EUVD-2024-29025

Comprehensive Technical Analysis of EUVD-2024-29025

1. Vulnerability Assessment and Severity Evaluation

The vulnerability identified as EUVD-2024-29025 pertains to an "Unrestricted Upload of File with Dangerous Type" in the biplob018 Shortcode Addons plugin. This vulnerability allows an attacker to upload files of dangerous types, potentially leading to remote code execution (RCE) or other severe impacts.

Severity Evaluation:

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

The high base score of 9.1 indicates a critical vulnerability. The CVSS vector breakdown is as follows:

• Attack Vector (AV): Network (N)
• Attack Complexity (AC): Low (L)
• Privileges Required (PR): High (H)
• User Interaction (UI): None (N)
• Scope (S): Changed (C)
• Confidentiality (C): High (H)
• Integrity (I): High (H)
• Availability (A): High (H)

This vulnerability is critical due to the potential for high impact on confidentiality, integrity, and availability, despite requiring high privileges for exploitation.

2. Potential Attack Vectors and Exploitation Methods

Attack Vectors:

• Unrestricted File Upload: An attacker with high privileges can upload malicious files, such as PHP scripts, which can be executed on the server.
• Remote Code Execution (RCE): By uploading and executing malicious scripts, an attacker can gain control over the server, leading to data breaches, defacement, or further malware distribution.

Exploitation Methods:

• File Upload Mechanism: The attacker exploits the file upload functionality in the Shortcode Addons plugin to upload a file with a dangerous type (e.g., PHP, JSP).
• Script Execution: Once the file is uploaded, the attacker can execute the script, leading to RCE.

3. Affected Systems and Software Versions

Affected Software:

• Shortcode Addons: Versions from n/a through 3.2.5

Affected Systems:

• WordPress Websites: Any WordPress installation using the affected versions of the Shortcode Addons plugin.

4. Recommended Mitigation Strategies

Immediate Actions:

• Update the Plugin: Ensure that the Shortcode Addons plugin is updated to a version that addresses this vulnerability.
• Disable File Uploads: Temporarily disable file upload functionality until a patch is available.
• Implement File Type Restrictions: Configure the server to restrict the types of files that can be uploaded.

Long-Term Mitigation:

• Regular Patching: Implement a regular patching and update schedule for all plugins and software.
• Security Audits: Conduct regular security audits and vulnerability assessments.
• Web Application Firewalls (WAF): Deploy WAFs to monitor and block suspicious activities.

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 RCE can lead to data breaches, financial loss, and reputational damage. Given the widespread use of WordPress, this vulnerability could affect a large number of websites, making it a critical concern for European cybersecurity authorities.

6. Technical Details for Security Professionals

Vulnerability Details:

• CVE ID: CVE-2024-31114
• GSD ID: GSD-2024-31114
• Assigner: Patchstack
• EPSS Score: 1 (indicating a low likelihood of exploitation in the wild, but this should not be relied upon due to the critical nature of the vulnerability)

Technical Recommendations:

• File Upload Validation: Implement robust file upload validation mechanisms to ensure only safe file types are allowed.
• Input Sanitization: Sanitize all user inputs to prevent injection attacks.
• Least Privilege Principle: Ensure that users have the minimum privileges necessary to perform their tasks.
• Monitoring and Logging: Implement comprehensive monitoring and logging to detect and respond to suspicious activities promptly.

References:

• Patchstack Vulnerability Database

By addressing this vulnerability promptly and implementing robust security measures, organizations can mitigate the risk of exploitation and protect their digital assets.