What is GHSA-r28h-x6hv-2fq3?

GHSA-r28h-x6hv-2fq3 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-r28h-x6hv-2fq3 cover?

GHSA-r28h-x6hv-2fq3 covers the following CVE IDs: CVE-2021-43570. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-r28h-x6hv-2fq3?

GHSA-r28h-x6hv-2fq3 has a CVSS v3 base score of 9.8, published by GitHub Security Advisories.

Which products are affected by GHSA-r28h-x6hv-2fq3?

GHSA-r28h-x6hv-2fq3 affects 1 product, including: maven/com.starkbank.ellipticcurve:starkbank-ecdsa:\u003c 1.0.1.

GHSA-r28h-x6hv-2fq3CriticalCVSS 9.8

Improper Verification of Cryptographic Signature in starkbank-ecdsa

Vendor

GitHub Security Advisories

Published

November 10, 2021

Last Modified

January 20, 2025

🔗 CVE IDs covered (1)

CVE-2021-43570 →

📋 Description

The verify function in the Stark Bank Java ECDSA library (ecdsa-java) 1.0.0 fails to check that the signature is non-zero, which allows attackers to forge signatures on arbitrary messages.

🎯 Affected products1

maven/com.starkbank.ellipticcurve:starkbank-ecdsa:< 1.0.1

🔗 References (6)

https://nvd.nist.gov/vuln/detail/CVE-2021-43570
https://github.com/starkbank/ecdsa-java/releases/tag/v1.0.1
https://github.com/starkbank/ecdsa-java/pull/16
https://github.com/starkbank/ecdsa-java/commit/ed22e484186d6c66d3686bfe39d01bdbabf219b6
https://research.nccgroup.com/2021/11/08/technical-advisory-arbitrary-signature-forgery-in-stark-bank-ecdsa-libraries
https://github.com/advisories/GHSA-r28h-x6hv-2fq3