CVE-2020-6017

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.

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/e0c86dcb9139771db3db0cfdb1fb8bef0af19c43	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

No history.

Information

Published : 2020-12-03 14:15

Updated : 2024-02-28 18:08

NVD link : CVE-2020-6017

Mitre link : CVE-2020-6017

CVE.ORG link : CVE-2020-6017

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')

{"id": "CVE-2020-6017", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 7.5, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "authentication": "NONE", "integrityImpact": "PARTIAL", "accessComplexity": "LOW", "availabilityImpact": "PARTIAL", "confidentialityImpact": "PARTIAL"}, "acInsufInfo": false, "impactScore": 6.4, "baseSeverity": "HIGH", "obtainAllPrivilege": false, "exploitabilityScore": 10.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 9.8, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 3.9}]}, "published": "2020-12-03T14:15:11.020", "references": [{"url": "https://github.com/ValveSoftware/GameNetworkingSockets/commit/e0c86dcb9139771db3db0cfdb1fb8bef0af19c43", "tags": ["Patch", "Third Party Advisory"], "source": "cve@checkpoint.com"}, {"url": "https://research.checkpoint.com/2020/game-on-finding-vulnerabilities-in-valves-steam-sockets/", "tags": ["Exploit", "Third Party Advisory"], "source": "cve@checkpoint.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-787"}]}, {"type": "Secondary", "source": "cve@checkpoint.com", "description": [{"lang": "en", "value": "CWE-120"}]}], "descriptions": [{"lang": "en", "value": "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."}, {"lang": "es", "value": "Game Networking Sockets de Valve versiones anteriores a v1.2.0, manejan de manera inapropiada segmentos largos y no confiables en la funci\u00f3n SNP_ReceiveUnreliableSegment() cuando est\u00e1n configurados para admitir mensajes de texto plano, conllevando a un desbordamiento del b\u00fafer en la regi\u00f3n heap de la memoria y resultando en una corrupci\u00f3n de la memoria y posiblemente incluso en una ejecuci\u00f3n de c\u00f3digo remota"}], "lastModified": "2022-04-12T16:19:16.723", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:valvesoftware:game_networking_sockets:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "8CB71176-D705-4517-81B9-97A557278890", "versionEndExcluding": "1.2.0"}], "operator": "OR"}]}], "sourceIdentifier": "cve@checkpoint.com"}