CVE-2020-6018

Source
https://cve.org/CVERecord?id=CVE-2020-6018
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-6018.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2020-6018
Published
2020-12-02T01:15:12.967Z
Modified
2026-02-13T08:43:02.307193Z
Severity
  • 9.8 (Critical) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
Summary
[none]
Details

Valve's Game Networking Sockets prior to version v1.2.0 improperly handles long encrypted messages in function AESGCMDecryptContext::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.

References

Affected packages

Git / github.com/valvesoftware/gamenetworkingsockets

Affected ranges

Type
GIT
Repo
https://github.com/valvesoftware/gamenetworkingsockets
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed

Affected versions

1.*
1.0.0
v1.*
v1.1.0

Database specific

source
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-6018.json"