CVE-2008-4743 in FAQ Management Script
Summary
by MITRE
SQL injection vulnerability in index.php in QuidaScript FAQ Management Script allows remote attackers to execute arbitrary SQL commands via the catid parameter.
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Analysis
by VulDB Data Team • 06/23/2025
The CVE-2008-4743 vulnerability represents a critical sql injection flaw within the quidascript faq management script that exposes remote attackers to potential system compromise. This vulnerability specifically affects the index.php file and operates through the catid parameter, which serves as an entry point for malicious sql command execution. The flaw demonstrates a classic lack of proper input validation and sanitization that has been documented across numerous security frameworks including cwe-89 which categorizes sql injection as a fundamental weakness in application input handling. The vulnerability enables attackers to manipulate database queries by injecting malicious sql code through the catid parameter, potentially allowing full database access and manipulation capabilities.
The technical exploitation of this vulnerability occurs when the application fails to properly sanitize user input passed through the catid parameter in the index.php script. When an attacker submits malicious sql payload through this parameter, the application incorporates the unsanitized input directly into sql queries without proper escaping or parameterization. This creates a condition where attacker-controlled data becomes part of the sql execution context, allowing for arbitrary sql command execution. The vulnerability aligns with attack techniques described in the mitre attack framework under initial access and execution phases where adversaries leverage application vulnerabilities to gain unauthorized database access. The flaw particularly impacts web applications following the common weakness patterns identified in cwe-20 which addresses improper input validation in web applications.
The operational impact of CVE-2008-4743 extends beyond simple data theft to encompass complete system compromise and data destruction capabilities. Successful exploitation allows attackers to extract sensitive information from the database, modify existing records, create new database entries, and potentially escalate privileges within the application environment. The vulnerability affects the confidentiality, integrity, and availability of the faq management system, as attackers could delete entire faq categories or manipulate content to spread misinformation. Organizations using quidascript may face regulatory compliance issues if sensitive data is compromised, particularly in environments where personal information or business-critical data is stored within the affected database. The vulnerability also presents a risk for lateral movement within network environments as attackers could use the compromised database as a foothold to access other systems.
Mitigation strategies for CVE-2008-4743 should prioritize immediate implementation of proper input validation and parameterized queries to prevent sql injection attacks. Organizations should implement proper input sanitization techniques including input length validation, character set filtering, and proper sql escaping mechanisms to prevent malicious data from being processed as sql commands. The application should be updated to use prepared statements or parameterized queries for all database interactions, eliminating the possibility of sql injection through user-controllable parameters. Security patches should be applied immediately to address the vulnerability, and comprehensive code review should be conducted to identify similar input validation flaws within the application. Network segmentation and database access controls should be implemented to limit the potential damage from successful exploitation, while regular security testing including sql injection vulnerability scanning should be performed to detect similar weaknesses in the application infrastructure.