En resumen
- CVE-2021-43572 es una vulnerabilidad CRÍTICO (CVSS 9.8) que afecta a starkbank-ecdsa, ecdsa-python (starkbank).
- Probabilidad de explotación en los próximos 30 días (EPSS): 1.2%, mayor que el 69.5% de las vulnerabilidades.
- Solución: actualizar a 2.0.1 o posterior.
Description
The verify function in the Stark Bank Python ECDSA library (starkbank-ecdsa) 2.0.0 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 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.
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