CVE-2021-43571 – starkbank-ecdsa

Package

Manager: npm
Name: starkbank-ecdsa
Vulnerable Version: >=0 <1.1.3

Severity

Level: Critical

CVSS v3.1: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

EPSS: 0.00222 pctl0.44721

Details

Improper Verification of Cryptographic Signature in starkbank-ecdsa The verify function in the Stark Bank Node.js ECDSA library (ecdsa-node) 1.1.2 fails to check that the signature is non-zero, which allows attackers to forge signatures on arbitrary messages.

Metadata

Created: 2021-11-10T20:58:42Z
Modified: 2021-11-15T14:44:13Z
Source: https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2021/11/GHSA-q9q6-f556-gpm7/GHSA-q9q6-f556-gpm7.json
CWE IDs: ["CWE-347"]
Alternative ID: GHSA-q9q6-f556-gpm7
Finding: F163
Auto approve: 1