CVE-2020-6018

Katalog CVE

CVSS 9.8 · Critical EPSS 3,2%

Kerentanan Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') pada valvesoftware game networking sockets. Skor CVSS 3.1 9.8 (Critical) menurut NVD.

Deskripsi (NVD)

Valve's Game Networking Sockets prior to version v1.2.0 improperly handles long encrypted messages in function AES_GCM_DecryptContext::Decrypt() when compiled using libsodium, leading to a Stack-Based Buffer Overflow and resulting in a memory corruption and possibly even a remote code execution.

Rincian

Terbit di NVD

2 Desember 2020

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-120: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
CWE-787: Out-of-bounds Write

EPSS (30 hari)

3,2% peluang dieksploitasi; lebih tinggi dari 87,9% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://github.com/ValveSoftware/GameNetworkingSockets/commit/bea84e2844b647532a9b7fbc3a6a8989d66e49e3 patch · advisory pihak ketiga
• https://research.checkpoint.com/2020/game-on-finding-vulnerabilities-in-valves-steam-sockets/ exploit · advisory pihak ketiga