CVE-2021-43569
Improper Verification of Cryptographic Signature in starkbank-ecdsa
Einstufung nach Quelle
Trivys eigenes Label ist CRITICAL. Kritisch laut NVD, GHSA.
Beschreibung
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.
Betroffene Pakete und behobene Versionen
| Quelle | Paket | Behoben in |
|---|---|---|
| nuget::GitHub Security Advisory NuGet | starkbank-ecdsa | 1.3.2 |
Referenzen
- https://github.com/starkbank/ecdsa-dotnet
- https://github.com/starkbank/ecdsa-dotnet/releases/tag/v1.3.2
- https://nvd.nist.gov/vuln/detail/CVE-2021-43569
- https://research.nccgroup.com/2021/11/08/technical-advisory-arbitrary-signature-forgery-in-stark-bank-ecdsa-libraries
- https://research.nccgroup.com/2021/11/08/technical-advisory-arbitrary-signature-forgery-in-stark-bank-ecdsa-libraries/