CVE-2022-42731

Advisory

Django-mfa2 2.5.1 and 2.6.1 include a fix for CVE-2022-42731: 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.

Affected package

Affected versions

Fixed versions

Vulnerability changelog

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. See CVE-2022-42731.


MISC:https://github.com/mkalioby/django-mfa2/blob/0936ea253354dd95cb127f09d0efa31324caef27/mfa/FIDO2.py#L58: https://github.com/mkalioby/django-mfa2/blob/0936ea253354dd95cb127f09d0efa31324caef27/mfa/FIDO2.py#L58
MISC:https://github.com/mkalioby/django-mfa2/releases/tag/v2.5.1-release: https://github.com/mkalioby/django-mfa2/releases/tag/v2.5.1-release
MISC:https://github.com/mkalioby/django-mfa2/releases/tag/v2.6.1-release: https://github.com/mkalioby/django-mfa2/releases/tag/v2.6.1-release

Resources

• https://github.com/mkalioby/django-mfa2/blob/0936ea253354dd95cb127f09d0efa31324caef27/mfa/FIDO2.py#L
• https://github.com/mkalioby/django-mfa2/releases/tag/v2.5.1-release
• https://github.com/mkalioby/django-mfa2/releases/tag/v2.6.1-release
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-42731
• https://github.com/mkalioby/django-mfa2/blob/0936ea253354dd95cb127f09d0efa31324caef27/mfa/FIDO2.py#L58