EUVD-2023-30985

Comprehensive Technical Analysis of EUVD-2023-30985

1. Vulnerability Assessment and Severity Evaluation

Vulnerability Description: The Best POS Management System 1.0 contains a SQL injection vulnerability via the month parameter at /kruxton/sales_report.php. This vulnerability allows an attacker to inject malicious SQL code into the application, potentially leading to unauthorized access, data manipulation, or data exfiltration.

Severity Evaluation: The CVSS (Common Vulnerability Scoring System) base score for this vulnerability is 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)
• Attack Complexity (AC): Low (L)
• Privileges Required (PR): None (N)
• User Interaction (UI): None (N)
• Scope (S): Unchanged (U)
• Confidentiality (C): High (H)
• Integrity (I): High (H)
• Availability (A): High (H)

This high score reflects the severe impact on confidentiality, integrity, and availability of the system.

2. Potential Attack Vectors and Exploitation Methods

Attack Vectors:

• SQL Injection: An attacker can craft a malicious SQL query by manipulating the month parameter in the URL.
• Automated Scanning: Attackers may use automated tools to scan for vulnerable endpoints and exploit the SQL injection vulnerability.

Exploitation Methods:

• Data Exfiltration: Attackers can extract sensitive data from the database, including customer information, sales data, and financial records.
• Data Manipulation: Attackers can alter database entries, leading to incorrect sales reports and financial discrepancies.
• Unauthorized Access: Attackers can gain unauthorized access to the database, potentially leading to further exploitation of the system.

3. Affected Systems and Software Versions

Affected Systems:

• Best POS Management System 1.0

Software Versions:

• Version 1.0 of the Best POS Management System is specifically affected by this vulnerability.

4. Recommended Mitigation Strategies

Immediate Mitigation:

• Patching: Apply the latest security patches provided by the vendor.
• Input Validation: Implement strict input validation and sanitization for the month parameter to prevent SQL injection.
• Parameterized Queries: Use parameterized queries or prepared statements to ensure that SQL code is not directly executed from user input.

Long-Term Mitigation:

• Regular Audits: Conduct regular security audits and code reviews to identify and mitigate similar vulnerabilities.
• Web Application Firewall (WAF): Deploy a WAF to monitor and block malicious SQL injection attempts.
• Security Training: Provide security training for developers to understand and prevent common vulnerabilities like SQL injection.

5. Impact on European Cybersecurity Landscape

Impact Analysis:

• Data Breaches: The vulnerability can lead to significant data breaches, affecting the confidentiality and integrity of customer data.
• Financial Losses: Compromised POS systems can result in financial losses for businesses due to data manipulation and unauthorized access.
• Regulatory Compliance: Non-compliance with data protection regulations such as GDPR can result in legal consequences and fines.

Broader Implications:

• Supply Chain Risks: Vulnerabilities in POS systems can affect the entire supply chain, impacting multiple businesses and industries.
• Reputation Damage: Data breaches and financial losses can severely damage the reputation of affected businesses.

6. Technical Details for Security Professionals

Vulnerability Details:

• Vulnerable Endpoint: /kruxton/sales_report.php
• Vulnerable Parameter: month
• Exploitation Example: An attacker can inject SQL code by modifying the month parameter, e.g., /kruxton/sales_report.php?month=1'; DROP TABLE sales; --

Mitigation Code Example:

// Example of using prepared statements in PHP
$stmt = $pdo->prepare("SELECT * FROM sales_report WHERE month = :month");
$stmt->bindParam(':month', $month);
$stmt->execute();
$results = $stmt->fetchAll();

References:

• Source Code
• GitHub Repository

Aliases:

• CVE-2023-27205
• GSD-2023-27205

Assigner:

• Mitre

EPSS:

• N/A

ENISA ID:

• Product: n/a
• Vendor: n/a

By addressing this vulnerability promptly and effectively, organizations can mitigate the risks associated with SQL injection and protect their critical data and systems.