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FKIE_CVE-2016-7429

Vulnerability from fkie_nvd - Published: 2017-01-13 16:59 - Updated: 2026-06-17 00:53
Summary
NTP before 4.2.8p9 changes the peer structure to the interface it receives the response from a source, which allows remote attackers to cause a denial of service (prevent communication with a source) by sending a response for a source to an interface the source does not use.
References
cve@mitre.orghttp://nwtime.org/ntp428p9_release/Release Notes, Vendor Advisory
cve@mitre.orghttp://rhn.redhat.com/errata/RHSA-2017-0252.html
cve@mitre.orghttp://support.ntp.org/bin/view/Main/NtpBug3072Issue Tracking, Mitigation, Vendor Advisory
cve@mitre.orghttp://support.ntp.org/bin/view/Main/SecurityNotice#Recent_VulnerabilitiesVendor Advisory
cve@mitre.orghttp://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html
cve@mitre.orghttp://www.securityfocus.com/bid/94453
cve@mitre.orghttp://www.securitytracker.com/id/1037354
cve@mitre.orghttps://bto.bluecoat.com/security-advisory/sa139
cve@mitre.orghttps://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbux03706en_us
cve@mitre.orghttps://www.kb.cert.org/vuls/id/633847Third Party Advisory, US Government Resource
af854a3a-2127-422b-91ae-364da2661108http://nwtime.org/ntp428p9_release/Release Notes, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108http://rhn.redhat.com/errata/RHSA-2017-0252.html
af854a3a-2127-422b-91ae-364da2661108http://support.ntp.org/bin/view/Main/NtpBug3072Issue Tracking, Mitigation, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108http://support.ntp.org/bin/view/Main/SecurityNotice#Recent_VulnerabilitiesVendor Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/94453
af854a3a-2127-422b-91ae-364da2661108http://www.securitytracker.com/id/1037354
af854a3a-2127-422b-91ae-364da2661108https://bto.bluecoat.com/security-advisory/sa139
af854a3a-2127-422b-91ae-364da2661108https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbux03706en_us
af854a3a-2127-422b-91ae-364da2661108https://www.kb.cert.org/vuls/id/633847Third Party Advisory, US Government Resource
Impacted products
Vendor Product Version
ntp ntp *

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "source": "cve@mitre.org"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:ntp:ntp:*:p8:*:*:*:*:*:*",
              "matchCriteriaId": "72A23255-B135-4A4C-A2BA-A93026C0F520",
              "versionEndIncluding": "4.2.8",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "NTP before 4.2.8p9 changes the peer structure to the interface it receives the response from a source, which allows remote attackers to cause a denial of service (prevent communication with a source) by sending a response for a source to an interface the source does not use."
    },
    {
      "lang": "es",
      "value": "NTP en versiones anteriores a 4.2.8p9 cambia la estructura de los pares a la interfaz que recibe la respuesta de una fuente, lo que permite a atacantes remotos provocar una denegaci\u00f3n de servicio (prevenir la comunicaci\u00f3n con una fuente) enviando una respuesta para una fuente a una interfaz que la fuente no utiliza."
    }
  ],
  "id": "CVE-2016-7429",
  "lastModified": "2026-06-17T00:53:03.273",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "MEDIUM",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 4.3,
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:P",
          "version": "2.0"
        },
        "exploitabilityScore": 8.6,
        "impactScore": 2.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV30": [
      {
        "cvssData": {
          "attackComplexity": "HIGH",
          "attackVector": "NETWORK",
          "availabilityImpact": "LOW",
          "baseScore": 3.7,
          "baseSeverity": "LOW",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L",
          "version": "3.0"
        },
        "exploitabilityScore": 2.2,
        "impactScore": 1.4,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2017-01-13T16:59:00.433",
  "references": [
    {
      "source": "cve@mitre.org",
      "tags": [
        "Release Notes",
        "Vendor Advisory"
      ],
      "url": "http://nwtime.org/ntp428p9_release/"
    },
    {
      "source": "cve@mitre.org",
      "url": "http://rhn.redhat.com/errata/RHSA-2017-0252.html"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Issue Tracking",
        "Mitigation",
        "Vendor Advisory"
      ],
      "url": "http://support.ntp.org/bin/view/Main/NtpBug3072"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "http://support.ntp.org/bin/view/Main/SecurityNotice#Recent_Vulnerabilities"
    },
    {
      "source": "cve@mitre.org",
      "url": "http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html"
    },
    {
      "source": "cve@mitre.org",
      "url": "http://www.securityfocus.com/bid/94453"
    },
    {
      "source": "cve@mitre.org",
      "url": "http://www.securitytracker.com/id/1037354"
    },
    {
      "source": "cve@mitre.org",
      "url": "https://bto.bluecoat.com/security-advisory/sa139"
    },
    {
      "source": "cve@mitre.org",
      "url": "https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US\u0026docId=emr_na-hpesbux03706en_us"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Third Party Advisory",
        "US Government Resource"
      ],
      "url": "https://www.kb.cert.org/vuls/id/633847"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Release Notes",
        "Vendor Advisory"
      ],
      "url": "http://nwtime.org/ntp428p9_release/"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://rhn.redhat.com/errata/RHSA-2017-0252.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Issue Tracking",
        "Mitigation",
        "Vendor Advisory"
      ],
      "url": "http://support.ntp.org/bin/view/Main/NtpBug3072"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "http://support.ntp.org/bin/view/Main/SecurityNotice#Recent_Vulnerabilities"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://www.securityfocus.com/bid/94453"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://www.securitytracker.com/id/1037354"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://bto.bluecoat.com/security-advisory/sa139"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US\u0026docId=emr_na-hpesbux03706en_us"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory",
        "US Government Resource"
      ],
      "url": "https://www.kb.cert.org/vuls/id/633847"
    }
  ],
  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-18"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}



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