EUVD-2024-46405

Comprehensive Technical Analysis of EUVD-2024-46405

1. Vulnerability Assessment and Severity Evaluation

The vulnerability identified in the Startklar Elementor Addons plugin for WordPress (EUVD-2024-46405) is a Directory Traversal issue. This vulnerability allows unauthenticated attackers to traverse the directory structure of the server, potentially accessing and copying the contents of arbitrary files, and even deleting directories, including the root WordPress directory.

Severity Evaluation:

• CVSS Base Score: 9.1
• CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

The high base score of 9.1 indicates a critical vulnerability. The CVSS vector breakdown shows:

• 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): None (N)
• Availability (A): High (H)

This means the vulnerability can be exploited remotely with low complexity, without requiring any privileges or user interaction, and can lead to high impact on confidentiality and availability.

2. Potential Attack Vectors and Exploitation Methods

Attack Vectors:

• Unauthenticated Access: Attackers can exploit this vulnerability without needing any authentication.
• Remote Exploitation: The attack can be carried out over the network, making it accessible to a wide range of potential attackers.

Exploitation Methods:

• Directory Traversal: By manipulating the 'dropzone_hash' parameter, attackers can navigate through the server's directory structure.
• File Access and Copying: Attackers can read and copy sensitive files, such as configuration files, database credentials, and other critical data.
• Directory Deletion: Attackers can delete arbitrary directories, including the root WordPress directory, leading to complete site unavailability.

3. Affected Systems and Software Versions

Affected Software:

• Startklar Elementor Addons plugin for WordPress

Affected Versions:

• All versions up to and including 1.7.15

Vendor:

• wshberlin

Product:

• Startklar Elementor Addons

4. Recommended Mitigation Strategies

Immediate Actions:

• Update the Plugin: Ensure that the Startklar Elementor Addons plugin is updated to a version higher than 1.7.15.
• Disable the Plugin: If an update is not immediately available, consider disabling the plugin until a patched version is released.

Long-Term Mitigation:

• Regular Patching: Implement a regular patching and update schedule for all plugins and themes.
• Access Controls: Enforce strict access controls and permissions for plugin and theme files.
• Monitoring and Logging: Implement robust monitoring and logging to detect and respond to suspicious activities.
• Web Application Firewall (WAF): Deploy a WAF to filter and monitor HTTP traffic to and from the web application.

5. Impact on European Cybersecurity Landscape

The vulnerability poses a significant risk to the European cybersecurity landscape, particularly for organizations and individuals using WordPress with the affected plugin. The potential for unauthenticated attackers to access sensitive information and delete critical directories can lead to data breaches, service disruptions, and financial losses. This underscores the importance of timely vulnerability management and the need for robust cybersecurity measures across the EU.

6. Technical Details for Security Professionals

Vulnerability Details:

• Parameter: 'dropzone_hash'
• Exploit Method: Directory Traversal via manipulation of the 'dropzone_hash' parameter.

References:

• Wordfence Threat Intelligence
• WordPress Plugin Repository

EPSS Score: 11

• The EPSS (Exploit Prediction Scoring System) score of 11 indicates a moderate likelihood of exploitation in the wild.

ENISA IDs:

• Product ID: bdbced01-17f8-3849-bbcc-122861380491
• Vendor ID: 64c8373d-965f-37d9-8db0-0fa2288f8316

Aliases:

• CVE-2024-5153

Assigner:

• Wordfence

Conclusion:

The Directory Traversal vulnerability in the Startklar Elementor Addons plugin for WordPress is critical and requires immediate attention. Organizations should prioritize updating the plugin to a secure version and implement additional security measures to mitigate the risk. The European cybersecurity community should remain vigilant and proactive in addressing such vulnerabilities to protect against potential data breaches and service disruptions.