GitHub Advisoryadvisory · NuGet

GHSA-j3jw-j2j8-2wv9 Improper Verification of Cryptographic Signature in starkbank-ecdsa

CRITICAL Published 2021-11-10 Modified 2021-11-15 Official page ↗
Aliases
CVE-2021-43569
Ecosystem
NuGet
Packages
starkbank-ecdsa
Severity
Critical
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weaknesses
CWE-347
Reviewed
2021-11-10

Affected packages

• NuGet starkbank-ecdsa: < 1.3.2 → fixed in 1.3.2

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.

Related

Alias · CVE (1)

  • CVE-2021-43569 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… vulnerability

Weakness · CWE (1)

  • CWE-347 Improper Verification of Cryptographic Signature weakness

References