CyberSecBulletin

Use of Password System for Primary Authentication

CWE-309

The use of password systems as the primary means of authentication may be subject to several flaws or shortcomings, each reducing the effectiveness of the mechanism.

We track 1 vulnerability of this type. 100% are rated high or critical, and the average CVSS score is 8.8.

How this weakness is prevented

  • Architecture and Design: Use a zero-knowledge password protocol, such as SRP.
  • Architecture and Design: Ensure that passwords are stored safely and are not reversible.
  • Architecture and Design: Implement password aging functionality that requires passwords be changed after a certain point.
  • Architecture and Design: Use a mechanism for determining the strength of a password and notify the user of weak password use.
  • Architecture and Design: Inform the user of why password protections are in place, how they work to protect data integrity, and why it is important to heed their warnings.

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