Improper Verification of Cryptographic Signature in starkbank-ecdsa

严重 9.8CVE-2021-43569 · GHSA-j3jw-j2j8-2wv9 · Published 09/11/2021 · updated 17/06/2026

要点

CVE-2021-43569 是影响 starkbank-ecdsa, ecdsa-dotnet (starkbank) 的严重 (CVSS 9.8)漏洞。
未来 30 天内被利用的概率（EPSS）：1.1%，高于 64.6% 的漏洞。
修复：升级到 1.3.2 或更高版本。

Package	Affected versions	Patched versions
starkbank-ecdsa NuGet	`< 1.3.2`	`1.3.2`
ecdsa-dotnet starkbank	`= 1.3.2`	No fix yet

Description

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.

NVD description

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.

References

starkbank-ecdsa 的其他漏洞

查看全部 →

Running one of these products? Scan your site to see whether it exposes a vulnerable version.

Scan my site free