CVE-2024-37880

Katalog CVE

CVSS 7.5 · High EPSS 0,70%

Kerentanan Observable Discrepancy pada pq-crystals kyber. Skor CVSS 3.1 7.5 (High) menurut NVD.

Deskripsi (NVD)

The Kyber reference implementation before 9b8d306, when compiled by LLVM Clang through 18.x with some common optimization options, has a timing side channel that allows attackers to recover an ML-KEM 512 secret key in minutes. This occurs because poly_frommsg in poly.c does not prevent Clang from emitting a vulnerable secret-dependent branch.

Rincian

Terbit di NVD

10 Juni 2024

Terakhir diubah

17 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:H/I:N/A:N · uraikan di kalkulator

Jenis kelemahan (CWE)

CWE-203: Observable Discrepancy

EPSS (30 hari)

0,70% peluang dieksploitasi; lebih tinggi dari 52,0% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://github.com/pq-crystals/kyber/commit/9b8d30698a3e7449aeb34e62339d4176f11e3c6c patch
• https://pqshield.com/pqshield-plugs-timing-leaks-in-kyber-ml-kem-to-improve-pqc-implementation-maturity/ exploit · advisory pihak ketiga
• https://github.com/antoonpurnal/clangover exploit
• https://twitter.com/purnaltoon/status/1797644696568959476 exploit
• https://news.ycombinator.com/item?id=40577486 not applicable