CVE-2024-42571 in School Management System
Summary
by MITRE • 08/20/2024
School Management System commit bae5aa was discovered to contain a SQL injection vulnerability via the medium parameter at insertattendance.php.
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Analysis
by VulDB Data Team • 08/21/2024
The School Management System version commit bae5aa contains a critical SQL injection vulnerability that presents significant security risks to educational institutions relying on this platform for attendance tracking and student management. This vulnerability specifically affects the insertattendance.php script where user input is improperly handled, creating an avenue for malicious actors to execute arbitrary SQL commands against the underlying database. The medium parameter within this script serves as the primary attack vector, indicating that the system fails to properly sanitize or validate input data before incorporating it into database queries. This flaw represents a fundamental breakdown in the application's security architecture and demonstrates poor input validation practices that have been identified as a persistent issue in web application development. The vulnerability directly aligns with CWE-89 which defines SQL injection as the insertion of malicious SQL code into input fields, and it maps to ATT&CK technique T1190 which describes the exploitation of vulnerabilities in web applications. The impact of this vulnerability extends beyond simple data theft as it could enable attackers to manipulate attendance records, access sensitive student information, modify user credentials, or potentially escalate privileges within the system.
The technical exploitation of this SQL injection vulnerability occurs when an attacker crafts malicious input for the medium parameter that gets directly embedded into SQL queries without proper sanitization or parameterization. This allows for the execution of unauthorized database operations including but not limited to data extraction, modification, or deletion. The vulnerability's presence in the attendance management functionality suggests that attackers could manipulate student records, create false attendance entries, or even gain access to administrative accounts through database manipulation techniques. The nature of this flaw indicates that the application likely uses dynamic query construction methods instead of prepared statements or parameterized queries, which is a common pattern in legacy or improperly maintained web applications. Attackers could leverage this vulnerability to bypass authentication mechanisms, escalate privileges, or perform data integrity attacks that compromise the entire school management ecosystem.
The operational impact of this vulnerability poses severe consequences for educational institutions, particularly regarding data privacy and regulatory compliance with standards such as FERPA in the United States or GDPR in European jurisdictions. Schools managing sensitive student data through this system face potential exposure of personal information, academic records, and behavioral data that could be exploited for identity theft or other malicious purposes. The compromise of attendance records specifically affects the integrity of academic tracking systems and could undermine the credibility of educational reporting mechanisms. Furthermore, the vulnerability creates potential for denial of service scenarios where attackers could corrupt database structures or consume excessive system resources through malicious SQL commands. Organizations may face legal implications, regulatory penalties, and reputational damage if this vulnerability is exploited, as it represents a failure to maintain basic security hygiene in applications handling sensitive educational data.
Mitigation strategies for this vulnerability require immediate implementation of input validation and parameterized query approaches to prevent SQL injection attacks. The primary remediation involves updating the insertattendance.php script to utilize prepared statements or parameterized queries that separate SQL code from user input data. Organizations should implement comprehensive input sanitization measures including character encoding, length validation, and whitelist-based input filtering to prevent malicious payloads from reaching database systems. Network-level protections such as web application firewalls and intrusion detection systems can provide additional defense-in-depth measures to detect and block exploitation attempts. Regular security assessments and code reviews should be conducted to identify similar vulnerabilities across the entire school management system codebase. The implementation of proper access controls and privilege separation ensures that even if exploitation occurs, the scope of damage remains limited. Organizations should also establish incident response procedures and conduct regular security training for staff members who interact with the system to ensure awareness of potential threats and proper handling of sensitive data.