2024-12-08 03:06:42 +00:00

159 lines
4.4 KiB
JSON

{
"id": "CVE-2018-7542",
"sourceIdentifier": "cve@mitre.org",
"published": "2018-02-27T19:29:00.700",
"lastModified": "2024-11-21T04:12:19.917",
"vulnStatus": "Modified",
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "An issue was discovered in Xen 4.8.x through 4.10.x allowing x86 PVH guest OS users to cause a denial of service (NULL pointer dereference and hypervisor crash) by leveraging the mishandling of configurations that lack a Local APIC."
},
{
"lang": "es",
"value": "Se ha descubierto un problema en Xen 4.8.x hasta la versi\u00f3n 4.10.x que permite que los usuarios invitados x86 PVH del sistema operativo provoquen una denegaci\u00f3n de servicio (desreferencia de puntero NULL y cierre inesperado del hipervisor) aprovechando la gesti\u00f3n incorrecta de configuraciones que carecen de una APIC local."
}
],
"metrics": {
"cvssMetricV30": [
{
"source": "nvd@nist.gov",
"type": "Primary",
"cvssData": {
"version": "3.0",
"vectorString": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H",
"baseScore": 6.5,
"baseSeverity": "MEDIUM",
"attackVector": "LOCAL",
"attackComplexity": "LOW",
"privilegesRequired": "LOW",
"userInteraction": "NONE",
"scope": "CHANGED",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"availabilityImpact": "HIGH"
},
"exploitabilityScore": 2.0,
"impactScore": 4.0
}
],
"cvssMetricV2": [
{
"source": "nvd@nist.gov",
"type": "Primary",
"cvssData": {
"version": "2.0",
"vectorString": "AV:L/AC:L/Au:N/C:N/I:N/A:C",
"baseScore": 4.9,
"accessVector": "LOCAL",
"accessComplexity": "LOW",
"authentication": "NONE",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"availabilityImpact": "COMPLETE"
},
"baseSeverity": "MEDIUM",
"exploitabilityScore": 3.9,
"impactScore": 6.9,
"acInsufInfo": false,
"obtainAllPrivilege": false,
"obtainUserPrivilege": false,
"obtainOtherPrivilege": false,
"userInteractionRequired": false
}
]
},
"weaknesses": [
{
"source": "nvd@nist.gov",
"type": "Primary",
"description": [
{
"lang": "en",
"value": "CWE-476"
}
]
}
],
"configurations": [
{
"nodes": [
{
"operator": "OR",
"negate": false,
"cpeMatch": [
{
"vulnerable": true,
"criteria": "cpe:2.3:o:xen:xen:*:*:*:*:*:*:*:*",
"versionStartIncluding": "4.8.0",
"versionEndIncluding": "4.10.0",
"matchCriteriaId": "FB660954-E0FB-4763-9462-8AE2475E0E59"
}
]
}
]
},
{
"nodes": [
{
"operator": "OR",
"negate": false,
"cpeMatch": [
{
"vulnerable": true,
"criteria": "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*",
"matchCriteriaId": "DEECE5FC-CACF-4496-A3E7-164736409252"
}
]
}
]
}
],
"references": [
{
"url": "http://www.securitytracker.com/id/1040776",
"source": "cve@mitre.org"
},
{
"url": "https://security.gentoo.org/glsa/201810-06",
"source": "cve@mitre.org"
},
{
"url": "https://www.debian.org/security/2018/dsa-4131",
"source": "cve@mitre.org",
"tags": [
"Third Party Advisory"
]
},
{
"url": "https://xenbits.xen.org/xsa/advisory-256.html",
"source": "cve@mitre.org",
"tags": [
"Vendor Advisory"
]
},
{
"url": "http://www.securitytracker.com/id/1040776",
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://security.gentoo.org/glsa/201810-06",
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://www.debian.org/security/2018/dsa-4131",
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Third Party Advisory"
]
},
{
"url": "https://xenbits.xen.org/xsa/advisory-256.html",
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Vendor Advisory"
]
}
]
}