gsd-2020-0839
Vulnerability from gsd
Modified
2023-12-13 01:21
Details
An elevation of privilege vulnerability exists in the way that the dnsrslvr.dll handles objects in memory, aka 'Windows dnsrslvr.dll Elevation of Privilege Vulnerability'.
Aliases
Aliases
{
"GSD": {
"alias": "CVE-2020-0839",
"description": "An elevation of privilege vulnerability exists in the way that the dnsrslvr.dll handles objects in memory, aka \u0027Windows dnsrslvr.dll Elevation of Privilege Vulnerability\u0027.",
"id": "GSD-2020-0839"
},
"gsd": {
"metadata": {
"exploitCode": "unknown",
"remediation": "unknown",
"reportConfidence": "confirmed",
"type": "vulnerability"
},
"osvSchema": {
"aliases": [
"CVE-2020-0839"
],
"details": "An elevation of privilege vulnerability exists in the way that the dnsrslvr.dll handles objects in memory, aka \u0027Windows dnsrslvr.dll Elevation of Privilege Vulnerability\u0027.",
"id": "GSD-2020-0839",
"modified": "2023-12-13T01:21:45.279499Z",
"schema_version": "1.4.0"
}
},
"namespaces": {
"cve.org": {
"CVE_data_meta": {
"ASSIGNER": "secure@microsoft.com",
"ID": "CVE-2020-0839",
"STATE": "PUBLIC"
},
"affects": {
"vendor": {
"vendor_data": [
{
"product": {
"product_data": [
{
"product_name": "Windows 10 Version 2004",
"version": {
"version_data": [
{
"version_affected": "\u003c",
"version_name": "10.0.0",
"version_value": "publication"
}
]
}
},
{
"product_name": "Windows Server version 2004",
"version": {
"version_data": [
{
"version_affected": "\u003c",
"version_name": "10.0.0",
"version_value": "publication"
}
]
}
},
{
"product_name": "Windows 10 Version 1803",
"version": {
"version_data": [
{
"version_affected": "\u003c",
"version_name": "10.0.0",
"version_value": "publication"
}
]
}
},
{
"product_name": "Windows 10 Version 1809",
"version": {
"version_data": [
{
"version_affected": "\u003c",
"version_name": "10.0.0",
"version_value": "publication"
}
]
}
},
{
"product_name": "Windows Server 2019",
"version": {
"version_data": [
{
"version_affected": "\u003c",
"version_name": "10.0.0",
"version_value": "publication"
}
]
}
},
{
"product_name": "Windows Server 2019 (Server Core installation)",
"version": {
"version_data": [
{
"version_affected": "\u003c",
"version_name": "10.0.0",
"version_value": "publication"
}
]
}
},
{
"product_name": "Windows 10 Version 1909",
"version": {
"version_data": [
{
"version_affected": "\u003c",
"version_name": "10.0.0",
"version_value": "publication"
}
]
}
},
{
"product_name": "Windows Server, version 1909 (Server Core installation)",
"version": {
"version_data": [
{
"version_affected": "\u003c",
"version_name": "10.0.0",
"version_value": "publication"
}
]
}
},
{
"product_name": "Windows 10 Version 1709 for 32-bit Systems",
"version": {
"version_data": [
{
"version_affected": "\u003c",
"version_name": "10.0.0",
"version_value": "publication"
}
]
}
},
{
"product_name": "Windows 10 Version 1709",
"version": {
"version_data": [
{
"version_affected": "\u003c",
"version_name": "10.0.0",
"version_value": "publication"
}
]
}
},
{
"product_name": "Windows 10 Version 1903 for 32-bit Systems",
"version": {
"version_data": [
{
"version_affected": "\u003c",
"version_name": "10.0.0",
"version_value": "publication"
}
]
}
},
{
"product_name": "Windows 10 Version 1903 for x64-based Systems",
"version": {
"version_data": [
{
"version_affected": "\u003c",
"version_name": "10.0.0",
"version_value": "publication"
}
]
}
},
{
"product_name": "Windows 10 Version 1903 for ARM64-based Systems",
"version": {
"version_data": [
{
"version_affected": "\u003c",
"version_name": "10.0.0",
"version_value": "publication"
}
]
}
},
{
"product_name": "Windows Server, version 1903 (Server Core installation)",
"version": {
"version_data": [
{
"version_affected": "\u003c",
"version_name": "10.0.0",
"version_value": "publication"
}
]
}
},
{
"product_name": "Windows 10 Version 1507",
"version": {
"version_data": [
{
"version_affected": "\u003c",
"version_name": "10.0.0",
"version_value": "publication"
}
]
}
},
{
"product_name": "Windows 10 Version 1607",
"version": {
"version_data": [
{
"version_affected": "\u003c",
"version_name": "10.0.0",
"version_value": "publication"
}
]
}
},
{
"product_name": "Windows Server 2016",
"version": {
"version_data": [
{
"version_affected": "\u003c",
"version_name": "10.0.0",
"version_value": "publication"
}
]
}
},
{
