CVE-2023-30018 in Judging Management System
Summary
by MITRE • 05/08/2023
Judging Management System v1.0 is vulnerable to SQL Injection. via /php-jms/review_se_result.php?mainevent_id=.
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Analysis
by VulDB Data Team • 12/20/2025
The Judging Management System version 1.0 contains a critical SQL injection vulnerability that allows remote attackers to execute arbitrary database commands through the review_se_result.php script. This vulnerability specifically affects the mainevent_id parameter which is not properly sanitized before being incorporated into SQL queries. The flaw exists in the web application's input validation mechanisms, where user-supplied data flows directly into database operations without adequate escaping or parameterization. The affected endpoint /php-jms/review_se_result.php accepts the mainevent_id parameter and processes it within SQL statements, creating an avenue for malicious actors to manipulate database queries and potentially gain unauthorized access to sensitive information.
This SQL injection vulnerability falls under the CWE-89 category, which specifically addresses SQL injection flaws in software applications. The attack vector exploits the lack of proper input validation and sanitization, allowing attackers to inject malicious SQL code through the mainevent_id parameter. The vulnerability enables several attack patterns including data extraction, data manipulation, and potentially complete database compromise. According to the MITRE ATT&CK framework, this represents a technique under T1190 - Exploit Public-Facing Application, where attackers target web applications for SQL injection attacks. The vulnerability's impact extends beyond simple data theft as it can lead to privilege escalation, data corruption, and unauthorized system access.
The operational impact of this vulnerability is significant for organizations using the Judging Management System, as it creates potential for unauthorized data access and modification. Attackers could extract sensitive information such as user credentials, judging results, and system configurations from the underlying database. The vulnerability also poses risks to data integrity and availability, as malicious actors could potentially delete or alter records within the system. Organizations relying on this system for competitive judging processes face additional risks including manipulation of results, disruption of operations, and potential legal consequences from tampered data. The vulnerability affects the system's overall security posture and could compromise the trustworthiness of the entire judging process.
Mitigation strategies for this vulnerability should include immediate implementation of parameterized queries or prepared statements to prevent SQL injection attacks. The application code must be updated to properly sanitize all user inputs before processing, with specific attention to the mainevent_id parameter in the review_se_result.php script. Input validation should be implemented at multiple layers including application-level filtering and database-level protections. Organizations should also implement proper access controls and monitoring mechanisms to detect unauthorized database access attempts. Regular security assessments and code reviews should be conducted to identify similar vulnerabilities in other application components. The system should be updated to the latest available version or patched according to vendor recommendations, and network segmentation should be implemented to limit potential attack surface. Additionally, implementing web application firewalls and intrusion detection systems can provide additional layers of protection against SQL injection attempts.