Yubico YubiKey 5.4.1 through 5.7.3 before 5.7.4 has an incorrect FIDO CTAP PIN/UV Auth Protocol Two implementation. It uses the signature length from CTAP PIN/UV Auth Protocol One, even when CTAP PIN/UV Auth Protocol Two was chosen, resulting in a partial signature verification.
CVSS Details
- CVSS 3.1 Base Score: 2.2
- CVSS 3.1 Vector: (CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:N/I:L/A:N)
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