CVE-2019-14859

Katalog CVE

CVSS 9.1 · Critical EPSS 1,5%

Kerentanan Improper Verification of Cryptographic Signature pada python-ecdsa project python-ecdsa, redhat ceph storage +2 lainnya. Skor CVSS 3.1 9.1 (Critical) menurut NVD.

Deskripsi (NVD)

A flaw was found in all python-ecdsa versions before 0.13.3, where it did not correctly verify whether signatures used DER encoding. Without this verification, a malformed signature could be accepted, making the signature malleable. Without proper verification, an attacker could use a malleable signature to create false transactions.

Rincian

Terbit di NVD

2 Januari 2020

Terakhir diubah

17 Juni 2026

Status NVD

Modified

CVSS 3.1

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

Jenis kelemahan (CWE)

CWE-347: Improper Verification of Cryptographic Signature

EPSS (30 hari)

1,5% peluang dieksploitasi; lebih tinggi dari 74,1% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-14859 exploit · issue tracking · patch · advisory pihak ketiga
• https://github.com/warner/python-ecdsa/issues/114 exploit · advisory pihak ketiga
• https://github.com/warner/python-ecdsa/releases/tag/python-ecdsa-0.13.3 release notes · advisory pihak ketiga
• https://pypi.org/project/ecdsa/0.13.3/ release notes · advisory pihak ketiga