CVE-2022-36712 in Library Management System
Summary
by MITRE • 08/30/2022
Library Management System v1.0 was discovered to contain a SQL injection vulnerability via the id parameter at /staff/studentdetails.php.
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Analysis
by VulDB Data Team • 10/09/2022
The vulnerability identified as CVE-2022-36712 represents a critical security flaw in the Library Management System version 1.0, specifically affecting the staff module's student details functionality. This SQL injection vulnerability exists within the web application's parameter handling mechanism, where the id parameter in the URL path /staff/studentdetails.php fails to properly validate or sanitize user input before incorporating it into database queries. The flaw allows an attacker to manipulate the database query structure through malicious input, potentially enabling unauthorized data access, modification, or deletion. Such vulnerabilities typically arise from inadequate input validation and improper query construction practices within the application's backend code.
The technical exploitation of this vulnerability follows standard SQL injection attack patterns where an attacker can inject malicious SQL code through the id parameter to manipulate the database operations. When the application processes the id parameter without proper sanitization, it becomes susceptible to various attack vectors including union-based queries, time-based blind SQL injection, or error-based exploitation techniques. The vulnerability directly maps to CWE-89, which categorizes improper neutralization of special elements used in SQL commands as a weakness in software design and implementation. This weakness falls under the broader category of injection flaws that consistently rank among the top cybersecurity threats according to OWASP Top Ten and NIST cybersecurity frameworks.
The operational impact of this vulnerability extends beyond simple data exposure, potentially allowing attackers to escalate privileges within the system and access sensitive student information including personal details, academic records, and institutional data. The attack surface is particularly concerning for educational institutions as it could lead to privacy breaches, identity theft, and compliance violations under data protection regulations such as GDPR or FERPA. Successful exploitation could result in complete database compromise, enabling attackers to extract all student records, modify existing entries, or even delete critical information. This vulnerability also provides a potential foothold for further attacks within the network infrastructure, as compromised database credentials might be used to access other interconnected systems.
Mitigation strategies for CVE-2022-36712 should prioritize immediate implementation of parameterized queries or prepared statements to prevent SQL injection attacks by separating SQL code from user input. The application code must be updated to validate and sanitize all input parameters, particularly those used in database queries, with strict type checking and length limitations. Input validation should be implemented at multiple layers including client-side and server-side controls, with proper error handling that does not reveal database structure information to users. Organizations should also implement web application firewalls to detect and block suspicious SQL injection patterns, conduct regular security code reviews, and establish proper access controls and audit logging for database operations. The remediation aligns with ATT&CK technique T1190, which covers exploitation of vulnerabilities in web applications, and emphasizes the importance of secure coding practices as outlined in the OWASP Secure Coding Practices. Regular vulnerability assessments and penetration testing should be conducted to identify similar weaknesses in the system architecture and ensure comprehensive protection against evolving attack vectors.