"product_name": "Windows Server 2016 (Server Core installation)",
"version": {
"version_data": [
{
"version_affected": "\u003c",
"version_name": "10.0.0",
"version_value": "publication"
}
]
}
}
]
},
"vendor_name": "Microsoft"
}
]
}
},
"data_format": "MITRE",
"data_type": "CVE",
"data_version": "4.0",
"description": {
"description_data": [
{
"lang": "eng",
"value": "\u003cp\u003eAn elevation of privilege vulnerability exists in the way that the dnsrslvr.dll handles objects in memory. An attacker who successfully exploited the vulnerability could execute code with elevated permissions.\u003c/p\u003e\n\u003cp\u003eTo exploit the vulnerability, a locally authenticated attacker could run a specially crafted application.\u003c/p\u003e\n\u003cp\u003eThe security update addresses the vulnerability by ensuring the dnsrslvr.dll properly handles objects in memory.\u003c/p\u003e\n"
}
]
},
"impact": {
"cvss": [
{
"baseScore": 7.8,
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C",
"version": "3.1"
}
]
},
"problemtype": {
"problemtype_data": [
{
"description": [
{
"lang": "eng",
"value": "Elevation of Privilege"
}
]
}
]
},
"references": {
"reference_data": [
{
"name": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-0839",
"refsource": "MISC",
"url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-0839"
}
]
}
},
"nvd.nist.gov": {
"cve": {
"configurations": [
{
"nodes": [
{
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"criteria": "cpe:2.3:o:microsoft:windows_10:-:*:*:*:*:*:x64:*",
"matchCriteriaId": "084984D5-D241-497B-B118-50C6C1EAD468",
"vulnerable": true
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"criteria": "cpe:2.3:o:microsoft:windows_10:-:*:*:*:*:*:x86:*",
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"negate": false,
"operator": "OR"
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],
"descriptions": [
{
"lang": "en",
"value": "\u003cp\u003eAn elevation of privilege vulnerability exists in the way that the dnsrslvr.dll handles objects in memory. An attacker who successfully exploited the vulnerability could execute code with elevated permissions.\u003c/p\u003e\n\u003cp\u003eTo exploit the vulnerability, a locally authenticated attacker could run a specially crafted application.\u003c/p\u003e\n\u003cp\u003eThe security update addresses the vulnerability by ensuring the dnsrslvr.dll properly handles objects in memory.\u003c/p\u003e\n"
},
{
"lang": "es",
"value": "Se presenta una vulnerabilidad de escalada de privilegios en la manera en que la biblioteca dnsrslvr.dll maneja objetos en memoria, tambi\u00e9n se conoce como \"Windows dnsrslvr.dll Elevation of Privilege Vulnerability\""
}
],
"id": "CVE-2020-0839",
"lastModified": "2023-12-31T22:15:45.577",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": false,
"baseSeverity": "MEDIUM",
"cvssData": {
"accessComplexity": "LOW",
"accessVector": "LOCAL",
"authentication": "NONE",
"availabilityImpact": "PARTIAL",
"baseScore": 4.6,
"confidentialityImpact": "PARTIAL",
"integrityImpact": "PARTIAL",
"vectorString": "AV:L/AC:L/Au:N/C:P/I:P/A:P",
"version": "2.0"
},
"exploitabilityScore": 3.9,
"impactScore": 6.4,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"source": "nvd@nist.gov",
"type": "Primary",
"userInteractionRequired": false
}
],
"cvssMetricV31": [
{
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"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 7.8,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
"exploitabilityScore": 1.8,
"impactScore": 5.9,
"source": "secure@microsoft.com",
"type": "Primary"
},
{
"cvssData": {
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"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 7.8,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
"exploitabilityScore": 1.8,
"impactScore": 5.9,
"source": "nvd@nist.gov",
"type": "Secondary"
}
]
},
"published": "2020-09-11T17:15:14.137",
"references": [
{
"source": "secure@microsoft.com",
"tags": [
"Patch",
"Vendor Advisory"
],
"url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-0839"
}
],
"sourceIdentifier": "secure@microsoft.com",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "NVD-CWE-noinfo"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
}
}
}
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- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.