6.8

CVE-2020-27208

Exploit
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.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Solokeys ≫ Solo Firmware Version4.0.0
   Solokeys ≫ Solo Version-
Solokeys ≫ Somu Firmware Version-
   Solokeys ≫ Somu Version-
Nitrokey ≫ Fido2 Firmware Version-
   Nitrokey ≫ Fido2 Version-
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.33% 0.243
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
nvd@nist.gov 6.8 0.9 5.9
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
nvd@nist.gov 4.6 3.9 6.4
AV:L/AC:L/Au:N/C:P/I:P/A:P
CWE-326 Inadequate Encryption Strength

The product stores or transmits sensitive data using an encryption scheme that is theoretically sound, but is not strong enough for the level of protection required.

https://www.aisec.fraunhofer.de/en/FirmwareProtection.html
Third Party Advisory
Exploit
https://eprint.iacr.org/2021/640
Third Party Advisory
https://www.aisec.fraunhofer.de/de/das-institut/wissenschaftliche-exzellenz/security-and-trust-in-open-source-security-tokens.html
Third Party Advisory
https://github.com/solokeys/solo/commit/a9c02cd354f34b48195a342c7f524abdef5cbcec
Patch
Third Party Advisory
https://solokeys.com
Product
https://twitter.com/SoloKeysSec
Product