GSD-2017-8495

Vulnerability from gsd - Updated: 2023-12-13 01:21
Details
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.
Aliases
Aliases
CVE-2017-8495
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{
  "GSD": {
    "alias": "CVE-2017-8495",
    "description": "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\u0027 Lyre.",
    "id": "GSD-2017-8495",
    "references": [
      "https://www.suse.com/security/cve/CVE-2017-8495.html"
    ]
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2017-8495"
      ],
      "details": "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\u0027 Lyre.",
      "id": "GSD-2017-8495",
      "modified": "2023-12-13T01:21:08.278491Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
    "cve.org": {
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        "ASSIGNER": "secure@microsoft.com",
        "DATE_PUBLIC": "2017-07-11T00:00:00",
        "ID": "CVE-2017-8495",
        "STATE": "PUBLIC"
      },
      "affects": {
        "vendor": {
          "vendor_data": [
            {
              "product": {
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                  {
                    "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": [
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                          "version_value": "Microsoft Windows"
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          }
        ]
      },
      "problemtype": {
        "problemtype_data": [
          {
            "description": [
              {
                "lang": "eng",
                "value": "Security Feature Bypass"
              }
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          }
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      },
      "references": {
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            "refsource": "MISC",
            "url": "https://www.orpheus-lyre.info/"
          },
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          },
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            "refsource": "SECTRACK",
            "url": "http://www.securitytracker.com/id/1038862"
          }
        ]
      }
    },
    "nvd.nist.gov": {
      "configurations": {
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        "nodes": [
          {
            "children": [],
            "cpe_match": [
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                "cpe23Uri": "cpe:2.3:o:microsoft:windows_server_2008:*:sp2:*:*:*:*:*:*",
                "cpe_name": [],
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              },
              {
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                "cpe23Uri": "cpe:2.3:o:microsoft:windows_server_2012:*:*:*:*:*:*:*:*",
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            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "en",
                  "value": "CWE-287"
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        "references": {
          "reference_data": [
            {
              "name": "https://portal.msrc.microsoft.com/en-us/security-guidance/advisory/CVE-2017-8495",
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              "url": "https://portal.msrc.microsoft.com/en-us/security-guidance/advisory/CVE-2017-8495"
            },
            {
              "name": "1038862",
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              "tags": [
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              "url": "https://www.orpheus-lyre.info/"
            }
          ]
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      },
      "impact": {
        "baseMetricV2": {
          "cvssV2": {
            "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,
          "severity": "MEDIUM",
          "userInteractionRequired": false
        },
        "baseMetricV3": {
          "cvssV3": {
            "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
        }
      },
      "lastModifiedDate": "2017-07-17T15:06Z",
      "publishedDate": "2017-07-11T21:29Z"
    }
  }
}


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  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
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  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



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