« Volver al listado

CVE-2015-7850

Estado: ModificadaMedia (6.5)—

ntpd in NTP 4.2.x before 4.2.8p4, and 4.3.x before 4.3.77 allows remote authenticated users to cause a denial of service (infinite loop or crash) by pointing the key file at the log file.

CVSS

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

Tecnologías afectadas (7)

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2015-7850",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 4,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:S/C:N/I:N/A:P",
          "authentication": "SINGLE",
          "integrityImpact": "NONE",
          "accessComplexity": "LOW",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "NONE"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 6.5,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 2.8
      }
    ]
  },
  "affected": [
    {
      "source": "cve@mitre.org",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2017-08-07T20:29:00.823",
  "references": [
    {
      "url": "http://support.ntp.org/bin/view/Main/NtpBug2917",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.debian.org/security/2015/dsa-3388",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.securityfocus.com/bid/77279",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.securitytracker.com/id/1033951",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1274258",
      "tags": [
        "Issue Tracking",
        "Third Party Advisory",
        "VDB Entry"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "https://security.gentoo.org/glsa/201607-15",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "https://security.netapp.com/advisory/ntap-20171004-0001/",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "http://support.ntp.org/bin/view/Main/NtpBug2917",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.debian.org/security/2015/dsa-3388",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.securityfocus.com/bid/77279",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.securitytracker.com/id/1033951",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1274258",
      "tags": [
        "Issue Tracking",
        "Third Party Advisory",
        "VDB Entry"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://security.gentoo.org/glsa/201607-15",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://security.netapp.com/advisory/ntap-20171004-0001/",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-835"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "ntpd in NTP 4.2.x before 4.2.8p4, and 4.3.x before 4.3.77 allows remote authenticated users to cause a denial of service (infinite loop or crash) by pointing the key file at the log file."
    },
    {
      "lang": "es",
      "value": "ntpd en NTP 4.2.x en versiones anteriores a la 4.2.8p4, y 4.3.x en versiones anteriores a la 4.3.77 permite que usuarios remotos autenticados provoquen una denegación de servicio (bucle infinito o caída del sistema) apuntando al archivo de claves en el archivo de log."
    }
  ],
  "lastModified": "2026-06-17T00:33:15.517",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:ntp:ntp:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "C240BAAB-8C12-4501-9DC6-FB877304E908",
              "versionEndExcluding": "4.2.8",
              "versionStartIncluding": "4.2.0"
            },
            {
              "criteria": "cpe:2.3:a:ntp:ntp:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "79494F07-6081-497D-8A2D-B05486599EAE",
              "versionEndExcluding": "4.3.77",
              "versionStartIncluding": "4.3.0"
            },
            {
              "criteria": "cpe:2.3:a:ntp:ntp:4.2.8:-:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "EEA51D83-5841-4335-AF07-7A43C118CAAE"
            },
            {
              "criteria": "cpe:2.3:a:ntp:ntp:4.2.8:p1:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "C855BBD2-2B38-4EFF-9DBE-CA61CCACD0DE"
            },
            {
              "criteria": "cpe:2.3:a:ntp:ntp:4.2.8:p1-beta1:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "49ADE0C3-F75C-4EC0-8805-56013F0EB92C"
            },
            {
              "criteria": "cpe:2.3:a:ntp:ntp:4.2.8:p1-beta2:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "D8FF625A-EFA3-43D1-8698-4A37AE31A07C"
            },
            {
              "criteria": "cpe:2.3:a:ntp:ntp:4.2.8:p1-beta3:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "E3B99BBD-97FE-4615-905A-A614592226F8"
            },
            {
              "criteria": "cpe:2.3:a:ntp:ntp:4.2.8:p1-beta4:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "E7A9AD3A-F030-4331-B52A-518BD963AB8A"
            },
            {
              "criteria": "cpe:2.3:a:ntp:ntp:4.2.8:p1-beta5:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "C293B8BE-6691-4944-BCD6-25EB98CABC73"
            },
            {
              "criteria": "cpe:2.3:a:ntp:ntp:4.2.8:p1-rc1:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "CEA650F8-2576-494A-A861-61572CA319D0"
            },
            {
              "criteria": "cpe:2.3:a:ntp:ntp:4.2.8:p1-rc2:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "4ED21EE8-7CBF-4BC5-BFC3-185D41296238"
            },
            {
              "criteria": "cpe:2.3:a:ntp:ntp:4.2.8:p2:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "C76A0B44-13DE-4173-8D05-DA54F6A71759"
            },
            {
              "criteria": "cpe:2.3:a:ntp:ntp:4.2.8:p2-rc1:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "1450241C-2F6D-4122-B33C-D78D065BA403"
            },
            {
              "criteria": "cpe:2.3:a:ntp:ntp:4.2.8:p2-rc2:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "721AFD22-91D3-488E-A5E6-DD84C86E412B"
            },
            {
              "criteria": "cpe:2.3:a:ntp:ntp:4.2.8:p2-rc3:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "8D6ADDB1-2E96-4FF6-AE95-4B06654D38B0"
            },
            {
              "criteria": "cpe:2.3:a:ntp:ntp:4.2.8:p3:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "41E44E9F-6383-4E12-AEDC-B653FEA77A48"
            },
            {
              "criteria": "cpe:2.3:a:ntp:ntp:4.2.8:p3-rc1:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "466D9A37-2658-4695-9429-0C6BF4A631C2"
            },
            {
              "criteria": "cpe:2.3:a:ntp:ntp:4.2.8:p3-rc2:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "99774181-5F12-446C-AC2C-DB1C52295EED"
            },
            {
              "criteria": "cpe:2.3:a:ntp:ntp:4.2.8:p3-rc3:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "4427EE6D-3F79-4FF5-B3EC-EE6BD01562CE"
            }
          ],
          "operator": "OR"
        }
      ]
    },
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "16F59A04-14CF-49E2-9973-645477EA09DA"
            },
            {
              "criteria": "cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "C11E6FB0-C8C0-4527-9AA0-CB9B316F8F43"
            },
            {
              "criteria": "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "DEECE5FC-CACF-4496-A3E7-164736409252"
            }
          ],
          "operator": "OR"
        }
      ]
    },
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:netapp:oncommand_balance:-:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "7DCBCC5D-C396-47A8-ADF4-D3A2C4377FB1"
            },
            {
              "criteria": "cpe:2.3:a:netapp:oncommand_performance_manager:-:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "212E1878-1B9A-4CB4-A1CE-EAD60B867161"
            },
            {
              "criteria": "cpe:2.3:a:netapp:oncommand_unified_manager:-:*:*:*:*:clustered_data_ontap:*:*",
              "vulnerable": true,
              "matchCriteriaId": "95B173E0-1475-4F8D-A982-86F36BE3DD4A"
            },
            {
              "criteria": "cpe:2.3:o:netapp:clustered_data_ontap:-:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "1FED6CAE-D97F-49E0-9D00-1642A3A427B4"
            },
            {
              "criteria": "cpe:2.3:o:netapp:data_ontap:-:*:*:*:*:7-mode:*:*",
              "vulnerable": true,
              "matchCriteriaId": "392A1364-2739-450D-9E19-DFF93081C2C6"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "cve@mitre.org"
}