CVE-2022-36734 in Library Management System
Summary
by MITRE • 08/31/2022
Library Management System v1.0 was discovered to contain a SQL injection vulnerability via the RollNo parameter at /admin/delstu.php.
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Analysis
by VulDB Data Team • 10/10/2022
The vulnerability identified as CVE-2022-36734 represents a critical security flaw in the Library Management System version 1.0, specifically targeting the administrative functionality of the application. This SQL injection vulnerability exists within the delstu.php script which is accessed through the administrative interface of the library management platform. The vulnerability is particularly concerning as it directly impacts the system's ability to securely handle student deletion operations, making it a prime target for malicious actors seeking to compromise the underlying database infrastructure.
The technical exploitation of this vulnerability occurs through the RollNo parameter which is processed without adequate input validation or sanitization measures. When an attacker submits malicious SQL code through this parameter, the application fails to properly escape or filter the input before incorporating it into database queries. This allows the attacker to manipulate the database query execution flow and potentially gain unauthorized access to sensitive student information, including personal details, academic records, and other confidential data stored within the system. The vulnerability specifically manifests as a classic SQL injection attack vector where user-controllable input directly influences the SQL command structure.
The operational impact of this vulnerability extends beyond simple data exposure, potentially enabling attackers to execute arbitrary database commands with the privileges of the database user account. This could result in complete database compromise, data exfiltration, modification of student records, or even the installation of backdoors within the system. Given that this vulnerability exists within the administrative component of the library management system, successful exploitation could provide attackers with elevated privileges and access to the broader system infrastructure. The vulnerability affects the integrity, confidentiality, and availability of the entire library management platform, potentially disrupting normal operations and causing significant data loss.
Security professionals should implement immediate mitigations including input validation and parameterized queries to prevent SQL injection attacks. The CWE-89 standard categorizes this vulnerability as a classic SQL injection flaw, while ATT&CK framework references this as a database attack pattern under the technique of "Querying the Database". Organizations should deploy web application firewalls to filter malicious SQL payloads, implement proper input sanitization mechanisms, and conduct thorough code reviews to identify similar vulnerabilities throughout the application codebase. Additionally, regular database access logging and monitoring should be enabled to detect potential exploitation attempts and maintain compliance with data protection regulations such as GDPR or HIPAA, depending on the nature of the student information stored within the system.