CVE-2020-14966

Katalog CVE

CVSS 7.5 · High EPSS 1,1%

Kerentanan Improper Verification of Cryptographic Signature pada kjur jsrsasign, netapp max data. Skor CVSS 3.1 7.5 (High) menurut NVD.

Deskripsi (NVD)

An issue was discovered in the jsrsasign package through 8.0.18 for Node.js. It allows a malleability in ECDSA signatures by not checking overflows in the length of a sequence and '0' characters appended or prepended to an integer. The modified signatures are verified as valid. This could have a security-relevant impact if an application relied on a single canonical signature.

Rincian

Terbit di NVD

22 Juni 2020

Terakhir diubah

22 Juni 2026

Status NVD

Modified

CVSS 3.1

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

Jenis kelemahan (CWE)

CWE-347: Improper Verification of Cryptographic Signature

EPSS (30 hari)

1,1% peluang dieksploitasi; lebih tinggi dari 65,4% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://github.com/kjur/jsrsasign/issues/437 exploit · issue tracking · advisory pihak ketiga
• https://github.com/kjur/jsrsasign/releases/tag/8.0.17 release notes · advisory pihak ketiga
• https://github.com/kjur/jsrsasign/releases/tag/8.0.18 release notes · advisory pihak ketiga
• https://kjur.github.io/jsrsasign/ release notes · advisory pihak ketiga
• https://security.netapp.com/advisory/ntap-20200724-0001/ advisory pihak ketiga
• https://www.npmjs.com/package/jsrsasign product · advisory pihak ketiga