Vulnerability Details CVE-2020-6018
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.057
EPSS Ranking 89.9%
CVSS Severity
CVSS v3 Score 9.8
CVSS v2 Score 7.5
References
- https://github.com/ValveSoftware/GameNetworkingSockets/commit/bea84e2844b647532a9b7fbc3a6a8989d66e49e3
- https://research.checkpoint.com/2020/game-on-finding-vulnerabilities-in-valves-steam-sockets/
- https://github.com/ValveSoftware/GameNetworkingSockets/commit/bea84e2844b647532a9b7fbc3a6a8989d66e49e3
- https://research.checkpoint.com/2020/game-on-finding-vulnerabilities-in-valves-steam-sockets/
Products affected by CVE-2020-6018
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cpe:2.3:a:valvesoftware:game_networking_sockets:-
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cpe:2.3:a:valvesoftware:game_networking_sockets:1.0.0
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cpe:2.3:a:valvesoftware:game_networking_sockets:1.1.0