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Security Advisories: GSA_kwCzR0hTQS1xOXE2LWY1NTYtZ3BtN80XJw
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.
Permalink: https://github.com/advisories/GHSA-q9q6-f556-gpm7JSON: https://advisories.ecosyste.ms/api/v1/advisories/GSA_kwCzR0hTQS1xOXE2LWY1NTYtZ3BtN80XJw
Source: GitHub Advisory Database
Origin: Unspecified
Severity: Critical
Classification: General
Published: over 2 years ago
Updated: over 1 year ago
CVSS Score: 9.8
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Identifiers: GHSA-q9q6-f556-gpm7, CVE-2021-43571
References:
- https://nvd.nist.gov/vuln/detail/CVE-2021-43571
- https://github.com/starkbank/ecdsa-node/releases/tag/v1.1.3
- https://research.nccgroup.com/2021/11/08/technical-advisory-arbitrary-signature-forgery-in-stark-bank-ecdsa-libraries/
- https://github.com/advisories/GHSA-q9q6-f556-gpm7
Blast Radius: 22.6
Affected Packages
npm:starkbank-ecdsa
Dependent packages: 16Dependent repositories: 201
Downloads: 216,827 last month
Affected Version Ranges: < 1.1.3
Fixed in: 1.1.3
All affected versions: 0.0.1, 0.0.2, 0.0.4, 1.0.0, 1.1.0, 1.1.1, 1.1.2
All unaffected versions: 1.1.3, 1.1.4, 1.1.5