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122 lines
3.7 KiB
JSON
122 lines
3.7 KiB
JSON
{
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"id": "CVE-2017-10921",
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"sourceIdentifier": "cve@mitre.org",
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"published": "2017-07-05T01:29:00.860",
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"lastModified": "2019-10-03T00:03:26.223",
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"vulnStatus": "Modified",
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"descriptions": [
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{
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"lang": "en",
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"value": "The grant-table feature in Xen through 4.8.x does not ensure sufficient type counts for a GNTMAP_device_map and GNTMAP_host_map mapping, which allows guest OS users to cause a denial of service (count mismanagement and memory corruption) or obtain privileged host OS access, aka XSA-224 bug 2."
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},
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{
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"lang": "es",
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"value": "La caracter\u00edstica de tabla grant en Xen, hasta las versiones 4.8.x, no asegura que se realicen los conteos de tipos suficientes para un mapeo de GNTMAP_device_map y GNTMAP_host_map, lo que permite que los usuarios invitados del sistema operativo provoquen una denegaci\u00f3n de servicio (mala gesti\u00f3n del conteo y corrupci\u00f3n de memoria) u obtengan privilegios de acceso al sistema operativo anfitri\u00f3n. Esto tambi\u00e9n se conoce como XSA-224, fallo 2."
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}
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],
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"metrics": {
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"cvssMetricV30": [
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{
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"source": "nvd@nist.gov",
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"type": "Primary",
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"cvssData": {
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"version": "3.0",
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"vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H",
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"attackVector": "NETWORK",
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"attackComplexity": "LOW",
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"privilegesRequired": "NONE",
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"userInteraction": "NONE",
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"scope": "CHANGED",
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"confidentialityImpact": "HIGH",
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"integrityImpact": "HIGH",
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"availabilityImpact": "HIGH",
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"baseScore": 10.0,
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"baseSeverity": "CRITICAL"
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},
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"exploitabilityScore": 3.9,
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"impactScore": 6.0
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}
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],
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"cvssMetricV2": [
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{
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"source": "nvd@nist.gov",
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"type": "Primary",
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"cvssData": {
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"version": "2.0",
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"vectorString": "AV:N/AC:L/Au:N/C:C/I:C/A:C",
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"accessVector": "NETWORK",
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"accessComplexity": "LOW",
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"authentication": "NONE",
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"confidentialityImpact": "COMPLETE",
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"integrityImpact": "COMPLETE",
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"availabilityImpact": "COMPLETE",
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"baseScore": 10.0
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},
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"baseSeverity": "HIGH",
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"exploitabilityScore": 10.0,
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"impactScore": 10.0,
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"acInsufInfo": false,
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"obtainAllPrivilege": false,
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"obtainUserPrivilege": false,
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"obtainOtherPrivilege": false,
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"userInteractionRequired": false
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}
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]
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},
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"weaknesses": [
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{
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"source": "nvd@nist.gov",
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"type": "Primary",
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"description": [
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{
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"lang": "en",
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"value": "CWE-119"
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}
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]
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}
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],
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"configurations": [
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{
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"nodes": [
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{
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"operator": "OR",
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"negate": false,
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"cpeMatch": [
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:xen:xen:*:*:*:*:*:*:*:*",
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"versionEndIncluding": "4.8.1",
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"matchCriteriaId": "7494A471-EEFC-44F4-96B1-FDBA3B780313"
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}
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]
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}
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]
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}
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],
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"references": [
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{
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"url": "http://www.debian.org/security/2017/dsa-3969",
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"source": "cve@mitre.org"
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},
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{
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"url": "http://www.securitytracker.com/id/1038734",
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"source": "cve@mitre.org"
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},
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{
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"url": "https://security.gentoo.org/glsa/201708-03",
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"source": "cve@mitre.org"
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},
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{
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"url": "https://security.gentoo.org/glsa/201710-17",
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"source": "cve@mitre.org"
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},
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{
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"url": "https://xenbits.xen.org/xsa/advisory-224.html",
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"source": "cve@mitre.org",
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"tags": [
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"Patch",
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"Vendor Advisory"
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]
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}
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]
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} |