EUVD-2023-34510

Comprehensive Technical Analysis of EUVD-2023-34510

1. Vulnerability Assessment and Severity Evaluation

The vulnerability EUVD-2023-34510 pertains to an SQL injection flaw in the Judging Management System v1.0 by oretnom23. The vulnerability is located in the /php-jms/review_result.php?mainevent_id= parameter, specifically the mainevent_id.

Severity Evaluation:

• Base Score: 9.8
• Base Score Version: 3.1
• Base Score Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

The CVSS score of 9.8 indicates a critical vulnerability. The vector string breaks down as follows:

• AV:N (Network): The vulnerability is exploitable over the network.
• AC:L (Low): The attack complexity is low, meaning it is relatively easy to exploit.
• PR:N (None): No privileges are required to exploit the vulnerability.
• UI:N (None): No user interaction is required.
• S:U (Unchanged): The scope of the vulnerability does not change.
• C:H (High): Confidentiality impact is high.
• I:H (High): Integrity impact is high.
• A:H (High): Availability impact is high.

2. Potential Attack Vectors and Exploitation Methods

Attack Vectors:

• SQL Injection: An attacker can inject malicious SQL code into the mainevent_id parameter to manipulate the database queries.
• Remote Exploitation: Since the vulnerability is exploitable over the network, an attacker can target the system from anywhere with internet access.

Exploitation Methods:

• Manual SQL Injection: Crafting SQL queries to extract data, modify data, or delete data.
• Automated Tools: Using automated SQL injection tools to exploit the vulnerability.
• Blind SQL Injection: If the application does not return error messages, an attacker can use blind SQL injection techniques to extract information.

3. Affected Systems and Software Versions

Affected Systems:

• Judging Management System v1.0 by oretnom23

Software Versions:

• Specifically, version 1.0 of the Judging Management System.

4. Recommended Mitigation Strategies

Immediate Mitigation:

• Patching: Apply the latest patches or updates provided by the vendor.
• Input Validation: Implement strict input validation and sanitization for the mainevent_id parameter.
• Parameterized Queries: Use parameterized queries or prepared statements to prevent SQL injection.
• Web Application Firewall (WAF): Deploy a WAF to detect and block SQL injection attempts.

Long-Term Mitigation:

• Code Review: Conduct a thorough code review to identify and fix similar vulnerabilities.
• Security Training: Provide security training for developers to prevent future SQL injection vulnerabilities.
• Regular Updates: Ensure that the system is regularly updated with the latest security patches.

5. Impact on European Cybersecurity Landscape

The presence of such a critical vulnerability in a judging management system highlights the importance of robust security measures in software development. Given the high CVSS score, this vulnerability poses a significant risk to the confidentiality, integrity, and availability of data managed by the system. Organizations using this software, particularly those in Europe, should prioritize addressing this vulnerability to prevent potential data breaches and ensure compliance with data protection regulations such as GDPR.

6. Technical Details for Security Professionals

Vulnerability Details:

• Vulnerable Parameter: mainevent_id in /php-jms/review_result.php?mainevent_id=
• Exploit Example: An attacker could inject SQL code like 1 OR 1=1 to bypass authentication or 1; DROP TABLE users; to delete data.

Detection Methods:

• Log Analysis: Monitor logs for unusual SQL queries or error messages.
• Intrusion Detection Systems (IDS): Use IDS to detect and alert on SQL injection attempts.
• Code Analysis: Static and dynamic code analysis to identify SQL injection points.

References:

• GitHub Repository
• Detailed Report

Aliases:

• CVE-2023-30077
• GSD-2023-30077

Assigner:

• Mitre

EPSS:

• N/A

ENISA ID Product and Vendor:

• Product ID: f1b2cd6d-0070-35a9-895c-65119067ce31
• Vendor ID: d7076705-2efe-3f59-a530-d4a00c1fadc0

By addressing this vulnerability promptly and effectively, organizations can significantly reduce the risk of data breaches and ensure the security and integrity of their systems.