starkbank/ecdsa-python

starkbank/ecdsa-python

GitHubGitHub
GitHubgithub.com
starkbank.comstarkbank.com
Releases20
Frequency4 months 3 weeks
Last Release
Stars141
A lightweight and fast pure Python ECDSA library
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CVE History

CVEPublishedCVSS v3CVSS v2
CVE-2021-43572↗
9.8 CRITICAL7.5 HIGH

The verify function in the Stark Bank Python ECDSA library (aka starkbank-escada or ecdsa-python) before 2.0.1 fails to check that the signature is non-zero, which allows attackers to forge signatures on arbitrary messages.