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django-mfa2 vulnerable to MFA Replay attack

High severity GitHub Reviewed Published Oct 11, 2022 to the GitHub Advisory Database • Updated Mar 17, 2023

Package

pip django-mfa2 (pip)

Affected versions

< 2.5.1
>= 2.6.0, < 2.6.1

Patched versions

2.5.1
2.6.1

Description

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

References

Published by the National Vulnerability Database Oct 11, 2022
Published to the GitHub Advisory Database Oct 11, 2022
Reviewed Oct 11, 2022
Last updated Mar 17, 2023

Severity

High
7.5
/ 10

CVSS base metrics

Attack vector
Network
Attack complexity
Low
Privileges required
None
User interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
High
Availability
None
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Weaknesses

CVE ID

CVE-2022-42731

GHSA ID

GHSA-vw39-2wj9-4q86

Source code

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