CVE-2022-36716 in Library Management System
Summary
by MITRE • 08/26/2022
Library Management System v1.0 was discovered to contain a SQL injection vulnerability via the id parameter at /admin/changestock.php.
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Analysis
by VulDB Data Team • 10/01/2022
The vulnerability identified as CVE-2022-36716 represents a critical SQL injection flaw within the Library Management System version 1.0, specifically manifesting through the id parameter in the administrative endpoint /admin/changestock.php. This weakness exposes the system to unauthorized data access and potential system compromise through malicious SQL commands executed against the underlying database infrastructure. The vulnerability stems from insufficient input validation and sanitization practices within the application's parameter handling mechanisms, allowing attackers to manipulate database queries through crafted input values.
This SQL injection vulnerability operates at the application layer and directly impacts the database backend through the id parameter, which is processed without proper sanitization or parameterization. The flaw enables attackers to inject malicious SQL code that can be executed with the privileges of the database user account associated with the application's database connection. According to CWE classification, this represents a CWE-89: Improper Neutralization of Special Elements used in an SQL Command, which is a well-documented and highly dangerous vulnerability pattern that allows for unauthorized database access, data manipulation, and potential privilege escalation.
The operational impact of this vulnerability extends beyond simple data theft to encompass full database compromise, including potential data exfiltration, unauthorized user account creation, and system privilege escalation. Attackers could exploit this weakness to retrieve sensitive library patron information, administrative credentials, book inventory data, and other confidential information stored within the database. The vulnerability's location within the administrative section of the system amplifies its potential impact, as successful exploitation could provide attackers with elevated privileges and full control over the library management functionality. This aligns with ATT&CK technique T1071.005 for Application Layer Protocol: Web Protocols and T1566.001 for Phishing: Spearphishing Attachment, as attackers could leverage this vulnerability to gain initial access and establish persistent control over the system.
Mitigation strategies for CVE-2022-36716 must focus on implementing proper input validation, parameterized queries, and secure coding practices throughout the application development lifecycle. The most effective immediate solution involves implementing prepared statements or parameterized queries to ensure that user input cannot alter the structure of SQL commands. Additionally, input validation should be strengthened to reject malicious payloads and implement proper access controls to limit database user privileges. Organizations should also consider implementing web application firewalls, input sanitization layers, and regular security testing to prevent similar vulnerabilities from being introduced in future releases. The vulnerability highlights the importance of following secure coding standards such as those outlined in OWASP Top 10 and the SANS Institute's Top 25 Software Errors, emphasizing that SQL injection remains one of the most prevalent and dangerous web application security flaws requiring immediate remediation.