CVE-2023-33241: gg18 project gg18 +1 lainnya

csirt@kutim:~/threat-intel/cve/CVE-2023-33241

CVSS 9.1 · Critical EPSS 1,2%

Kerentanan Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection') pada gg18 project gg18, gg20 project gg20. Skor CVSS 3.1 9.1 (Critical) menurut NVD.

Deskripsi (NVD)

Crypto wallets implementing the GG18 or GG20 TSS protocol might allow an attacker to extract a full ECDSA private key by injecting a malicious pallier key and cheating in the range proof. Depending on the Beta parameters chosen in the protocol implementation, the attack might require 16 signatures or more fully exfiltrate the other parties' private key shares.

Rincian

Terbit di NVD: 9 Agustus 2023
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-74: Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')
EPSS (30 hari): 1,2% peluang dieksploitasi; lebih tinggi dari 66,9% CVE lain

Produk dan versi terdampak

Vendor	Produk	Versi terdampak
gg18 project	gg18	Semua versi
gg20 project	gg20	Semua versi

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

https://eprint.iacr.org/2019/114.pdf exploit · advisory pihak ketiga
https://eprint.iacr.org/2020/540.pdf exploit · advisory pihak ketiga
https://www.fireblocks.com/blog/gg18-and-gg20-paillier-key-vulnerability-technical-report/ advisory pihak ketiga
https://github.com/fireblocks-labs/mpc-ecdsa-attacks-23 exploit
https://github.com/fireblocks-labs/safeheron-gg20-exploit-poc exploit

Sumber: NVD · CVE.org · EPSS. Halaman ini disusun otomatis dari data tersebut; pembaruan terakhir 5 Okt 2026, 20:10 WITA. Kalau sistem di Perangkat Daerah memakai produk ini dan butuh bantuan, laporkan lewat kanal pelaporan.