CVE-2021-43572

Critical

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…

mitre·CWE-347·Published 2021-11-09

CVSS

9.8

EPSS

0.01

KEV

Exploits

cve.orgen

223 chars

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.

NVDen

223 chars

OSV.deven

192 chars

The verify function in the Stark Bank Python ECDSA library (ecdsa-python) 2.0.0 fails to check that the signature is non-zero, which allows attackers to forge signatures on arbitrary messages.

GHSAen

197 chars

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.

NVDes

266 chars

La función verify de la biblioteca ECDSA de Stark Bank Python (también conocida como starkbank-escada o ecdsa-python) anterior a la versión 2.0.1 no comprueba que la firma sea distinta de cero, lo que permite a los atacantes falsificar firmas en mensajes arbitrarios

CVSS metrics across sources

Version	Type	Source	Base	Exp	Impact	Vector
2.0	Primary	NVD	7.5	10.0	6.4	AV:N/AC:L/Au:N/C:P/I:P/A:P
3.1	Primary	NVD	9.8	3.9	5.9	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H