Vulnerability CVE-2020-27209
Published: 2021-05-20

Description:
The ECDSA operation of the micro-ecc library 1.0 is vulnerable to simple power analysis attacks which allows an adversary to extract the private ECC key.

Type:

NVD-CWE-noinfo

CVSS2 => (AV:N/AC:L/Au:N/C:P/I:N/A:N)

CVSS Base Score
Impact Subscore
Exploitability Subscore
5/10
2.9/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
None
None
Affected software
Micro-ecc project -> Micro-ecc 

 References:
https://github.com/kmackay/micro-ecc/releases
https://eprint.iacr.org/2021/640
https://www.aisec.fraunhofer.de/en/FirmwareProtection.html
https://github.com/kmackay/micro-ecc/commit/1b5f5cea5145c96dd8791b9b2c41424fc74c2172
https://www.aisec.fraunhofer.de/de/das-institut/wissenschaftliche-exzellenz/security-and-trust-in-open-source-security-tokens.html
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