CVE-2021-43569

Improper Verification of Cryptographic Signature in nuget/starkbank-ecdsa

Identifiers

CVE-2021-43569

Package Slug

nuget/starkbank-ecdsa

Vulnerability

Improper Verification of Cryptographic Signature

Description

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

Affected Versions

Version 1.3.1

Solution

Upgrade to version 1.3.2 or above.

Last Modified

2021-11-15

source