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CVE-2021-43569

CVE-2021-43569

EPSS 1.0%
The verify function in the Stark Bank .NET ECDSA library (ecdsa-dotnet) 1.3.1 fails to check that the signature is non-zero, which allows attackers to forge signatures on arbitrary messages.
Affected products
n/a · n/a

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References
https://github.com/starkbank/ecdsa-dotnet/releases/tag/v1.3.2https://research.nccgroup.com/2021/11/08/technical-advisory-arbitrary-signature-forgery-in-stark-bank-ecdsa-libraries/