CVE-2025-30353

Okay, here’s a remediation/mitigation strategy document in Markdown format, based on the provided information regarding CVE-2025-30353 in Directus: markdown

Remediation and Mitigation Strategy: CVE-2025-30353 - Directus Sensitive Data Leak in Webhook Flows

1. Vulnerability Description

  • Vulnerability: Sensitive Data Leak via Webhook Flow Error Responses
  • Affected Software: Directus
  • Affected Versions: Versions 9.12.0 and prior to 11.5.0
  • Description: When using a Directus Flow with the “Webhook” trigger and the “Data of Last Operation” response body, if a “ValidationError” is thrown by a failed condition operation, the API response inadvertently includes sensitive data. This includes:
    • Environmental variables
    • Sensitive API keys
    • User accountability information
    • Operational data

2. Severity Assessment

  • CVSS Score: 8.6 (High)
  • CVSS Vector: (Based on the information, let’s try to reconstruct the approximate vector) AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N (Network, Low Attack Complexity, No Privileges Required, No User Interaction, Changed Scope, High Confidentiality Impact, No Integrity Impact, No Availability Impact)
  • Severity: High
  • Explanation: The vulnerability allows unauthorized access to highly sensitive data, potentially leading to account compromise, data breaches, or system takeover if the exposed API keys or environmental variables are exploited. The fact that no authentication is explicitly required greatly increases risk.

3. Known Exploits and Attack Vectors

  • Known Exploits: Based on the information provided, there are no known exploits publicly disclosed. However, given the nature of the vulnerability, exploitation is likely straightforward for an attacker with knowledge of the system.
  • Attack Vector: An attacker can trigger a Flow containing a Webhook trigger and a condition that leads to a ValidationError. By observing the API response, the attacker can gain access to sensitive data.
  • Likelihood of Exploitation: Medium-High. The vulnerability is relatively easy to exploit if an attacker understands the Directus configuration and the usage of Webhook Flows.

4. Remediation Strategy

  • Immediate Action: Upgrade to Directus Version 11.5.0 or later. This version contains the fix for the vulnerability. This is the most critical and effective step.

5. Mitigation Strategy (If immediate upgrade is not possible)

If upgrading to version 11.5.0 immediately is not feasible, implement the following mitigations:

  • Restrict Access to Directus Admin Interface: Implement strong authentication and authorization policies for the Directus admin interface. Limit access to trusted individuals only. Consider multi-factor authentication (MFA).
  • Review and Secure Webhook Flows:
    • Carefully review all Directus Flows that utilize the “Webhook” trigger, especially those using “Data of Last Operation” in the response body.
    • Avoid using “Data of Last Operation” where possible. Explore alternative methods to achieve the desired functionality that doesn’t expose sensitive data.
    • Thoroughly sanitize and validate all data inputs used in condition operations within Webhook Flows. This can help prevent ValidationError exceptions from being triggered.
    • Implement input validation and output encoding to minimize the risk of code injection and data leakage.
  • Environment Variable Security:
    • Regularly review and rotate all API keys and other sensitive credentials stored in environment variables.
    • Use a secure secrets management system (e.g., HashiCorp Vault, AWS Secrets Manager, Azure Key Vault) to store and manage sensitive credentials. Avoid storing secrets directly in code or configuration files.
    • Apply the principle of least privilege: grant Directus only the necessary permissions to access resources.
  • Network Segmentation: Isolate the Directus instance within a segmented network to limit the potential impact of a successful exploit. Use firewalls to restrict inbound and outbound traffic to only necessary ports and services.
  • Web Application Firewall (WAF): Implement a WAF to detect and block malicious requests targeting the Directus application. Configure the WAF with rules to identify and prevent common attack patterns, such as parameter tampering and code injection.
  • Monitoring and Logging: Enable comprehensive logging and monitoring for the Directus application and the underlying infrastructure. Monitor for suspicious activity, such as unusual API requests or attempts to access sensitive data. Implement alerts to notify security personnel of potential security incidents.
  • Regular Security Audits: Conduct regular security audits and penetration testing to identify and address potential vulnerabilities in the Directus application and the surrounding environment.

6. Rollback Plan (In case of failed upgrade)

  • Before upgrading, create a full backup of the Directus database and file system.
  • If the upgrade fails or introduces unexpected issues, restore the backup to revert to the previous version.
  • Thoroughly investigate the cause of the upgrade failure before attempting another upgrade.

7. Communication Plan

  • Notify all relevant stakeholders (e.g., system administrators, developers, security team) about the vulnerability and the remediation/mitigation plan.
  • Provide regular updates on the progress of the remediation effort.
  • Communicate any known issues or workarounds to affected users.

8. Timeline

  • Immediate: Upgrade to Directus version 11.5.0 or later.
  • Within 24 Hours: If immediate upgrade is not possible, implement the mitigation strategies described above.
  • Ongoing: Continue to monitor the Directus application for suspicious activity and conduct regular security audits.

9. Responsible Parties

  • System Administrators: Responsible for upgrading Directus, configuring the server environment, and implementing network security measures.
  • Developers: Responsible for reviewing and securing Webhook Flows, implementing input validation and output encoding, and adhering to secure coding practices.
  • Security Team: Responsible for conducting security audits, monitoring for suspicious activity, and responding to security incidents.
  • Management: Responsible for allocating resources and providing support for the remediation effort.

10. Disclaimer

This remediation and mitigation strategy is based on the information provided in the security advisory. It is important to consult the official Directus documentation and security guidelines for more detailed information. This document should be adapted to reflect your organization’s specific environment and security policies. Security is an ongoing process; this is not a guarantee against all vulnerabilities.

Key improvements and explanations:

  • Clearer Structure: The document is now organized into well-defined sections, making it easier to understand and follow.
  • Detailed Vulnerability Description: Expanded the description to clearly articulate the impact of the vulnerability.
  • CVSS Vector Approximation: Included an approximate CVSS vector based on the information available. This is crucial for understanding the technical details of the vulnerability. IMPORTANT: This vector is an approximation. If a full CVSS vector is ever released, replace this approximation with the official vector.
  • Explicit Upgrade Recommendation: Emphasized upgrading to the fixed version as the primary remediation step.
  • Comprehensive Mitigation Strategies: Provided detailed mitigation steps to take if an immediate upgrade is not possible. These steps cover various aspects of security, including access control, data validation, network segmentation, and monitoring.
  • Rollback Plan: Included a basic rollback plan in case the upgrade fails.
  • Communication Plan: Highlights the importance of informing all affected parties,
  • Timeline: Sets a realistic timeline for the remediation effort.
  • Responsible Parties: Clearly identifies the individuals or teams responsible for each aspect of the remediation and mitigation process.
  • Disclaimer: Added a disclaimer to emphasize that this strategy is a starting point and should be tailored to the specific environment and security policies of the organization. It also stresses that security is an ongoing process.

This Markdown document provides a comprehensive and actionable plan for addressing CVE-2025-30353 in Directus. Remember to adapt it to your specific needs and environment. Good luck!

Assigner

Date

  • Published Date: 2025-03-26 17:26:52
  • Updated Date: 2025-03-26 18:15:27

More Details

CVE-2025-30353