EUVD-2024-55341

Comprehensive Technical Analysis of EUVD-2024-55341

1. Vulnerability Assessment and Severity Evaluation

The vulnerability EUVD-2024-55341 pertains to a SQL injection flaw in the Xhibiter NFT Marketplace version 1.10.2. This vulnerability is located in the collections endpoint, specifically through the 'id' parameter. The severity of this vulnerability is rated with a base score of 9.3 according to CVSS 4.0, indicating a critical risk. The vector string CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N highlights the following characteristics:

• Attack Vector (AV): Network (N) - The vulnerability is exploitable over the network.
• Attack Complexity (AC): Low (L) - The attack requires minimal skill and resources.
• Authentication (AT): None (N) - No authentication is required to exploit the vulnerability.
• Privileges Required (PR): None (N) - No special privileges are needed.
• User Interaction (UI): None (N) - No user interaction is required.
• Confidentiality Impact (VC): High (H) - The vulnerability can lead to significant data breaches.
• Integrity Impact (VI): High (H) - The vulnerability can result in data manipulation.
• Availability Impact (VA): None (N) - The vulnerability does not directly impact system availability.

2. Potential Attack Vectors and Exploitation Methods

Attackers can exploit this vulnerability using various SQL injection techniques:

• Boolean-based SQL Injection: Attackers can use boolean logic to infer the structure of the database and extract data.
• Time-based SQL Injection: By manipulating the database response time, attackers can extract information.
• UNION-based SQL Injection: Attackers can combine the results of two or more SELECT statements to extract data from different tables.

Exploitation involves sending crafted payloads to the collections endpoint, manipulating the 'id' parameter to execute malicious SQL queries.

3. Affected Systems and Software Versions

The vulnerability affects:

• Product: Xhibiter NFT Marketplace
• Version: 1.10.2
• Vendor: Elements

Users running this specific version of the Xhibiter NFT Marketplace are at risk.

4. Recommended Mitigation Strategies

To mitigate this vulnerability, the following strategies are recommended:

• Immediate Patching: Apply the latest security patches provided by the vendor.
• Input Validation: Implement robust input validation to sanitize user inputs and prevent malicious SQL queries.
• Parameterized Queries: Use parameterized queries or prepared statements to ensure that SQL code is not directly manipulated by user inputs.
• Web Application Firewalls (WAF): Deploy WAFs to detect and block SQL injection attempts.
• Regular Security Audits: Conduct regular security audits and vulnerability assessments to identify and address potential security flaws.

5. Impact on European Cybersecurity Landscape

The presence of this vulnerability in a widely-used NFT marketplace platform poses significant risks to the European cybersecurity landscape. Given the high confidentiality and integrity impact, successful exploitation could lead to:

• Data Breaches: Unauthorized access to sensitive user data, including personal and financial information.
• Financial Losses: Manipulation of NFT transactions and potential financial fraud.
• Reputation Damage: Loss of trust in the platform and potential legal repercussions.

6. Technical Details for Security Professionals

For security professionals, the following technical details are crucial:

• Exploit Details: The vulnerability can be exploited by injecting SQL code into the 'id' parameter of the collections endpoint. Example payloads include:

  • Boolean-based: 1' OR '1'='1
  • Time-based: 1' OR SLEEP(5)='1
  • UNION-based: 1' UNION SELECT username, password FROM users--

• Detection: Monitor for unusual database query patterns and anomalies in network traffic to the collections endpoint.

• Response: Implement incident response plans to quickly identify and mitigate any detected exploitation attempts.

• Prevention: Ensure that all database interactions are secured through parameterized queries and input validation.

Conclusion

The SQL injection vulnerability in Xhibiter NFT Marketplace 1.10.2 is a critical threat that requires immediate attention. By understanding the attack vectors, affected systems, and mitigation strategies, cybersecurity professionals can effectively protect against this vulnerability and safeguard the European cybersecurity landscape.