CVE-2019-5609

{"containers": {"cna": {"affected": [{"product": "FreeBSD", "vendor": "n/a", "versions": [{"status": "affected", "version": "before 12.0-RELEASE-p9"}, {"status": "affected", "version": "before 11.3-RELEASE-p2"}, {"status": "affected", "version": "and before 11.2-RELEASE-p13"}]}], "descriptions": [{"lang": "en", "value": "In FreeBSD 12.0-STABLE before r350619, 12.0-RELEASE before 12.0-RELEASE-p9, 11.3-STABLE before r350619, 11.3-RELEASE before 11.3-RELEASE-p2, and 11.2-RELEASE before 11.2-RELEASE-p13, the bhyve e1000 device emulation used a guest-provided value to determine the size of the on-stack buffer without validation when TCP segmentation offload is requested for a transmitted packet. A misbehaving bhyve guest could overwrite memory in the bhyve process on the host."}], "problemTypes": [{"descriptions": [{"description": "Improper input validation", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2019-09-10T14:06:14.000Z", "orgId": "63664ac6-956c-4cba-a5d0-f46076e16109", "shortName": "freebsd"}, "references": [{"tags": ["x_refsource_CONFIRM"], "url": "https://security.FreeBSD.org/advisories/FreeBSD-SA-19:21.bhyve.asc"}, {"tags": ["x_refsource_CONFIRM"], "url": "https://security.netapp.com/advisory/ntap-20190910-0002/"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "secteam@freebsd.org", "ID": "CVE-2019-5609", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "FreeBSD", "version": {"version_data": [{"version_value": "before 12.0-RELEASE-p9"}, {"version_value": "before 11.3-RELEASE-p2"}, {"version_value": "and before 11.2-RELEASE-p13"}]}}]}, "vendor_name": "n/a"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "In FreeBSD 12.0-STABLE before r350619, 12.0-RELEASE before 12.0-RELEASE-p9, 11.3-STABLE before r350619, 11.3-RELEASE before 11.3-RELEASE-p2, and 11.2-RELEASE before 11.2-RELEASE-p13, the bhyve e1000 device emulation used a guest-provided value to determine the size of the on-stack buffer without validation when TCP segmentation offload is requested for a transmitted packet. A misbehaving bhyve guest could overwrite memory in the bhyve process on the host."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "Improper input validation"}]}]}, "references": {"reference_data": [{"name": "https://security.FreeBSD.org/advisories/FreeBSD-SA-19:21.bhyve.asc", "refsource": "CONFIRM", "url": "https://security.FreeBSD.org/advisories/FreeBSD-SA-19:21.bhyve.asc"}, {"name": "https://security.netapp.com/advisory/ntap-20190910-0002/", "refsource": "CONFIRM", "url": "https://security.netapp.com/advisory/ntap-20190910-0002/"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T20:01:51.639Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://security.FreeBSD.org/advisories/FreeBSD-SA-19:21.bhyve.asc"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://security.netapp.com/advisory/ntap-20190910-0002/"}]}]}, "cveMetadata": {"assignerOrgId": "63664ac6-956c-4cba-a5d0-f46076e16109", "assignerShortName": "freebsd", "cveId": "CVE-2019-5609", "datePublished": "2019-08-29T21:54:42.000Z", "dateReserved": "2019-01-07T00:00:00.000Z", "dateUpdated": "2024-08-04T20:01:51.639Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

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A misbehaving bhyve guest could overwrite memory in the bhyve process on the host."}, {"lang": "es", "value": "En FreeBSD versiones 12.0-STABLE anteriores a r350619, versiones 12.0-RELEASE anteriores a 12.0-RELEASE-p9, versiones 11.3-STABLE anteriores a r350619, versiones 11.3-RELEASE anteriores a 11.3-RELEASE-p2, y versiones 11.2-RELEASE anteriores a 11.2-RELEASE-p13, la emulaci\u00f3n del dispositivo bhyve e1000 utiliz\u00f3 un valor proporcionado por el invitado para determinar el tama\u00f1o del b\u00fafer en la pila sin comprobaci\u00f3n de cuando es requerida la descarga de segmentaci\u00f3n TCP para un paquete transmitido. Un invitado bhyve con un comportamiento inapropiado podr\u00eda sobrescribir la memoria en el proceso bhyve sobre el host."}], "id": "CVE-2019-5609", "lastModified": "2026-06-17T02:37:56.150", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 6.4, "confidentialityImpact": "NONE", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:L/Au:N/C:N/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 4.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2019-08-30T09:15:20.770", "references": [{"source": "secteam@freebsd.org", "tags": ["Patch", "Vendor Advisory"], "url": "https://security.FreeBSD.org/advisories/FreeBSD-SA-19:21.bhyve.asc"}, {"source": "secteam@freebsd.org", "tags": ["Third Party Advisory"], "url": "https://security.netapp.com/advisory/ntap-20190910-0002/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Vendor Advisory"], "url": "https://security.FreeBSD.org/advisories/FreeBSD-SA-19:21.bhyve.asc"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://security.netapp.com/advisory/ntap-20190910-0002/"}], "sourceIdentifier": "secteam@freebsd.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-787"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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