CVE-2022-36728 in Library Management System
Summary
by MITRE • 08/19/2022
Library Management System v1.0 was discovered to contain a SQL injection vulnerability via the RollNo parameter at /staff/delstu.php.
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Analysis
by VulDB Data Team • 08/19/2022
The vulnerability identified as CVE-2022-36728 represents a critical security flaw in the Library Management System version 1.0 that exposes the application to unauthorized data access through SQL injection techniques. This vulnerability specifically manifests through the RollNo parameter within the staff deletion functionality at the /staff/delstu.php endpoint, creating a pathway for malicious actors to manipulate database queries and potentially gain access to sensitive information. The flaw stems from inadequate input validation and sanitization practices within the application's backend processing logic, where user-supplied data is directly incorporated into SQL commands without proper escaping or parameterization measures.
The technical implementation of this vulnerability aligns with CWE-89, which categorizes SQL injection as a code injection technique that occurs when untrusted data is embedded into SQL queries without proper validation. Attackers can exploit this weakness by submitting malicious input through the RollNo parameter that alters the intended database query execution flow. This could enable unauthorized data retrieval, modification, or deletion of records within the library management database, potentially compromising student information, book records, and other sensitive institutional data. The vulnerability's impact extends beyond simple data theft as it may facilitate further exploitation attempts including privilege escalation and persistence mechanisms within the compromised system.
From an operational perspective, this vulnerability poses significant risks to the confidentiality, integrity, and availability of the library management system's data assets. The exposure of student records through SQL injection attacks could lead to privacy violations and regulatory compliance issues under data protection frameworks such as gdpr and ccpa. The attack surface is particularly concerning given that the vulnerability exists within a staff functionality endpoint, suggesting potential access to administrative controls that could be leveraged for more extensive system compromise. Security professionals should note that this vulnerability's exploitation requires minimal technical expertise, making it attractive to threat actors seeking quick gains in compromised environments.
Organizations utilizing this library management system should implement immediate mitigations including input validation and parameterized queries to prevent SQL injection exploitation. The recommended defense-in-depth strategies involve implementing proper input sanitization techniques, employing web application firewalls, and conducting comprehensive security testing of all user-input parameters. Additionally, following the principle of least privilege and implementing proper access controls around the /staff/delstu.php endpoint can limit the potential impact of successful exploitation attempts. Regular security assessments and vulnerability scanning should be conducted to identify similar injection vulnerabilities across the application's entire codebase, as this represents a common pattern that may exist in other endpoints or functionality areas. The remediation process should include thorough code review practices aligned with secure coding standards to prevent recurrence of such vulnerabilities in future development cycles.