{
  "id": "CVE-2016-9952",
  "sourceIdentifier": "cve@mitre.org",
  "published": "2018-03-12T21:29:00.500",
  "lastModified": "2023-12-15T19:06:18.803",
  "vulnStatus": "Analyzed",
  "descriptions": [
    {
      "lang": "en",
      "value": "The verify_certificate function in lib/vtls/schannel.c in libcurl 7.30.0 through 7.51.0, when built for Windows CE using the schannel TLS backend, makes it easier for remote attackers to conduct man-in-the-middle attacks via a crafted wildcard SAN in a server certificate, as demonstrated by \"*.com.\""
    },
    {
      "lang": "es",
      "value": "La funci\u00f3n verify_certificate en lib/vtls/schannel.c en libcurl, desde la versi\u00f3n 7.30.0 hasta la 7.51.0, cuando se construye para Windows CE usando el backend TLS schannel, facilita la ejecuci\u00f3n de ataques Man-in-the-Middle (MitM) por parte de atacantes remotos mediante un wildcard SAN manipulado en un certificado de servidor, tal y como demuestra \"*.com\"."
    }
  ],
  "metrics": {
    "cvssMetricV30": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "3.0",
          "vectorString": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "attackVector": "NETWORK",
          "attackComplexity": "HIGH",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "availabilityImpact": "HIGH",
          "baseScore": 8.1,
          "baseSeverity": "HIGH"
        },
        "exploitabilityScore": 2.2,
        "impactScore": 5.9
      }
    ],
    "cvssMetricV2": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "2.0",
          "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P",
          "accessVector": "NETWORK",
          "accessComplexity": "MEDIUM",
          "authentication": "NONE",
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "PARTIAL",
          "availabilityImpact": "PARTIAL",
          "baseScore": 6.8
        },
        "baseSeverity": "MEDIUM",
        "exploitabilityScore": 8.6,
        "impactScore": 6.4,
        "acInsufInfo": false,
        "obtainAllPrivilege": false,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ]
  },
  "weaknesses": [
    {
      "source": "nvd@nist.gov",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-295"
        }
      ]
    }
  ],
  "configurations": [
    {
      "operator": "AND",
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:haxx:curl:*:*:*:*:*:*:*:*",
              "versionStartIncluding": "7.30.0",
              "versionEndIncluding": "7.51.0",
              "matchCriteriaId": "25ACEC30-625F-46E6-8F95-5550CEA47EF8"
            }
          ]
        },
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": false,
              "criteria": "cpe:2.3:o:microsoft:windows_embedded_compact:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "48927A5E-B938-4D59-84E1-4C05AA80F69C"
            }
          ]
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://curl.haxx.se/CVE-2016-9952.patch",
      "source": "cve@mitre.org",
      "tags": [
        "Vendor Advisory"
      ]
    },
    {
      "url": "https://curl.haxx.se/docs/adv_20161221B.html",
      "source": "cve@mitre.org",
      "tags": [
        "Vendor Advisory"
      ]
    }
  ]
}