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CVE-2022-42731

Good to know:

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Date: October 11, 2022

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.

Language: CSS

Severity Score

Related Resources (5)

https://github.com/mkalioby/django-mfa2/releases/tag/v2.6.1-release
https://github.com/mkalioby/django-mfa2/blob/0936ea253354dd95cb127f09d0efa31324caef27/mfa/FIDO2.py#L58
https://nvd.nist.gov/vuln/detail/CVE-2022-42731
https://github.com/mkalioby/django-mfa2/releases/tag/v2.5.1-release
https://www.mend.io/vulnerability-database/CVE-2022-42731

Severity Score

Weakness Type (CWE)

Authentication Bypass by Capture-replay

CWE-294

Top Fix

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Upgrade Version

Upgrade to version django-mfa2 - 2.5.2,2.6.1

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): HIGH
Availability (A): NONE

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