CVE-2020-6017

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 unreliable segments in function SNP_ReceiveUnreliableSegment() when configured to support plain-text messages, leading to a Heap-Based Buffer Overflow and resulting in a memory corruption and possibly even a remote code execution.

Rincian

Terbit di NVD

3 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/e0c86dcb9139771db3db0cfdb1fb8bef0af19c43 patch · advisory pihak ketiga
• https://research.checkpoint.com/2020/game-on-finding-vulnerabilities-in-valves-steam-sockets/ exploit · advisory pihak ketiga