CVE-2024-3362 Overview
CVE-2024-3362 is a SQL injection vulnerability in SourceCodester Online Library System 1.0, developed by Janobe. The flaw resides in the admin/books/controller.php file, where the IBSN parameter is passed to a database query without proper sanitization. Attackers with low-privileged access can manipulate this parameter to inject arbitrary SQL statements. The vulnerability is remotely exploitable over the network and has been publicly disclosed under VulDB identifier 259466. The weakness is classified under CWE-89: Improper Neutralization of Special Elements used in an SQL Command.
Critical Impact
Authenticated remote attackers can extract, modify, or delete database contents, compromising confidentiality, integrity, and availability of the library system.
Affected Products
- Janobe Online Library System 1.0
- Component: admin/books/controller.php
- Vulnerable parameter: IBSN
Discovery Timeline
- 2024-04-06 - CVE-2024-3362 published to the National Vulnerability Database (NVD)
- 2026-06-17 - Last updated in NVD database
Technical Details for CVE-2024-3362
Vulnerability Analysis
The vulnerability exists in the administrative book management functionality of the Online Library System. The IBSN request parameter is concatenated directly into a SQL query executed by admin/books/controller.php. Because user input is not parameterized or escaped, attackers can break out of the intended query context and append arbitrary SQL clauses.
Successful exploitation allows an attacker to read arbitrary tables, modify records, or delete data. Given the administrative context of the controller, exposed data may include patron records, credentials, and book inventory information. The public disclosure via VulDB increases the likelihood of opportunistic exploitation against internet-exposed installations.
Root Cause
The root cause is missing input validation and the absence of prepared statements when handling the IBSN parameter. The controller trusts client-supplied input and interpolates it directly into a SQL statement, matching the classic pattern described in [CWE-89].
Attack Vector
Exploitation requires network access to the administrative interface and low-level authentication. An attacker submits a crafted HTTP request containing malicious SQL syntax in the IBSN parameter. No user interaction is required, and the attack complexity is low.
A proof-of-concept for this issue has been published to a public GitHub repository. See the GitHub advisory and VulDB entry #259466 for technical details of the injection payload.
Detection Methods for CVE-2024-3362
Indicators of Compromise
- HTTP requests to admin/books/controller.php containing SQL metacharacters such as single quotes, UNION, SELECT, --, or OR 1=1 in the IBSN parameter
- Unusual database error messages returned by the application referencing MySQL syntax errors
- Unexpected outbound queries or large result sets originating from the library system's database user
- New or modified administrator records in the users or admin tables without corresponding legitimate activity
Detection Strategies
- Deploy web application firewall (WAF) rules that flag SQL injection patterns targeting admin/books/controller.php
- Enable database query logging and alert on anomalous query structures originating from the application service account
- Review web server access logs for repeated requests to the vulnerable endpoint with suspicious IBSN values
Monitoring Recommendations
- Correlate authentication events with subsequent access to admin/books/controller.php to identify compromised low-privilege accounts
- Monitor for database schema enumeration attempts, such as queries against information_schema
- Track outbound data transfer volumes from the database host to detect potential exfiltration
How to Mitigate CVE-2024-3362
Immediate Actions Required
- Restrict access to the administrative interface using network-level controls or IP allowlisting
- Rotate credentials for all administrative accounts on the affected system
- Audit database contents for signs of unauthorized modification or data extraction
- Consider taking internet-exposed instances offline until a vendor patch is available
Patch Information
No vendor patch has been referenced in the NVD entry for CVE-2024-3362 at the time of publication. Administrators should monitor the Janobe SourceCodester project page for updates and review the VulDB submission #310426 for remediation guidance.
Workarounds
- Apply a WAF rule that blocks SQL metacharacters in the IBSN parameter on requests to admin/books/controller.php
- Modify the application source to use parameterized queries (prepared statements) with the MySQLi or PDO extensions when handling the IBSN value
- Enforce strict input validation on IBSN to accept only expected characters, such as digits and hyphens
- Apply least-privilege permissions to the database account used by the application, removing DROP, ALTER, and FILE privileges
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.
