirely, gain unauthorized administrative access, or perform data manipulation attacks against the underlying database. The vulnerability affects the confidentiality, integrity, and availability of the system by potentially allowing data exfiltration, modification of visitor records, or complete system compromise. Organizations relying on this application for visitor management would face significant security risks including unauthorized access to sensitive personal information, potential data breaches, and loss of system trust. This vulnerability represents a critical weakness in the application's security architecture and demonstrates poor secure coding practices in input validation and database query construction.
Mitigation strategies for this vulnerability should focus on implementing proper input validation and parameterized queries to prevent SQL injection attacks. The recommended approach involves converting all database queries to use parameterized statements or prepared statements that separate SQL code from data, thereby eliminating the risk of code injection. Input sanitization should be implemented at multiple layers including application-level validation and database-level filtering to ensure that malicious payloads are properly detected and neutralized. Additionally, implementing proper access controls and authentication mechanisms, including account lockout policies and secure password handling, can help reduce the attack surface. Organizations should also conduct regular security assessments and penetration testing to identify similar vulnerabilities in legacy applications. According to ATT&CK framework, this vulnerability aligns with technique T1190 for exploiting vulnerabilities in web applications and T1078 for valid accounts, highlighting the need for comprehensive security controls that address both application-level weaknesses and access management. Regular patching and updating of legacy systems should be prioritized, with immediate remediation of this vulnerability through code modification and database query restructuring to prevent exploitation by unauthorized parties.