CVE-2025-25211
Remediation/Mitigation Strategy: CVE-2025-25211
Vulnerability Description: Weak password requirements in CHOCO TEI WATCHER mini (IB-MCT001) all versions.
Severity: Critical (CVSS: 9.8)
Known Exploit: Brute-force attack allowing unauthorized access and login.
Remediation/Mitigation Strategy:
Enforce Strong Password Policies:
- Implement a password policy requiring a minimum password length of 12 characters.
- Require a mix of uppercase letters, lowercase letters, numbers, and symbols.
- Prohibit the use of easily guessable passwords (e.g., “password,” “123456”).
- Implement password complexity checks during password creation/change.
Implement Account Lockout:
- Implement an account lockout policy that temporarily disables an account after a specified number of failed login attempts (e.g., 5 failed attempts lock the account for 30 minutes).
Multi-Factor Authentication (MFA):
- Implement multi-factor authentication for all user accounts. This adds an extra layer of security beyond just a password. Options include:
- Time-based One-Time Password (TOTP) like Google Authenticator or Authy.
- Hardware security keys (e.g., YubiKey).
- Push notifications to a registered mobile device.
- Implement multi-factor authentication for all user accounts. This adds an extra layer of security beyond just a password. Options include:
Password Salting and Hashing:
- Ensure passwords are not stored in plaintext.
- Implement a strong password hashing algorithm (e.g., Argon2, bcrypt, scrypt) with a unique salt for each password. This makes brute-force attacks significantly more difficult, even if the password database is compromised.
Rate Limiting:
- Implement rate limiting on the login endpoint to prevent or slow down brute-force attacks. This limits the number of login attempts that can be made from a single IP address or user account within a given time period.
Update Firmware/Software (If Available):
- Check for and install any available firmware or software updates for the CHOCO TEI WATCHER mini (IB-MCT001). The vendor may have released a patch addressing this vulnerability.
Network Segmentation (If Possible):
- If the device does not require access to the entire network, segment it onto a separate network segment with limited access to other critical systems. This can limit the potential impact of a successful attack.
Monitoring and Alerting:
- Implement monitoring for failed login attempts and other suspicious activity. Configure alerts to notify security personnel of potential attacks.
Regular Password Audits:
- Conduct regular password audits to identify weak or compromised passwords. Consider using password auditing tools.
User Education:
- Educate users about the importance of strong passwords and the risks of using weak passwords. Provide guidance on creating and maintaining strong passwords.
Assigner
- JPCERT/CC [email protected]
Date
- Published Date: 2025-03-31 05:15:16
- Updated Date: 2025-03-31 05:15:16