CVE-2025-26936

Remediation/Mitigation Strategy for CVE-2025-26936: Fresh Framework Code Injection Vulnerability

1. Vulnerability Description:

  • Vulnerability: Improper Control of Generation of Code (‘Code Injection’)
  • Software: Fresh Framework
  • Affected Versions: n/a through 1.70.0
  • Description: The Fresh Framework, in versions up to and including 1.70.0, is vulnerable to a code injection attack. This vulnerability allows an attacker to inject arbitrary code into the application, potentially leading to remote code execution (RCE), data breaches, or other malicious activities.

2. Severity:

  • CVSS Score: 10.0 (Critical)
  • CVSS v3.1 Vector: AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H (Based on information provided in the CVE record. This translates to: Network Attack Vector, Low Attack Complexity, No Privileges Required, No User Interaction, Changed Scope, High Confidentiality Impact, High Integrity Impact, High Availability Impact)
  • Severity Level: Critical
  • Impact:
    • High Confidentiality: An attacker can gain access to sensitive data.
    • High Integrity: An attacker can modify or corrupt data.
    • High Availability: An attacker can disrupt or take down the application or server.

3. Known Exploits:

  • Exploit Status: The provided information does not explicitly state a publicly available exploit exists. However, given the critical severity and the nature of code injection vulnerabilities, it’s reasonable to assume that proof-of-concept (PoC) exploits may exist or will be developed soon. Actively monitor vulnerability databases, security blogs, and exploit repositories (e.g., Exploit-DB, Metasploit) for updates.

4. Remediation Strategy:

  • Immediate Action: Upgrade Fresh Framework
    • The primary remediation is to upgrade the Fresh Framework to a patched version that addresses this vulnerability. Unfortunately, the provided CVE information does not specify which version is patched. Therefore, you must:
      • Contact the Fresh Framework vendor/developers: Reach out to them directly to inquire about the patched version(s) and obtain the necessary upgrade instructions. This is the most critical step.
      • Monitor Fresh Framework release notes: Check their official website and release notes for announcements regarding the vulnerability and available patches.
  • Interim Mitigation (If Patch is Not Immediately Available): These mitigations should only be used as temporary measures until the framework can be upgraded.
    • Input Validation and Sanitization: Implement strict input validation and sanitization on all user-provided data that is used in any code generation or dynamic code execution within the Fresh Framework application. This is difficult without modifying the framework code, but if you have customization options available, explore them. Focus on escaping special characters, whitelisting allowed characters, and limiting input lengths.
    • Principle of Least Privilege: Ensure that the application’s user account has the minimum necessary permissions to function. Limit its access to only the files and resources it needs. This can help contain the damage if the vulnerability is exploited.
    • Web Application Firewall (WAF): Deploy a Web Application Firewall (WAF) and configure it to block common code injection attack patterns (e.g., SQL injection, command injection). Regularly update the WAF ruleset to address emerging threats. Note: WAF is not a replacement for patching.
    • Disable Unnecessary Features: If possible, disable or remove any features or functionalities within the Fresh Framework that are not essential for your application. This reduces the attack surface.

5. Mitigation Strategy:

  • Code Review: Conduct thorough code reviews, focusing on areas where user input is processed or dynamic code is generated. Look for potential code injection vulnerabilities.
  • Penetration Testing: Engage a security professional to conduct penetration testing to identify and validate potential vulnerabilities in your Fresh Framework application.
  • Security Audits: Implement regular security audits to proactively identify and address potential security weaknesses.
  • Dependency Management: Implement a robust dependency management process to track and manage all dependencies of your Fresh Framework application. Regularly update dependencies to the latest versions to address known vulnerabilities.
  • Vulnerability Scanning: Implement automated vulnerability scanning tools to continuously monitor your Fresh Framework application for known vulnerabilities.
  • Intrusion Detection System (IDS) / Intrusion Prevention System (IPS): Deploy an IDS/IPS to detect and prevent malicious activity that may be indicative of a code injection attack.
  • Security Information and Event Management (SIEM): Implement a SIEM system to collect and analyze security logs from your Fresh Framework application and other systems to identify and respond to security incidents.

6. Communication:

  • Internal Communication: Inform relevant teams (developers, security, operations) about the vulnerability and the remediation/mitigation steps.
  • External Communication: If you are using a third-party service built on Fresh Framework, consider communicating with them to confirm their mitigation strategy.

7. Monitoring:

  • Log Monitoring: Monitor application logs for suspicious activity, such as unusual errors, unexpected code execution, or unauthorized access attempts.
  • System Monitoring: Monitor system resource usage (CPU, memory, disk I/O) for anomalies that may indicate a successful code injection attack.
  • Security Alerts: Configure security alerts to be triggered when suspicious activity is detected.

8. Important Considerations:

  • Backup and Recovery: Ensure you have a robust backup and recovery plan in place so that you can quickly restore your application in the event of a successful attack.
  • Testing: Thoroughly test all remediations and mitigations in a non-production environment before deploying them to production.

Disclaimer: This remediation/mitigation strategy is based on the information provided in the CVE record. It is important to consult with security experts and follow best practices for your specific environment. It is CRUCIAL to contact the Fresh Framework vendor to obtain the correct patched version and upgrading instructions. This is a critical vulnerability and should be addressed immediately.

Assigner

Date

  • Published Date: 2025-03-10 15:15:38
  • Updated Date: 2025-03-10 15:15:38

More Details

CVE-2025-26936