CVE-2024-42574 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 attendance.php.
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Analysis
by VulDB Data Team • 08/22/2024
The School Management System version containing commit bae5aa presents a critical SQL injection vulnerability that compromises the integrity and confidentiality of educational institutional data. This vulnerability specifically affects the attendance.php script where the medium parameter is processed without adequate input validation or sanitization, creating an exploitable entry point for malicious actors to manipulate database queries. The flaw enables unauthorized users to execute arbitrary SQL commands against the underlying database system, potentially leading to data breaches, unauthorized access, and system compromise. This vulnerability falls under the category of CWE-89 SQL Injection as defined by the Common Weakness Enumeration catalog, which classifies it as a persistent and severe security weakness that allows attackers to manipulate database operations through crafted input.
The technical implementation of this vulnerability occurs when user-supplied input from the medium parameter is directly incorporated into SQL query construction without proper parameterization or input filtering mechanisms. Attackers can exploit this by injecting malicious SQL payloads through the attendance.php endpoint, potentially gaining access to sensitive student records, attendance logs, user credentials, and other institutional data. The attack vector operates through standard SQL injection techniques where malicious input characters such as single quotes, semicolons, or union select statements can be used to bypass authentication, extract data, or modify database contents. This vulnerability aligns with ATT&CK technique T1071.004 Application Layer Protocol: DNS, where attackers may utilize database protocols to establish command and control channels or exfiltrate data. The exploitation process typically involves crafting malicious payloads that manipulate the SQL query structure to achieve unauthorized database access, potentially allowing attackers to escalate privileges or perform data manipulation operations.
The operational impact of this vulnerability extends beyond immediate data compromise to encompass potential system-wide security degradation and regulatory compliance violations. Educational institutions utilizing this software face significant risks including student privacy breaches, unauthorized access to academic records, and potential disruption of critical administrative functions. The vulnerability may enable attackers to modify attendance records, manipulate user accounts, or extract sensitive information that could be used for further attacks or identity theft. Organizations may face legal consequences under data protection regulations such as GDPR, FERPA, or similar privacy laws depending on their jurisdiction. The attack surface is particularly concerning for schools and educational management systems that handle sensitive personal information of students, parents, and staff members, making this vulnerability a high-priority security concern for educational institutions worldwide. The vulnerability's impact is amplified by the fact that it affects core administrative functions such as attendance tracking, which are essential for daily operational continuity and academic record maintenance.
Mitigation strategies should prioritize immediate patching and input validation implementation to address the root cause of this vulnerability. Organizations must implement proper parameterized queries or prepared statements to prevent SQL injection attacks, ensuring that all user inputs are properly escaped or validated before database processing. The recommended defense-in-depth approach includes input sanitization, output encoding, and least privilege access controls for database connections. Security measures should also encompass regular security audits, web application firewalls, and intrusion detection systems to monitor for exploitation attempts. Additionally, implementing proper access controls and authentication mechanisms can limit the potential impact of successful exploitation attempts. Organizations should conduct comprehensive vulnerability assessments and penetration testing to identify similar vulnerabilities across their entire software ecosystem. The remediation process must include thorough code review and security testing practices to prevent similar issues in future development cycles, aligning with security best practices outlined in NIST SP 800-53 and ISO 27001 frameworks. Regular security training for development teams and implementation of secure coding practices are essential for preventing such vulnerabilities from reoccurring in future software releases.