CVE-2022-36727 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 bookId parameter at /staff/delete.php.
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Analysis
by VulDB Data Team • 09/18/2022
The vulnerability identified as CVE-2022-36727 represents a critical security flaw in the Library Management System version 1.0, specifically targeting the staff deletion functionality. This issue manifests through improper input validation within the bookId parameter processing at the /staff/delete.php endpoint, creating a pathway for malicious actors to manipulate database queries through crafted input sequences. The vulnerability stems from the application's failure to adequately sanitize or parameterize user-supplied data before incorporating it into database operations, which directly violates fundamental security principles for preventing injection attacks.
This SQL injection vulnerability operates under the Common Weakness Enumeration framework as CWE-89, which classifies it as a SQL injection weakness where untrusted data is directly embedded into SQL command strings without proper sanitization. The attack vector specifically targets the bookId parameter, suggesting that when staff members attempt to delete book records through the administrative interface, the system fails to properly validate or escape the input before executing database operations. The flaw allows an attacker to manipulate the underlying database queries by injecting malicious SQL syntax through the bookId parameter, potentially enabling unauthorized data access, modification, or deletion.
The operational impact of this vulnerability extends beyond simple data corruption, as it can lead to complete database compromise and unauthorized administrative access within the library management system. An attacker exploiting this vulnerability could potentially extract sensitive information including user credentials, patron records, book inventory data, and system configuration details. The vulnerability's presence in the staff deletion functionality indicates that it affects administrative operations, potentially allowing attackers to escalate privileges or disrupt system operations through unauthorized data manipulation. This represents a significant risk to data integrity and confidentiality within the library management environment.
Mitigation strategies for CVE-2022-36727 should prioritize immediate implementation of proper input validation and parameterized queries to prevent SQL injection attacks. The system must implement strict input sanitization measures including parameterized database queries, input length validation, and proper escaping of special characters before database operations. Organizations should also consider implementing web application firewalls to detect and block malicious SQL injection attempts, along with regular security assessments and code reviews to identify similar vulnerabilities. Additionally, following the ATT&CK framework's methodology for database access techniques, administrators should implement least privilege access controls and monitor database activities for suspicious patterns that may indicate exploitation attempts. The vulnerability highlights the critical importance of secure coding practices and proper input validation in preventing widespread database compromise within web applications.