EUVD-2024-51478

Comprehensive Technical Analysis of EUVD-2024-51478

1. Vulnerability Assessment and Severity Evaluation

The vulnerability EUVD-2024-51478, also known as CVE-2024-13264, is classified as an "Improper Neutralization of Directives in Statically Saved Code ('Static Code Injection')" affecting the Drupal Opigno module. This vulnerability allows for PHP Local File Inclusion (LFI), which can lead to severe security implications.

Severity Evaluation:

• Base Score: 9.8 (Critical)
• Base Score Version: 3.1
• Base Score Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

The CVSS score of 9.8 indicates a critical vulnerability. The vector string highlights the following characteristics:

• 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): High (H)
• Availability (A): High (H)

This vulnerability is highly exploitable and can lead to significant impacts on confidentiality, integrity, and availability.

2. Potential Attack Vectors and Exploitation Methods

Attack Vectors:

• Network-Based Attacks: Given the attack vector is network-based, an attacker can exploit this vulnerability remotely without needing local access.
• Low Complexity: The attack complexity is low, meaning that the exploit does not require specialized conditions or extensive knowledge to execute.

Exploitation Methods:

• PHP Local File Inclusion (LFI): An attacker can manipulate the input to include local files, potentially leading to code execution or sensitive information disclosure.
• Static Code Injection: The vulnerability involves injecting malicious code into statically saved code, which can be executed when the code is processed.

3. Affected Systems and Software Versions

Affected Software:

• Drupal Opigno Module: Versions from 0.0.0 before 3.1.2

Affected Systems:

• Any system running the vulnerable versions of the Drupal Opigno module. This includes web servers, content management systems, and any other platforms utilizing this module.

4. Recommended Mitigation Strategies

Immediate Actions:

• Update to the Latest Version: Upgrade the Opigno module to version 3.1.2 or later, which includes the security patch for this vulnerability.
• Temporary Mitigation: If an immediate update is not possible, consider implementing web application firewalls (WAFs) to block suspicious requests.

Long-Term Strategies:

• Regular Patch Management: Ensure that all software components are regularly updated and patched.
• Code Review: Conduct thorough code reviews to identify and mitigate similar vulnerabilities in other modules.
• Security Training: Educate developers and administrators on secure coding practices and the importance of input validation.

5. Impact on European Cybersecurity Landscape

The vulnerability poses a significant risk to organizations using the Drupal Opigno module within the European Union. Given the critical nature of the vulnerability, it could lead to data breaches, unauthorized access, and potential disruption of services. This underscores the need for robust cybersecurity measures and continuous monitoring within the EU.

6. Technical Details for Security Professionals

Vulnerability Details:

• Type: Static Code Injection leading to PHP Local File Inclusion
• Affected Component: Drupal Opigno module
• Impact: Allows an attacker to include and execute local files, potentially leading to remote code execution or information disclosure.

Exploitation Steps:

1. Identify Vulnerable Endpoint: Locate the endpoint or input field where the static code injection can occur.
2. Craft Malicious Input: Create a payload that includes a reference to a local file.
3. Execute Payload: Submit the payload to the vulnerable endpoint, leading to the inclusion and execution of the local file.

Detection and Monitoring:

• Log Analysis: Monitor server logs for unusual file inclusion attempts or suspicious activities.
• Intrusion Detection Systems (IDS): Implement IDS to detect and alert on potential exploitation attempts.
• Code Audits: Regularly audit the codebase for similar vulnerabilities and ensure proper input validation and sanitization.

References:

• Drupal Security Advisory: Drupal Security Advisory SA-CONTRIB-2024-028

By addressing this vulnerability promptly and implementing robust security measures, organizations can mitigate the risk and protect their systems from potential exploitation.