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CVE-2020-27208

MEDIUM

6.8

Description

The flash read-out protection (RDP) level is not enforced during the device initialization phase of the SoloKeys Solo 4.0.0 & Somu and the Nitrokey FIDO2 token. This allows an adversary to downgrade the RDP level and access secrets such as private ECC keys from SRAM via the debug interface.

Details CVE

Score CVSS v3.16.8

SeveriteMEDIUM

Vecteur CVSSCVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Vecteur d'attaquePHYSICAL

ComplexiteLOW

Privileges requisNONE

Interaction utilisateurNONE

Publie5/21/2021

Derniere modification11/21/2024

Sourcenvd

Observations honeypot0

Produits affectes

nitrokey:fido2nitrokey:fido2_firmwaresolokeys:solosolokeys:solo_firmwaresolokeys:somusolokeys:somu_firmware

Faiblesses (CWE)

CWE-326

References

https://eprint.iacr.org/2021/640(cve@mitre.org)

https://github.com/solokeys/solo/commit/a9c02cd354f34b48195a342c7f524abdef5cbcec(cve@mitre.org)

https://solokeys.com(cve@mitre.org)

https://twitter.com/SoloKeysSec(cve@mitre.org)

https://www.aisec.fraunhofer.de/de/das-institut/wissenschaftliche-exzellenz/security-and-trust-in-open-source-security-tokens.html(cve@mitre.org)

https://www.aisec.fraunhofer.de/en/FirmwareProtection.html(cve@mitre.org)

https://eprint.iacr.org/2021/640(af854a3a-2127-422b-91ae-364da2661108)

https://github.com/solokeys/solo/commit/a9c02cd354f34b48195a342c7f524abdef5cbcec(af854a3a-2127-422b-91ae-364da2661108)

https://solokeys.com(af854a3a-2127-422b-91ae-364da2661108)

https://twitter.com/SoloKeysSec(af854a3a-2127-422b-91ae-364da2661108)

https://www.aisec.fraunhofer.de/de/das-institut/wissenschaftliche-exzellenz/security-and-trust-in-open-source-security-tokens.html(af854a3a-2127-422b-91ae-364da2661108)

https://www.aisec.fraunhofer.de/en/FirmwareProtection.html(af854a3a-2127-422b-91ae-364da2661108)

Correlations IOC

Aucune correlation enregistree

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