CVE-2020-6017 | BDVDB-2026-145371 Detail

Game Networking Sockets

Description#

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.

Impact#

No impact statement in the source data.

Weaknesses#

CWE-120 Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

References#

https://github.com/ValveSoftware/GameNetworkingSockets/commit/e0c86dcb9139771db3db0cfdb1fb8bef0af19c43
https://research.checkpoint.com/2020/game-on-finding-vulnerabilities-in-valves-steam-sockets/

Exploit#

No public exploit known

History#

Version 12020-12-03Record published in the CVE List.
Version 22024-08-04Most recent update recorded in the CVE List.