2023-11-15 21:00:21 +00:00

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JSON

{
"id": "CVE-2021-31847",
"sourceIdentifier": "trellixpsirt@trellix.com",
"published": "2021-09-22T14:15:07.563",
"lastModified": "2023-11-15T20:42:21.317",
"vulnStatus": "Analyzed",
"descriptions": [
{
"lang": "en",
"value": "Improper access control vulnerability in the repair process for McAfee Agent for Windows prior to 5.7.4 could allow a local attacker to perform a DLL preloading attack using unsigned DLLs. This would result in elevation of privileges and the ability to execute arbitrary code as the system user, through not correctly protecting a temporary directory used in the repair process and not checking the DLL signature."
},
{
"lang": "es",
"value": "Una vulnerabilidad de control de acceso inapropiado en el proceso de reparaci\u00f3n de McAfee Agent para Windows versiones anteriores a 5.7.4, podr\u00eda permitir a un atacante local llevar a cabo un ataque de precarga de DLL usando DLL sin firmar. Esto dar\u00eda lugar a una elevaci\u00f3n de privilegios y a la posibilidad de ejecutar c\u00f3digo arbitrario como usuario del sistema, al no proteger correctamente un directorio temporal usado en el proceso de reparaci\u00f3n y no comprobar la firma de la DLL"
}
],
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"cvssMetricV31": [
{
"source": "nvd@nist.gov",
"type": "Primary",
"cvssData": {
"version": "3.1",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
"attackVector": "LOCAL",
"attackComplexity": "LOW",
"privilegesRequired": "NONE",
"userInteraction": "REQUIRED",
"scope": "UNCHANGED",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"availabilityImpact": "HIGH",
"baseScore": 7.8,
"baseSeverity": "HIGH"
},
"exploitabilityScore": 1.8,
"impactScore": 5.9
},
{
"source": "trellixpsirt@trellix.com",
"type": "Secondary",
"cvssData": {
"version": "3.1",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H",
"attackVector": "LOCAL",
"attackComplexity": "LOW",
"privilegesRequired": "LOW",
"userInteraction": "REQUIRED",
"scope": "CHANGED",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"availabilityImpact": "HIGH",
"baseScore": 8.2,
"baseSeverity": "HIGH"
},
"exploitabilityScore": 1.5,
"impactScore": 6.0
}
],
"cvssMetricV2": [
{
"source": "nvd@nist.gov",
"type": "Primary",
"cvssData": {
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"vectorString": "AV:L/AC:M/Au:N/C:C/I:C/A:C",
"accessVector": "LOCAL",
"accessComplexity": "MEDIUM",
"authentication": "NONE",
"confidentialityImpact": "COMPLETE",
"integrityImpact": "COMPLETE",
"availabilityImpact": "COMPLETE",
"baseScore": 6.9
},
"baseSeverity": "MEDIUM",
"exploitabilityScore": 3.4,
"impactScore": 10.0,
"acInsufInfo": false,
"obtainAllPrivilege": false,
"obtainUserPrivilege": false,
"obtainOtherPrivilege": false,
"userInteractionRequired": true
}
]
},
"weaknesses": [
{
"source": "nvd@nist.gov",
"type": "Primary",
"description": [
{
"lang": "en",
"value": "CWE-427"
}
]
},
{
"source": "trellixpsirt@trellix.com",
"type": "Secondary",
"description": [
{
"lang": "en",
"value": "CWE-269"
},
{
"lang": "en",
"value": "CWE-347"
}
]
}
],
"configurations": [
{
"nodes": [
{
"operator": "OR",
"negate": false,
"cpeMatch": [
{
"vulnerable": true,
"criteria": "cpe:2.3:a:mcafee:agent:*:*:*:*:*:windows:*:*",
"versionEndExcluding": "5.7.4",
"matchCriteriaId": "D3643699-06A5-4C9F-8FB4-D9A9F3C93977"
}
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],
"references": [
{
"url": "https://kc.mcafee.com/corporate/index?page=content&id=SB10369",
"source": "trellixpsirt@trellix.com",
"tags": [
"Broken Link"
]
},
{
"url": "https://www.zerodayinitiative.com/advisories/ZDI-21-1104/",
"source": "trellixpsirt@trellix.com",
"tags": [
"Third Party Advisory",
"VDB Entry"
]
}
]
}