Yubico ykneo-openpgp before 1.0.10 has a typo in which an invalid PIN can be used. When first powered up, a signature will be issued even though the PIN has not been validated.
The product does not verify, or incorrectly verifies, the cryptographic signature for data.
Link | Tags |
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https://developers.yubico.com/ykneo-openpgp/SecurityAdvisory%202015-04-14.html | exploit mitigation vendor advisory |