CVE-2017-8495

{"containers": {"cna": {"affected": [{"product": "Microsoft Windows 7 SP1, Windows Server 2008 SP2 and R2 SP1, Windows 8.1 and Windows RT 8.1, Windows Server 2012 and R2, Windows 10 Gold, 1511, 1607, and 1703, and Windows Server 2016.", "vendor": "Microsoft Corporation", "versions": [{"status": "affected", "version": "Microsoft Windows"}]}], "datePublic": "2017-07-11T00:00:00.000Z", "descriptions": [{"lang": "en", "value": "Microsoft Windows 7 SP1, Windows Server 2008 SP2 and R2 SP1, Windows 8.1 and Windows RT 8.1, Windows Server 2012 and R2, Windows 10 Gold, 1511, 1607, and 1703, and Windows Server 2016 allows an attacker to bypass Extended Protection for Authentication when Kerberos fails to prevent tampering with the SNAME field during ticket exchange, aka \"Kerberos SNAME Security Feature Bypass Vulnerability\" or Orpheus' Lyre."}], "problemTypes": [{"descriptions": [{"description": "Security Feature Bypass", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2017-07-13T15:57:01.000Z", "orgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8", "shortName": "microsoft"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://www.orpheus-lyre.info/"}, {"tags": ["x_refsource_CONFIRM"], "url": "https://portal.msrc.microsoft.com/en-us/security-guidance/advisory/CVE-2017-8495"}, {"name": "99424", "tags": ["vdb-entry", "x_refsource_BID"], "url": "http://www.securityfocus.com/bid/99424"}, {"name": "1038862", "tags": ["vdb-entry", "x_refsource_SECTRACK"], "url": "http://www.securitytracker.com/id/1038862"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "secure@microsoft.com", "DATE_PUBLIC": "2017-07-11T00:00:00", "ID": "CVE-2017-8495", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "Microsoft Windows 7 SP1, Windows Server 2008 SP2 and R2 SP1, Windows 8.1 and Windows RT 8.1, Windows Server 2012 and R2, Windows 10 Gold, 1511, 1607, and 1703, and Windows Server 2016.", "version": {"version_data": [{"version_value": "Microsoft Windows"}]}}]}, "vendor_name": "Microsoft Corporation"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "Microsoft Windows 7 SP1, Windows Server 2008 SP2 and R2 SP1, Windows 8.1 and Windows RT 8.1, Windows Server 2012 and R2, Windows 10 Gold, 1511, 1607, and 1703, and Windows Server 2016 allows an attacker to bypass Extended Protection for Authentication when Kerberos fails to prevent tampering with the SNAME field during ticket exchange, aka \"Kerberos SNAME Security Feature Bypass Vulnerability\" or Orpheus' Lyre."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "Security Feature Bypass"}]}]}, "references": {"reference_data": [{"name": "https://www.orpheus-lyre.info/", "refsource": "MISC", "url": "https://www.orpheus-lyre.info/"}, {"name": "https://portal.msrc.microsoft.com/en-us/security-guidance/advisory/CVE-2017-8495", "refsource": "CONFIRM", "url": "https://portal.msrc.microsoft.com/en-us/security-guidance/advisory/CVE-2017-8495"}, {"name": "99424", "refsource": "BID", "url": "http://www.securityfocus.com/bid/99424"}, {"name": "1038862", "refsource": "SECTRACK", "url": "http://www.securitytracker.com/id/1038862"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-05T16:34:23.205Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://www.orpheus-lyre.info/"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://portal.msrc.microsoft.com/en-us/security-guidance/advisory/CVE-2017-8495"}, {"name": "99424", "tags": ["vdb-entry", "x_refsource_BID", "x_transferred"], "url": "http://www.securityfocus.com/bid/99424"}, {"name": "1038862", "tags": ["vdb-entry", "x_refsource_SECTRACK", "x_transferred"], "url": "http://www.securitytracker.com/id/1038862"}]}]}, "cveMetadata": {"assignerOrgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8", "assignerShortName": "microsoft", "cveId": "CVE-2017-8495", "datePublished": "2017-07-11T21:00:00.000Z", "dateReserved": "2017-05-03T00:00:00.000Z", "dateUpdated": "2024-09-16T18:34:48.946Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

