EUVD-2024-45550

Comprehensive Technical Analysis of EUVD-2024-45550

1. Vulnerability Assessment and Severity Evaluation

The vulnerability EUVD-2024-45550, also known as CVE-2024-51791, is classified as an "Unrestricted Upload of File with Dangerous Type" vulnerability. This type of vulnerability allows an attacker to upload a web shell to a web server, which can lead to remote code execution (RCE). The CVSS (Common Vulnerability Scoring System) base score of 10.0 indicates a critical severity level. The CVSS vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H breaks down as follows:

• AV:N (Attack Vector: Network): The vulnerability is exploitable over the network.
• AC:L (Attack Complexity: Low): The attack requires minimal skill or resources.
• PR:N (Privileges Required: None): No privileges are required to exploit the vulnerability.
• UI:N (User Interaction: None): No user interaction is required.
• S:C (Scope: Changed): The vulnerability affects a different security scope.
• C:H (Confidentiality: High): The vulnerability has a high impact on confidentiality.
• I:H (Integrity: High): The vulnerability has a high impact on integrity.
• A:H (Availability: High): The vulnerability has a high impact on availability.

2. Potential Attack Vectors and Exploitation Methods

The primary attack vector for this vulnerability is the unrestricted file upload functionality in the Made I.T. Forms plugin. An attacker can exploit this by:

1. Identifying the Vulnerable Endpoint: Locating the file upload endpoint in the web application.
2. Crafting a Malicious File: Creating a web shell or other malicious file that can execute arbitrary code on the server.
3. Uploading the File: Submitting the malicious file through the vulnerable upload form.
4. Executing the Payload: Accessing the uploaded file to execute the payload, gaining control over the server.

3. Affected Systems and Software Versions

The vulnerability affects the Made I.T. Forms plugin for WordPress, specifically versions from n/a through 2.8.0. Any web server running WordPress with this plugin installed within the specified version range is at risk.

4. Recommended Mitigation Strategies

To mitigate this vulnerability, the following steps should be taken:

1. Update the Plugin: Immediately update the Made I.T. Forms plugin to a version higher than 2.8.0, if available.
2. Implement File Upload Restrictions: Ensure that the file upload functionality is restricted to safe file types and sizes.
3. Use Web Application Firewalls (WAF): Deploy WAFs to monitor and block suspicious file upload attempts.
4. Regular Security Audits: Conduct regular security audits and vulnerability assessments to identify and address similar issues.
5. Monitor for Suspicious Activity: Implement logging and monitoring to detect and respond to any suspicious file upload activities.

5. Impact on European Cybersecurity Landscape

The impact of this vulnerability on the European cybersecurity landscape is significant due to the widespread use of WordPress and its plugins. Organizations and individuals using the Made I.T. Forms plugin are at risk of data breaches, unauthorized access, and potential loss of control over their web servers. This can lead to financial losses, reputational damage, and legal consequences under regulations such as GDPR.

6. Technical Details for Security Professionals

For security professionals, the following technical details are crucial:

• Detection: Implement intrusion detection systems (IDS) to monitor for unusual file upload activities and access patterns.
• Incident Response: Develop an incident response plan that includes steps for identifying, containing, and remediating the vulnerability.
• Patch Management: Ensure that a robust patch management process is in place to apply updates promptly.
• Code Review: Conduct a thorough code review of the Made I.T. Forms plugin to identify and fix similar vulnerabilities.
• Security Training: Provide training for developers and administrators on secure coding practices and file upload security.

Conclusion

The vulnerability EUVD-2024-45550 is a critical issue that requires immediate attention. Organizations should prioritize updating the affected plugin and implementing robust security measures to protect against potential exploitation. The European cybersecurity landscape demands vigilance and proactive measures to safeguard against such high-impact vulnerabilities.

References

• Patchstack Vulnerability Database
• EUVD Entry: EUVD-2024-45550
• CVE Entry: CVE-2024-51791