Ecdsa Dotnet

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CVE-2021-43569 NuGet CRITICAL POC PATCH Act Now

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. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Information Disclosure Jwt Attack Ecdsa Dotnet

NVD GitHub

CVSS 3.1

9.8

EPSS

1.0%

CVE-2021-43569 NuGet

EPSS 1% CVSS 9.8

CRITICAL POC PATCH Act Now

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. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Information Disclosure Jwt Attack Ecdsa Dotnet

NVD GitHub

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