EUVD-2023-28259

Comprehensive Technical Analysis of EUVD-2023-28259

1. Vulnerability Assessment and Severity Evaluation

The EUVD entry EUVD-2023-28259 describes a SQL injection vulnerability in the Raffle Draw System v1.0, specifically via the id parameter in the save_ticket.php script. The vulnerability has a CVSS Base Score of 9.8, which is considered critical. The CVSS vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H indicates the following:

• Attack Vector (AV): Network (N) - The vulnerability can be exploited remotely over the network.
• Attack Complexity (AC): Low (L) - The attack requires minimal skill or resources.
• Privileges Required (PR): None (N) - No special privileges are needed to exploit the vulnerability.
• User Interaction (UI): None (N) - No user interaction is required for the attack to succeed.
• Scope (S): Unchanged (U) - The vulnerability does not change the security scope.
• Confidentiality (C): High (H) - The vulnerability can lead to a significant breach of confidentiality.
• Integrity (I): High (H) - The vulnerability can lead to a significant breach of integrity.
• Availability (A): High (H) - The vulnerability can lead to a significant breach of availability.

Given the high scores in confidentiality, integrity, and availability, this vulnerability poses a severe risk to any system running the affected software.

2. Potential Attack Vectors and Exploitation Methods

The primary attack vector is SQL injection, which can be exploited by manipulating the id parameter in the save_ticket.php script. Potential exploitation methods include:

• Direct SQL Injection: An attacker can inject malicious SQL code into the id parameter to manipulate the database. This can result in unauthorized access to data, data modification, or even data deletion.
• Union-Based SQL Injection: An attacker can use the UNION SQL operator to combine the results of two or more SELECT statements into a single result. This can be used to extract additional data from the database.
• Error-Based SQL Injection: An attacker can induce database errors to gain information about the database structure and contents.

3. Affected Systems and Software Versions

The vulnerability affects the Raffle Draw System v1.0. Any system running this version of the software is at risk. The specific script save_ticket.php is the point of vulnerability.

4. Recommended Mitigation Strategies

To mitigate this vulnerability, the following strategies are recommended:

• Input Validation and Sanitization: Ensure that all user inputs are properly validated and sanitized. Use prepared statements or parameterized queries to prevent SQL injection.
• Database Permissions: Limit the permissions of the database user to the minimum necessary for the application to function. Avoid using administrative accounts for database connections.
• Web Application Firewalls (WAF): Implement a WAF to detect and block SQL injection attempts.
• Regular Updates: Ensure that the software is regularly updated to the latest version. If a patch is available, apply it immediately.
• Security Audits: Conduct regular security audits and code reviews to identify and fix vulnerabilities.

5. Impact on European Cybersecurity Landscape

The presence of such a critical vulnerability in a widely used system underscores the importance of robust cybersecurity practices. Organizations in Europe must be vigilant in identifying and mitigating such vulnerabilities to protect sensitive data and maintain the integrity of their systems. The EU's focus on data protection and privacy, as outlined in regulations like GDPR, makes addressing such vulnerabilities a priority.

6. Technical Details for Security Professionals

For security professionals, the following technical details are pertinent:

• Vulnerability Identification: The vulnerability can be identified by examining the save_ticket.php script for improper handling of the id parameter. Look for instances where user input is directly included in SQL queries without proper sanitization.
• Exploitation Example: An attacker might inject SQL code like 1 OR 1=1 into the id parameter to bypass authentication or retrieve unauthorized data.
• Detection: Use tools like SQLMap or manual testing to detect SQL injection vulnerabilities. Monitor database logs for unusual queries or errors that may indicate an attempted SQL injection attack.
• Remediation: Implement parameterized queries using PHP's PDO (PHP Data Objects) or MySQLi prepared statements. Example:

  $stmt = $pdo->prepare('SELECT * FROM tickets WHERE id = :id');
  $stmt->execute(['id' => $id]);
  

By following these guidelines, organizations can significantly reduce the risk posed by this vulnerability and enhance their overall cybersecurity posture.

References

• Source Code
• GitHub Repository

Aliases

• CVE-2023-24200
• GSD-2023-24200

Assigner

• Mitre

EPSS

• N/A

ENISA ID

• Product: n/a
• Vendor: n/a

This comprehensive analysis should help cybersecurity professionals understand the severity of the vulnerability and take appropriate actions to mitigate the risk.