gsd-2020-1025
Vulnerability from gsd
Modified
2023-12-13 01:21
Details
An elevation of privilege vulnerability exists when Microsoft SharePoint Server and Skype for Business Server improperly handle OAuth token validation, aka 'Microsoft Office Elevation of Privilege Vulnerability'.
Aliases
Aliases
{
"GSD": {
"alias": "CVE-2020-1025",
"description": "An elevation of privilege vulnerability exists when Microsoft SharePoint Server and Skype for Business Server improperly handle OAuth token validation, aka \u0027Microsoft Office Elevation of Privilege Vulnerability\u0027.",
"id": "GSD-2020-1025"
},
"gsd": {
"metadata": {
"exploitCode": "unknown",
"remediation": "unknown",
"reportConfidence": "confirmed",
"type": "vulnerability"
},
"osvSchema": {
"aliases": [
"CVE-2020-1025"
],
"details": "An elevation of privilege vulnerability exists when Microsoft SharePoint Server and Skype for Business Server improperly handle OAuth token validation, aka \u0027Microsoft Office Elevation of Privilege Vulnerability\u0027.",
"id": "GSD-2020-1025",
"modified": "2023-12-13T01:21:58.669157Z",
"schema_version": "1.4.0"
}
},
"namespaces": {
"cve.org": {
"CVE_data_meta": {
"ASSIGNER": "secure@microsoft.com",
"ID": "CVE-2020-1025",
"STATE": "PUBLIC"
},
"affects": {
"vendor": {
"vendor_data": [
{
"product": {
"product_data": [
{
"product_name": "Skype for Business Server 2019 CU2",
"version": {
"version_data": [
{
"version_affected": "\u003c",
"version_name": "7.0.0",
"version_value": "publication"
}
]
}
},
{
"product_name": "Skype for Business Server 2015 CU 8",
"version": {
"version_data": [
{
"version_affected": "\u003c",
"version_name": "2015 CU 8",
"version_value": "publication"
}
]
}
},
{
"product_name": "Microsoft Lync Server 2013",
"version": {
"version_data": [
{
"version_affected": "\u003c",
"version_name": "0",
"version_value": "publication"
}
]
}
},
{
"product_name": "Microsoft SharePoint Enterprise Server 2016",
"version": {
"version_data": [
{
"version_affected": "\u003c",
"version_name": "16.0.0",
"version_value": "publication"
}
]
}
},
{
"product_name": "Microsoft SharePoint Server 2019",
"version": {
"version_data": [
{
"version_affected": "\u003c",
"version_name": "16.0.0",
"version_value": "publication"
}
]
}
},
{
"product_name": "Microsoft SharePoint Foundation 2013 Service Pack 1",
"version": {
"version_data": [
{
"version_affected": "\u003c",
"version_name": "15.0.0",
"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 when Microsoft SharePoint Server and Skype for Business Server improperly handle OAuth token validation. An attacker who successfully exploited the vulnerability could bypass authentication and achieve improper access.\u003c/p\u003e\n\u003cp\u003eTo exploit this vulnerability, an attacker would need to modify the token.\u003c/p\u003e\n\u003cp\u003eThe update addresses the vulnerability by modifying how Microsoft SharePoint Server and Skype for Business Server validate tokens.\u003c/p\u003e\n"
}
]
},
"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-2020-1025",
"refsource": "MISC",
"url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1025"
}
]
}
},
"nvd.nist.gov": {
"cve": {
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:microsoft:lync:2013:*:*:*:*:*:*:*",
"matchCriteriaId": "57F4F185-8709-4846-B017-A09C7A0D58B8",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:sharepoint_enterprise_server:2016:*:*:*:*:*:*:*",
"matchCriteriaId": "9C082CC4-6128-475D-BC19-B239E348FDB2",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:sharepoint_foundation:2013:sp1:*:*:*:*:*:*",
"matchCriteriaId": "F71184B1-7461-4A05-A5D2-03D9EDDC30D5",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:sharepoint_server:2019:*:*:*:*:*:*:*",
"matchCriteriaId": "6122D014-5BF1-4AF4-8B4D-80205ED7785E",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:skype_for_business:2015:cumulative_update_8:*:*:*:*:*:*",
"matchCriteriaId": "9CE0C9B4-FCB1-4A31-84DA-09756C93FDAD",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:skype_for_business:2019:cumulative_update_2:*:*:*:*:*:*",
"matchCriteriaId": "38ABD417-45D5-4212-BC19-929B71E6D1D2",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "\u003cp\u003eAn elevation of privilege vulnerability exists when Microsoft SharePoint Server and Skype for Business Server improperly handle OAuth token validation. An attacker who successfully exploited the vulnerability could bypass authentication and achieve improper access.\u003c/p\u003e\n\u003cp\u003eTo exploit this vulnerability, an attacker would need to modify the token.\u003c/p\u003e\n\u003cp\u003eThe update addresses the vulnerability by modifying how Microsoft SharePoint Server and Skype for Business Server validate tokens.\u003c/p\u003e\n"
},
{
"lang": "es",
"value": "Se presenta una vulnerabilidad de elevaci\u00f3n de privilegios cuando Microsoft SharePoint Server y Skype for Business Server manejan inapropiadamente la comprobaci\u00f3n de del token de OAuth, tambi\u00e9n se conoce como \"Microsoft Office Elevation of Privilege Vulnerability\""
}
],
"id": "CVE-2020-1025",
"lastModified": "2024-01-09T20:15:42.577",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": false,
"baseSeverity": "HIGH",
"cvssData": {
"accessComplexity": "LOW",
"accessVector": "NETWORK",
"authentication": "NONE",
"availabilityImpact": "PARTIAL",
"baseScore": 7.5,
"confidentialityImpact": "PARTIAL",
"integrityImpact": "PARTIAL",
"vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
"version": "2.0"
},
"exploitabilityScore": 10.0,
"impactScore": 6.4,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"source": "nvd@nist.gov",
"type": "Primary",
"userInteractionRequired": false
}
],
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 9.8,
"baseSeverity": "CRITICAL",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
},
"exploitabilityScore": 3.9,
"impactScore": 5.9,
"source": "nvd@nist.gov",
"type": "Primary"
}
]
},
"published": "2020-07-14T23:15:11.447",
"references": [
{
"source": "secure@microsoft.com",
"tags": [
"Patch",
"Vendor Advisory"
],
"url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1025"
}
],
"sourceIdentifier": "secure@microsoft.com",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-20"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
}
}
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- 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.