The verify function in the Stark Bank .NET ECDSA library (ecdsa-dotnet) 1.3.1 fails to check that the signature is non-zero, which allows attackers to forge signatures on arbitrary messages.
History

No history.

cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2021-11-09T21:05:06

Updated: 2024-08-04T04:03:07.930Z

Reserved: 2021-11-09T00:00:00

Link: CVE-2021-43569

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Analyzed

Published: 2021-11-09T22:15:07.597

Modified: 2021-11-12T20:01:40.840

Link: CVE-2021-43569

cve-icon Redhat

No data.