Description
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.
Published: 2021-11-09
Score: 9.8 Critical
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

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Advisories
Source ID Title
EUVD EUVD EUVD-2021-2359 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.
Github GHSA Github GHSA GHSA-j3jw-j2j8-2wv9 Improper Verification of Cryptographic Signature in starkbank-ecdsa
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Starkbank Ecdsa-dotnet
cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

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

Reserved: 2021-11-09T00:00:00.000Z

Link: CVE-2021-43569

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

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

Modified: 2024-11-21T06:29:27.490

Link: CVE-2021-43569

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

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Weaknesses