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Authentication Bypass by Capture-replay

CVE-2022-42731

Severity High
Score 7.5/10

Summary

django-mfa2 prior to 2.5.1 and 2.6.x prior to 2.6.1 allows a replay attack that could be used to register another device for a user using "mfa/FIDO2.py". The device registration challenge is not invalidated after usage.

  • LOW
  • NETWORK
  • HIGH
  • UNCHANGED
  • NONE
  • NONE
  • NONE
  • NONE

CWE-294 - Authentication Bypass by Capture-replay

A capture-replay flaw exists when the design of the software makes it possible for a malicious user to sniff network traffic and bypass authentication by replaying it to the server in question to the same effect as the original message (or with minor changes).

Advisory Timeline

  • Published