CVE-2024-42573 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 dtmarks.php.
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Analysis
by VulDB Data Team • 06/15/2025
The School Management System version commit bae5aa contains a critical SQL injection vulnerability that poses significant security risks to educational institutions relying on this platform. This vulnerability specifically affects the dtmarks.php script where user input is improperly handled, creating an exploitable entry point for malicious actors to manipulate database queries. The medium parameter serves as the primary attack vector, indicating that the application fails to properly sanitize or validate input data before incorporating it into SQL commands. This flaw represents a fundamental breakdown in the application's data handling practices and demonstrates poor secure coding principles that have been widely documented as a leading cause of database compromise incidents.
The technical exploitation of this vulnerability follows standard SQL injection attack patterns where an attacker can manipulate the medium parameter to inject malicious SQL code into the backend database. When the application processes this parameter without proper input validation or parameterized queries, it allows attackers to execute arbitrary SQL commands, potentially gaining unauthorized access to sensitive student information, academic records, administrative data, and user credentials. The vulnerability falls under CWE-89 which specifically addresses SQL injection flaws in software applications, making it a well-documented and dangerous security weakness that has been extensively studied in cybersecurity literature. This particular implementation flaw enables attackers to bypass authentication mechanisms, extract confidential data, modify database contents, or even escalate privileges within the system.
The operational impact of this vulnerability extends beyond simple data theft, as it can lead to complete system compromise and unauthorized access to critical educational infrastructure. Educational institutions using this software face potential regulatory violations under data protection laws such as GDPR, FERPA, or local privacy regulations, depending on their jurisdiction. The attack surface includes not only student academic records but also personal information, staff details, and institutional data that could be used for identity theft, financial fraud, or targeted attacks against the organization. Additionally, successful exploitation could result in system downtime, data corruption, and reputational damage that may take considerable time and resources to repair. The vulnerability's presence in a school management system particularly concerning as it affects educational environments where sensitive data protection is paramount.
Mitigation strategies for this vulnerability must be implemented immediately through multiple defensive layers. The primary remediation involves implementing proper parameterized queries or prepared statements when handling database interactions, ensuring that all user inputs are properly escaped or validated before database processing. The application code should be updated to sanitize all input parameters, particularly those used in database queries, and implement input validation that rejects potentially malicious content. Security patches should be deployed immediately to address the specific SQL injection flaw in the dtmarks.php script, and organizations should conduct thorough code reviews to identify similar vulnerabilities throughout the application. Network-level protections such as web application firewalls and intrusion detection systems should be configured to monitor for SQL injection attack patterns, while regular security assessments and penetration testing should be performed to validate the effectiveness of implemented controls. Organizations should also establish incident response procedures specifically designed to handle database compromise scenarios, ensuring that any exploitation attempts are detected and contained promptly. The remediation process must align with industry best practices and security frameworks such as those outlined in the OWASP Top Ten and NIST cybersecurity guidelines, ensuring comprehensive protection against similar vulnerabilities in the future.