What is GHSA-q9q6-f556-gpm7?

GHSA-q9q6-f556-gpm7 is a security advisory published by GitHub Security Advisories with Critical severity. Improper Verification of Cryptographic Signature in starkbank-ecdsa

Which CVE IDs does GHSA-q9q6-f556-gpm7 cover?

GHSA-q9q6-f556-gpm7 covers the following CVE IDs: CVE-2021-43571. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-q9q6-f556-gpm7?

GHSA-q9q6-f556-gpm7 has a CVSS v3 base score of 9.8, published by GitHub Security Advisories.

Which products are affected by GHSA-q9q6-f556-gpm7?

GHSA-q9q6-f556-gpm7 affects 1 product, including: npm/starkbank-ecdsa:\u003c 1.1.3.

GHSA-q9q6-f556-gpm7CriticalCVSS 9.8

Improper Verification of Cryptographic Signature in starkbank-ecdsa

Vendor

GitHub Security Advisories

Published

November 10, 2021

Last Modified

February 1, 2023

🔗 CVE IDs covered (1)

CVE-2021-43571 →

📋 Description

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.

🎯 Affected products1

npm/starkbank-ecdsa:< 1.1.3

🔗 References (4)

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