CVE-2021-43568

Katalog CVE

CVSS 9.8 · Critical EPSS 1,1%

Kerentanan Improper Verification of Cryptographic Signature pada starkbank elixir ecdsa. Skor CVSS 3.1 9.8 (Critical) menurut NVD.

Deskripsi (NVD)

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

Rincian

Terbit di NVD

9 November 2021

Terakhir diubah

17 Juni 2026

Status NVD

Modified

CVSS 3.1

9.8 (Critical), sumber NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H · uraikan di kalkulator

Jenis kelemahan (CWE)

CWE-347: Improper Verification of Cryptographic Signature

EPSS (30 hari)

1,1% peluang dieksploitasi; lebih tinggi dari 63,5% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://github.com/starkbank/ecdsa-elixir/releases/tag/v1.0.1 advisory pihak ketiga
• https://research.nccgroup.com/2021/11/08/technical-advisory-arbitrary-signature-forgery-in-stark-bank-ecdsa-li... exploit · advisory pihak ketiga