EUVD-2024-45999

Comprehensive Technical Analysis of EUVD-2024-45999

1. Vulnerability Assessment and Severity Evaluation

The EUVD entry EUVD-2024-45999 describes a Cross-Site Request Forgery (CSRF) vulnerability in the Hacklog DownloadManager, which allows an attacker to upload a web shell to a web server. This vulnerability is particularly severe due to its potential to grant attackers unauthorized access and control over the affected server.

Severity Evaluation:

• Base Score: 9.6 (Critical)
• Base Score Version: CVSS 3.1
• Base Score Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

The CVSS score of 9.6 indicates a critical vulnerability. The vector string breaks down as follows:

• AV:N (Attack Vector: Network) - The vulnerability is exploitable over the network.
• AC:L (Attack Complexity: Low) - The attack requires low complexity.
• PR:N (Privileges Required: None) - No privileges are required to exploit the vulnerability.
• UI:R (User Interaction: Required) - User interaction is required for the attack to succeed.
• 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

Attack Vectors:

• CSRF Attack: An attacker can trick a user into performing actions on the web application that they did not intend to perform. This can be achieved through social engineering techniques such as phishing emails or malicious links.
• Web Shell Upload: Once the CSRF attack is successful, the attacker can upload a web shell, which is a script that allows remote administration of the server.

Exploitation Methods:

• Phishing: Sending crafted emails or messages to users with links that, when clicked, perform unauthorized actions on the web application.
• Malicious Links: Embedding malicious links in websites or forums that, when accessed, trigger the CSRF attack.
• Social Engineering: Using deceptive tactics to convince users to perform actions that exploit the vulnerability.

3. Affected Systems and Software Versions

Affected Software:

• Hacklog DownloadManager: Versions from n/a through 2.1.4.

Vendor:

• 荒野无灯 (Hacklog)

4. Recommended Mitigation Strategies

Immediate Actions:

• Patching: Upgrade to a patched version of Hacklog DownloadManager if available.
• Disable Unused Features: Disable any unused features or plugins that may introduce additional vulnerabilities.
• User Education: Educate users about the risks of phishing and social engineering attacks.

Long-Term Mitigation:

• CSRF Protection: Implement CSRF protection mechanisms such as anti-CSRF tokens.
• Input Validation: Ensure robust input validation to prevent unauthorized file uploads.
• Regular Audits: Conduct regular security audits and vulnerability assessments.
• Monitoring: Implement continuous monitoring to detect and respond to suspicious activities.

5. Impact on European Cybersecurity Landscape

The vulnerability poses a significant risk to organizations using the Hacklog DownloadManager, particularly within the European Union. The potential for unauthorized access and control over web servers can lead to data breaches, financial loss, and reputational damage. Given the critical nature of the vulnerability, it is essential for organizations to prioritize patching and implementing robust security measures to mitigate the risk.

6. Technical Details for Security Professionals

Technical Overview:

• CSRF Vulnerability: The vulnerability allows an attacker to perform actions on behalf of a user without their consent.
• Web Shell Upload: The attacker can upload a web shell, which provides a backdoor to the server, allowing for remote command execution and further exploitation.

Detection and Response:

• Log Analysis: Monitor server logs for unusual file upload activities and unauthorized access attempts.
• Intrusion Detection Systems (IDS): Deploy IDS to detect and alert on suspicious network activities.
• Incident Response Plan: Develop and maintain an incident response plan to quickly address and mitigate any security incidents.

References:

• Patchstack: WordPress Hacklog DownloadManager Plugin 2.1.4 CSRF to Arbitrary File Upload Vulnerability

Aliases:

• CVE-2024-52401

Assigner:

• Patchstack

ENISA ID Product:

• ID: 903a0703-689f-3007-9418-f2949a076e19
• Product: Hacklog DownloadManager
• Product Version: n/a ≤2.1.4

ENISA ID Vendor:

• ID: 0be8cf46-2e8d-3f6b-b724-3db463c921ec
• Vendor: 荒野无灯 (Hacklog)

By addressing this vulnerability promptly and effectively, organizations can significantly reduce the risk of a successful attack and protect their digital assets.