CVE-2020-6016

{"containers": {"cna": {"affected": [{"product": "Game Networking Sockets", "vendor": "n/a", "versions": [{"status": "affected", "version": "All versions prior to v1.2.0"}]}], "descriptions": [{"lang": "en", "value": "Valve's Game Networking Sockets prior to version v1.2.0 improperly handles unreliable segments with negative offsets in function SNP_ReceiveUnreliableSegment(), leading to a Heap-Based Buffer Underflow and a free() of memory not from the heap, resulting in a memory corruption and probably even a remote code execution."}], "problemTypes": [{"descriptions": [{"cweId": "CWE-590", "description": "CWE-590: Free of Memory not on the Heap", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"dateUpdated": "2020-12-10T20:52:23.000Z", "orgId": "897c38be-0345-43cd-b6cf-fe179e0c4f45", "shortName": "checkpoint"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://github.com/ValveSoftware/GameNetworkingSockets/commit/e0c86dcb9139771db3db0cfdb1fb8bef0af19c43"}, {"tags": ["x_refsource_MISC"], "url": "https://research.checkpoint.com/2020/game-on-finding-vulnerabilities-in-valves-steam-sockets/"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "cve@checkpoint.com", "ID": "CVE-2020-6016", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "Game Networking Sockets", "version": {"version_data": [{"version_value": "All versions prior to v1.2.0"}]}}]}, "vendor_name": "n/a"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "Valve's Game Networking Sockets prior to version v1.2.0 improperly handles unreliable segments with negative offsets in function SNP_ReceiveUnreliableSegment(), leading to a Heap-Based Buffer Underflow and a free() of memory not from the heap, resulting in a memory corruption and probably even a remote code execution."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "CWE-590: Free of Memory not on the Heap"}]}]}, "references": {"reference_data": [{"name": "https://github.com/ValveSoftware/GameNetworkingSockets/commit/e0c86dcb9139771db3db0cfdb1fb8bef0af19c43", "refsource": "MISC", "url": "https://github.com/ValveSoftware/GameNetworkingSockets/commit/e0c86dcb9139771db3db0cfdb1fb8bef0af19c43"}, {"name": "https://research.checkpoint.com/2020/game-on-finding-vulnerabilities-in-valves-steam-sockets/", "refsource": "MISC", "url": "https://research.checkpoint.com/2020/game-on-finding-vulnerabilities-in-valves-steam-sockets/"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T08:47:41.048Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://github.com/ValveSoftware/GameNetworkingSockets/commit/e0c86dcb9139771db3db0cfdb1fb8bef0af19c43"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://research.checkpoint.com/2020/game-on-finding-vulnerabilities-in-valves-steam-sockets/"}]}]}, "cveMetadata": {"assignerOrgId": "897c38be-0345-43cd-b6cf-fe179e0c4f45", "assignerShortName": "checkpoint", "cveId": "CVE-2020-6016", "datePublished": "2020-11-18T14:11:49.000Z", "dateReserved": "2020-01-07T00:00:00.000Z", "dateUpdated": "2024-08-04T08:47:41.048Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

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{"affected": [{"affectedData": [{"product": "Game Networking Sockets", "vendor": "n/a", "versions": [{"status": "affected", "version": "All versions prior to v1.2.0"}]}], "source": "cve@checkpoint.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:valvesoftware:game_networking_sockets:*:*:*:*:*:*:*:*", "matchCriteriaId": "8CB71176-D705-4517-81B9-97A557278890", "versionEndExcluding": "1.2.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Valve's Game Networking Sockets prior to version v1.2.0 improperly handles unreliable segments with negative offsets in function SNP_ReceiveUnreliableSegment(), leading to a Heap-Based Buffer Underflow and a free() of memory not from the heap, resulting in a memory corruption and probably even a remote code execution."}, {"lang": "es", "value": "Game Networking Sockets de Valve versiones anteriores a v1.2.0, manejan inapropiadamente segmentos no confiables con compensaciones negativas en la funci\u00f3n SNP_ReceiveUnreliableSegment(), conllevando a un subdesbordamiento de b\u00fafer en la regi\u00f3n heap de la memoria y una free() de memoria que no proviene de la pila, resultando en una corrupci\u00f3n de memoria y probablemente incluso una ejecuci\u00f3n de c\u00f3digo remota"}], "id": "CVE-2020-6016", "lastModified": "2026-06-17T03:22:35.753", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "COMPLETE", "baseScore": 10.0, "confidentialityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "vectorString": "AV:N/AC:L/Au:N/C:C/I:C/A:C", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 10.0, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2020-11-18T15:15:13.193", "references": [{"source": "cve@checkpoint.com", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/ValveSoftware/GameNetworkingSockets/commit/e0c86dcb9139771db3db0cfdb1fb8bef0af19c43"}, {"source": "cve@checkpoint.com", "tags": ["Exploit", "Third Party Advisory"], "url": "https://research.checkpoint.com/2020/game-on-finding-vulnerabilities-in-valves-steam-sockets/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/ValveSoftware/GameNetworkingSockets/commit/e0c86dcb9139771db3db0cfdb1fb8bef0af19c43"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Third Party Advisory"], "url": "https://research.checkpoint.com/2020/game-on-finding-vulnerabilities-in-valves-steam-sockets/"}], "sourceIdentifier": "cve@checkpoint.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-590"}], "source": "cve@checkpoint.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-787"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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