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nvd-json-data-feeds/CVE-2018/CVE-2018-108xx/CVE-2018-10853.json

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{
"id": "CVE-2018-10853",
"sourceIdentifier": "secalert@redhat.com",
"published": "2018-09-11T14:29:01.630",
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"lastModified": "2024-11-21T03:42:08.677",
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"vulnStatus": "Modified",
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"cveTags": [],
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"descriptions": [
{
"lang": "en",
"value": "A flaw was found in the way Linux kernel KVM hypervisor before 4.18 emulated instructions such as sgdt/sidt/fxsave/fxrstor. It did not check current privilege(CPL) level while emulating unprivileged instructions. An unprivileged guest user/process could use this flaw to potentially escalate privileges inside guest."
},
{
"lang": "es",
"value": "Se ha encontrado un error en la forma en la que el hipervisor KVM del kernel de Linux en versiones anteriores a la 4.18 emulaba instrucciones como sgdt/sidt/fxsave/fxrstor. No comprob\u00f3 el nivel de privilegios actual (CPL) al emular instrucciones sin privilegios. Un usuario invitado o un proceso sin privilegios podr\u00edan emplear este error para escalar sus privilegios en el invitado."
}
],
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{
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"source": "secalert@redhat.com",
"type": "Secondary",
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"cvssData": {
"version": "3.0",
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"vectorString": "CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H",
"baseScore": 7.0,
"baseSeverity": "HIGH",
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"attackVector": "LOCAL",
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"attackComplexity": "HIGH",
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"privilegesRequired": "LOW",
"userInteraction": "NONE",
"scope": "UNCHANGED",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
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"availabilityImpact": "HIGH"
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},
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"exploitabilityScore": 1.0,
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"impactScore": 5.9
},
{
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"source": "nvd@nist.gov",
"type": "Primary",
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"cvssData": {
"version": "3.0",
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"vectorString": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"baseScore": 7.8,
"baseSeverity": "HIGH",
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"attackVector": "LOCAL",
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"attackComplexity": "LOW",
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"privilegesRequired": "LOW",
"userInteraction": "NONE",
"scope": "UNCHANGED",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
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"availabilityImpact": "HIGH"
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},
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"exploitabilityScore": 1.8,
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"impactScore": 5.9
}
],
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"baseScore": 4.6,
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"accessVector": "LOCAL",
"accessComplexity": "LOW",
"authentication": "NONE",
"confidentialityImpact": "PARTIAL",
"integrityImpact": "PARTIAL",
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"availabilityImpact": "PARTIAL"
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},
"baseSeverity": "MEDIUM",
"exploitabilityScore": 3.9,
"impactScore": 6.4,
"acInsufInfo": false,
"obtainAllPrivilege": false,
"obtainUserPrivilege": false,
"obtainOtherPrivilege": false,
"userInteractionRequired": false
}
]
},
"weaknesses": [
{
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"source": "secalert@redhat.com",
"type": "Secondary",
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"description": [
{
"lang": "en",
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"value": "CWE-250"
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}
]
},
{
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"source": "nvd@nist.gov",
"type": "Primary",
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"description": [
{
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"value": "CWE-269"
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}
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}
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}
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