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.

CVSS v3 9.8 CRITICAL
CVSS v2.0 7.5 HIGH

9.8^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

7.5^/10

CVSS v2.0 : HIGH

Vector : AV:N/AC:L/Au:N/C:P/I:P/A:P

Exploitability : 10.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://github.com/ValveSoftware/GameNetworkingSockets/commit/bea84e2844b647532a9b7fbc3a6a8989d66e49e3	Patch Third Party Advisory
https://research.checkpoint.com/2020/game-on-finding-vulnerabilities-in-valves-steam-sockets/	Exploit Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:valvesoftware:game_networking_sockets:*:*:*:*:*:*:*:*

History

12 Apr 2022, 16:19

Type	Values Removed	Values Added
References	~~(MISC) https://research.checkpoint.com/2020/game-on-finding-vulnerabilities-in-valves-steam-sockets/ -~~	(MISC) https://research.checkpoint.com/2020/game-on-finding-vulnerabilities-in-valves-steam-sockets/ - Exploit, Third Party Advisory

Information

Published : 2020-12-02 01:15

Updated : 2023-12-10 13:41

NVD link : CVE-2020-6018

Mitre link : CVE-2020-6018

CVE.ORG link : CVE-2020-6018

JSON object : View

Products Affected

valvesoftware

game_networking_sockets

CWE

CWE-787

Out-of-bounds Write

CWE-120

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

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