CVE-2021-43569 (Critical) detected in starkbank-ecdsa.1.2.0.nupkg

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CVE-2021-43569 - Critical Severity Vulnerability

Vulnerable Library - starkbank-ecdsa.1.2.0.nupkg

Pure C# implementation of the Elliptic Curve Digital Signature Algorithm (ECDSA) by Stark Bank

Library home page: https://api.nuget.org/packages/starkbank-ecdsa.1.2.0.nupkg

Path to dependency file: /src/CommandCenter/CommandCenter.csproj

Path to vulnerable library: /home/wss-scanner/.nuget/packages/starkbank-ecdsa/1.2.0/starkbank-ecdsa.1.2.0.nupkg

Dependency Hierarchy: - sendgrid.9.22.0.nupkg (Root Library) - :x: **starkbank-ecdsa.1.2.0.nupkg** (Vulnerable Library)

Found in base branch: main

Vulnerability Details

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.

Publish Date: 2021-11-09

URL: CVE-2021-43569

CVSS 3 Score Details (9.8)

Base Score Metrics: - Exploitability Metrics: - Attack Vector: Network - Attack Complexity: Low - Privileges Required: None - User Interaction: None - Scope: Unchanged - Impact Metrics: - Confidentiality Impact: High - Integrity Impact: High - Availability Impact: High

For more information on CVSS3 Scores, click here.

Suggested Fix

Type: Upgrade version

Origin: https://github.com/advisories/GHSA-j3jw-j2j8-2wv9

Release Date: 2021-11-09

Fix Resolution: starkbank-ecdsa - 1.3.2