CVE-2020-6016

Katalog CVE

CVSS 9.8 · Critical EPSS 6,0%

Kerentanan Free of Memory not on the Heap 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 unreliable segments with negative offsets in function SNP_ReceiveUnreliableSegment(), leading to a Heap-Based Buffer Underflow and a free() of memory not from the heap, resulting in a memory corruption and probably even a remote code execution.

Rincian

Terbit di NVD

18 November 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-590: Free of Memory not on the Heap
CWE-787: Out-of-bounds Write

EPSS (30 hari)

6,0% peluang dieksploitasi; lebih tinggi dari 93,1% 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