CVE-2021-43572

CRITICAL

9.8

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.

Details CVE

Score CVSS v3.19.8

SeveriteCRITICAL

Vecteur CVSSCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Vecteur d'attaqueNETWORK

ComplexiteLOW

Privileges requisNONE

Interaction utilisateurNONE

Publie11/9/2021

Derniere modification11/21/2024

Sourcenvd

Observations honeypot0

Produits affectes

starkbank:ecdsa-python

Faiblesses (CWE)

CWE-347

References

https://github.com/starkbank/ecdsa-python/commit/d136170666e9510eb63c2572551805807bd4c17f(cve@mitre.org)

https://github.com/starkbank/ecdsa-python/releases/tag/v2.0.1(cve@mitre.org)

https://research.nccgroup.com/2021/11/08/technical-advisory-arbitrary-signature-forgery-in-stark-bank-ecdsa-libraries/(cve@mitre.org)

https://github.com/starkbank/ecdsa-python/commit/d136170666e9510eb63c2572551805807bd4c17f(af854a3a-2127-422b-91ae-364da2661108)

https://github.com/starkbank/ecdsa-python/releases/tag/v2.0.1(af854a3a-2127-422b-91ae-364da2661108)

https://research.nccgroup.com/2021/11/08/technical-advisory-arbitrary-signature-forgery-in-stark-bank-ecdsa-libraries/(af854a3a-2127-422b-91ae-364da2661108)

Correlations IOC

Aucune correlation enregistree

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