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{"criteria": "cpe:2.3:o:microsoft:windows_7:*:sp1:*:*:*:*:*:*", "matchCriteriaId": "7519928D-0FF2-4584-8058-4C7764CD5671", "vulnerable": true}, {"criteria": "cpe:2.3:o:microsoft:windows_8.1:*:*:*:*:*:*:*:*", "matchCriteriaId": "A7F51B5F-AA19-4D31-89FA-6DFAC4BA8F0F", "vulnerable": true}, {"criteria": "cpe:2.3:o:microsoft:windows_rt_8.1:*:*:*:*:*:*:*:*", "matchCriteriaId": "197E82CB-81AF-40F1-A55C-7B596891A783", "vulnerable": true}, {"criteria": "cpe:2.3:o:microsoft:windows_server_2008:*:sp2:*:*:*:*:*:*", "matchCriteriaId": "0C28897B-044A-447B-AD76-6397F8190177", "vulnerable": true}, {"criteria": "cpe:2.3:o:microsoft:windows_server_2008:r2:sp1:*:*:*:*:*:*", "matchCriteriaId": "2ACA9287-B475-4AF7-A4DA-A7143CEF9E57", "vulnerable": true}, {"criteria": "cpe:2.3:o:microsoft:windows_server_2012:*:*:*:*:*:*:*:*", "matchCriteriaId": "80EB5690-B20F-457A-A202-FBADAA17E05C", "vulnerable": true}, {"criteria": "cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:*", "matchCriteriaId": "DB18C4CE-5917-401E-ACF7-2747084FD36E", "vulnerable": true}, {"criteria": "cpe:2.3:o:microsoft:windows_server_2016:*:*:*:*:*:*:*:*", "matchCriteriaId": "AF6437F9-6631-49D3-A6C2-62329E278E31", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Microsoft Windows 7 SP1, Windows Server 2008 SP2 and R2 SP1, Windows 8.1 and Windows RT 8.1, Windows Server 2012 and R2, Windows 10 Gold, 1511, 1607, and 1703, and Windows Server 2016 allows an attacker to bypass Extended Protection for Authentication when Kerberos fails to prevent tampering with the SNAME field during ticket exchange, aka \"Kerberos SNAME Security Feature Bypass Vulnerability\" or Orpheus' Lyre."}, {"lang": "es", "value": "Microsoft Windows 7 SP1, Windows Server 2008 SP2 y R2 SP1, Windows 8.1 y Windows RT 8.1, Windows Server 2012 y R2, Windows 10 versiones Gold, 1511, 1607 y 1703, y Windows Server 2016, permiten a un atacante omitir la Protecci\u00f3n Ampliada para la Autenticaci\u00f3n cuando Kerberos no puede evitar la manipulaci\u00f3n del campo SNAME durante el intercambio de tickets, tambi\u00e9n se conoce como \"Kerberos SNAME Security Feature Bypass Vulnerability\" o Orpheus' Lyre."}], "id": "CVE-2017-8495", "lastModified": "2026-06-17T01:26:28.200", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "SINGLE", "availabilityImpact": "PARTIAL", "baseScore": 6.0, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:M/Au:S/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 6.8, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV30": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.0"}, "exploitabilityScore": 1.6, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2017-07-11T21:29:00.593", "references": [{"source": "secure@microsoft.com", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://www.securityfocus.com/bid/99424"}, {"source": "secure@microsoft.com", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://www.securitytracker.com/id/1038862"}, {"source": "secure@microsoft.com", "tags": ["Patch", "Vendor Advisory"], "url": "https://portal.msrc.microsoft.com/en-us/security-guidance/advisory/CVE-2017-8495"}, {"source": "secure@microsoft.com", "tags": ["Third Party Advisory"], "url": "https://www.orpheus-lyre.info/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://www.securityfocus.com/bid/99424"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://www.securitytracker.com/id/1038862"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Vendor Advisory"], "url": "https://portal.msrc.microsoft.com/en-us/security-guidance/advisory/CVE-2017-8495"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://www.orpheus-lyre.info/"}], "sourceIdentifier": "secure@microsoft.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-287"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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