CVE-2021-43177: Improper one time password handling in devise-two-factor

April 11, 2022 (updated April 18, 2022)

As a result of an incomplete fix for CVE-2015-7225, in versions of devise-two-factor prior to 4.0.2 it is possible to reuse a One-Time-Password (OTP) for one (and only one) immediately trailing interval. CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N)

References

github.com/advisories/GHSA-jm35-h8q2-73mp
github.com/tinfoil/devise-two-factor/issues/106
github.com/tinfoil/devise-two-factor/security/advisories/GHSA-jm35-h8q2-73mp

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