CVE-2022-4052 in Student Attendance Management System
Summary
by MITRE • 11/17/2022
A vulnerability was found in Student Attendance Management System and classified as critical. This issue affects some unknown processing of the file /Admin/createClass.php. The manipulation of the argument Id leads to sql injection. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used. The identifier VDB-213845 was assigned to this vulnerability.
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Analysis
by VulDB Data Team • 12/19/2022
The Student Attendance Management System represents a web-based application designed to handle educational institution attendance tracking and administrative functions. This particular vulnerability resides within the administrative component of the system, specifically within the /Admin/createClass.php file which serves as a critical interface for creating and managing class records. The application's architecture appears to process user inputs through this endpoint without adequate sanitization or validation, creating a dangerous attack surface that has been actively exploited by threat actors. The vulnerability's classification as critical indicates severe implications for system integrity and data confidentiality, particularly given that the attack vector is remote and the exploit is publicly available.
The technical flaw manifests as a SQL injection vulnerability that occurs when the application processes the Id argument parameter within the createClass.php file. This represents a classic input validation failure where the system directly incorporates user-supplied data into database queries without proper parameterization or sanitization. The vulnerability stems from the application's failure to implement proper input filtering mechanisms, allowing malicious actors to inject arbitrary SQL commands through the Id parameter. The attack vector being remote means that an attacker can exploit this vulnerability from any location without requiring physical access to the system, making it particularly dangerous in networked environments.
The operational impact of this vulnerability extends beyond simple data theft, encompassing complete system compromise and unauthorized administrative access. Attackers can leverage the SQL injection to extract sensitive information including student records, personal identification details, and administrative credentials stored within the database. The remote exploit capability means that threat actors can target multiple installations simultaneously without detection, potentially affecting numerous educational institutions across different geographical locations. This vulnerability directly violates security principles outlined in the OWASP Top Ten and aligns with CWE-89, which specifically addresses SQL injection flaws in application code. The public disclosure of the exploit (VDB-213845) indicates that the vulnerability has been actively weaponized, eliminating any window of opportunity for organizations to remain unaware of the threat.
Organizations utilizing this system must implement immediate remediation measures to address the SQL injection vulnerability. The primary mitigation strategy involves implementing proper parameterized queries or prepared statements when processing the Id argument within the createClass.php file, which directly addresses the underlying CWE-89 weakness. Additionally, comprehensive input validation should be implemented to sanitize all user-supplied data before processing, following established security frameworks such as the NIST Cybersecurity Framework. Network-level protections including web application firewalls and intrusion detection systems should be deployed to monitor and block malicious SQL injection attempts. Regular security assessments and penetration testing should be conducted to identify similar vulnerabilities within the application's codebase, while also implementing proper access controls and least privilege principles to minimize potential damage from successful exploitation attempts. The vulnerability's critical classification necessitates immediate attention and remediation to prevent unauthorized access to sensitive educational data.