Improper Verification of Cryptographic Signature in starkbank-ecdsa

严重 9.8CVE-2021-43571 · GHSA-q9q6-f556-gpm7 · Published 09/11/2021 · updated 17/06/2026

要点

CVE-2021-43571 是影响 ecdsa-node (starkbank), starkbank-ecdsa 的严重 (CVSS 9.8)漏洞。
未来 30 天内被利用的概率（EPSS）：1.0%，高于 63.7% 的漏洞。
修复：升级到 1.1.3 或更高版本。

Package	Affected versions	Patched versions
ecdsa-node starkbank	`= 1.1.2`	No fix yet
starkbank-ecdsa npm	`< 1.1.3`	`1.1.3`

Description

The verify function in the Stark Bank Node.js ECDSA library (ecdsa-node) 1.1.2 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 Node.js ECDSA library (ecdsa-node) 1.1.2 fails to check that the signature is non-zero, which allows attackers to forge signatures on arbitrary messages.

References

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