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CVE-2020-6016

CRITICAL

9.8

Description

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.

CVE Details

CVSS v3.1 Score9.8

SeverityCRITICAL

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionNONE

Published11/18/2020

Last Modified11/21/2024

Sourcenvd

Honeypot Sightings0

Affected Products

valvesoftware:game_networking_sockets

Weaknesses (CWE)

CWE-590CWE-787

References

https://github.com/ValveSoftware/GameNetworkingSockets/commit/e0c86dcb9139771db3db0cfdb1fb8bef0af19c43(cve@checkpoint.com)

https://research.checkpoint.com/2020/game-on-finding-vulnerabilities-in-valves-steam-sockets/(cve@checkpoint.com)

https://github.com/ValveSoftware/GameNetworkingSockets/commit/e0c86dcb9139771db3db0cfdb1fb8bef0af19c43(af854a3a-2127-422b-91ae-364da2661108)

https://research.checkpoint.com/2020/game-on-finding-vulnerabilities-in-valves-steam-sockets/(af854a3a-2127-422b-91ae-364da2661108)

IOC Correlations

No correlations recorded

This product uses data from the NVD API but is not endorsed or certified by the NVD.