CVE-2025-7065

Comprehensive Technical Analysis of CVE-2025-7065

1. Vulnerability Assessment and Severity Evaluation

CVE ID: CVE-2025-7065

Description: The vulnerability in PAD CMS's photo upload functionality allows an unauthenticated remote attacker to upload files of any type and extension without restriction. This can lead to Remote Code Execution (RCE) due to a client-controlled permission check parameter.

CVSS Score: 9.8 (Critical)

Severity Evaluation:

• Confidentiality Impact: High
• Integrity Impact: High
• Availability Impact: High
• Exploitability: High
• Remediation Level: Unavailable (End-Of-Life product)

The high CVSS score indicates a critical vulnerability that can be easily exploited with severe consequences, including full system compromise.

2. Potential Attack Vectors and Exploitation Methods

Attack Vectors:

• Unauthenticated File Upload: An attacker can upload malicious files without needing authentication.
• Remote Code Execution (RCE): By uploading executable files, an attacker can execute arbitrary code on the server.

Exploitation Methods:

• File Upload: An attacker can craft a malicious file (e.g., a PHP script) and upload it via the photo upload functionality.
• Code Execution: Once the file is uploaded, the attacker can trigger its execution by accessing it through a web request.
• Persistent Access: The attacker can maintain persistent access by uploading backdoors or other malicious scripts.

3. Affected Systems and Software Versions

Affected Product: PAD CMS

Affected Templates:

• www
• bip
• ww+bip

Software Versions: All versions of PAD CMS are affected, as the product is End-Of-Life (EOL) and no patches will be provided.

4. Recommended Mitigation Strategies

Immediate Actions:

• Disable Photo Upload Functionality: Temporarily disable the photo upload feature to prevent exploitation.
• Implement Access Controls: Restrict access to the upload functionality to trusted users only.
• Monitor and Log: Increase monitoring and logging of upload activities to detect and respond to suspicious behavior.

Long-Term Actions:

• Migrate to Supported CMS: Transition to a supported and actively maintained Content Management System (CMS).
• Regular Security Audits: Conduct regular security audits and vulnerability assessments.
• Patch Management: Ensure all software components are up-to-date and patched.

5. Impact on Cybersecurity Landscape

Immediate Impact:

• Increased Risk: Organizations using PAD CMS are at high risk of being compromised.
• Data Breaches: Potential for data breaches, unauthorized access, and data manipulation.

Long-Term Impact:

• Reputation Damage: Organizations may suffer reputational damage due to security incidents.
• Compliance Issues: Potential non-compliance with regulatory requirements related to data protection and security.

6. Technical Details for Security Professionals

Vulnerability Details:

• Root Cause: Client-controlled permission check parameter in the photo upload functionality.
• Exploitation Steps:
  1. Craft a malicious file (e.g., a PHP script with RCE payload).
  2. Upload the file via the photo upload functionality.
  3. Access the uploaded file through a web request to execute the payload.

Detection and Response:

• Intrusion Detection Systems (IDS): Implement IDS to detect suspicious upload activities.
• File Integrity Monitoring (FIM): Use FIM to monitor changes in critical files and directories.
• Incident Response Plan: Develop and maintain an incident response plan to quickly address any security incidents.

Conclusion: CVE-2025-7065 represents a critical vulnerability in PAD CMS that can lead to severe security incidents. Due to the product being EOL, immediate mitigation strategies are essential, followed by a long-term plan to migrate to a supported CMS. Organizations must prioritize monitoring, logging, and regular security audits to protect against such vulnerabilities.

References:

• CERT.PL Advisory

This analysis underscores the importance of proactive security measures and the need for continuous monitoring and updating of software to mitigate risks associated with critical vulnerabilities.