CVE-2022-36729 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 M_Id parameter at /librarian/del.php.
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Analysis
by VulDB Data Team • 09/18/2022
The vulnerability identified as CVE-2022-36729 represents a critical security flaw in the Library Management System version 1.0 that exposes the application to unauthorized data access and potential system compromise. This issue manifests through a SQL injection vulnerability that specifically targets the M_Id parameter within the /librarian/del.php endpoint, creating a pathway for malicious actors to manipulate database queries and extract sensitive information. The vulnerability stems from insufficient input validation and improper parameter handling within the application's backend processing logic, allowing attackers to inject malicious SQL code that bypasses normal authentication and authorization mechanisms.
The technical exploitation of this vulnerability occurs when an attacker submits a specially crafted M_Id parameter value that contains SQL commands rather than legitimate identifiers. This injection allows the attacker to manipulate the underlying database queries executed by the application, potentially enabling them to view, modify, or delete database records without proper authorization. The flaw aligns with CWE-89 which specifically addresses SQL injection vulnerabilities, and represents a direct violation of secure coding practices that mandate proper input sanitization and parameterized query execution. The attack surface is particularly concerning as it targets administrative functionality within the library management system, potentially providing access to patron records, book inventories, and other sensitive institutional data.
The operational impact of this vulnerability extends beyond simple data theft to encompass potential system compromise and service disruption. An attacker could leverage this vulnerability to escalate privileges, gain persistent access to the database, or even execute arbitrary commands on the underlying server if the application is configured with sufficient database permissions. The implications for library management systems are particularly severe as they often contain personally identifiable information, borrowing records, and institutional data that could be exploited for identity theft, financial fraud, or other malicious activities. This vulnerability also aligns with ATT&CK technique T1190 which describes the exploitation of vulnerabilities in remote services, and T1071.005 which covers application layer protocol usage for command and control communications.
Mitigation strategies for CVE-2022-36729 must prioritize immediate patching and code review processes to address the root cause of the SQL injection vulnerability. Organizations should implement proper input validation and parameterized queries throughout the application to prevent similar issues from occurring in other endpoints. The recommended approach includes sanitizing all user inputs, implementing proper access controls, and utilizing prepared statements or stored procedures to handle database interactions. Additionally, regular security testing including automated vulnerability scanning and manual penetration testing should be conducted to identify and remediate similar vulnerabilities across the entire application stack. Network segmentation and database access controls should also be implemented to limit the potential impact of any successful exploitation attempts. The vulnerability demonstrates the critical importance of following secure coding standards and maintaining up-to-date security patches to protect institutional data assets from exploitation.