CVE-2016-7429

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{"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&docId=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&docId=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"}]}

{"affected_release": [{"advisory": "RHSA-2017:0252", "cpe": "cpe:/o:redhat:enterprise_linux:6", "package": "ntp-0:4.2.6p5-10.el6_8.2", "product_name": "Red Hat Enterprise Linux 6", "release_date": "2017-02-06T00:00:00Z"}, {"advisory": "RHSA-2017:0252", "cpe": "cpe:/o:redhat:enterprise_linux:7", "package": "ntp-0:4.2.6p5-25.el7_3.1", "product_name": "Red Hat Enterprise Linux 7", "release_date": "2017-02-06T00:00:00Z"}], "bugzilla": {"description": "ntp: Attack on interface selection", "id": "1397341", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1397341"}, "csaw": false, "cvss": {"cvss_base_score": "2.6", "cvss_scoring_vector": "AV:N/AC:H/Au:N/C:N/I:N/A:P", "status": "verified"}, "cvss3": {"cvss3_base_score": "3.7", "cvss3_scoring_vector": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L", "status": "verified"}, "details": ["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.", "A flaw was found in the way ntpd running on a host with multiple network interfaces handled certain server responses. A remote attacker could use this flaw which would cause ntpd to not synchronize with the source."], "mitigation": {"lang": "en:us", "value": "If you are going to configure your OS to disable source address checks, also configure your firewall configuration to control what interfaces can receive packets from what networks."}, "name": "CVE-2016-7429", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Will not fix", "package_name": "ntp", "product_name": "Red Hat Enterprise Linux 5"}], "public_date": "2016-11-21T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2016-7429\nhttps://nvd.nist.gov/vuln/detail/CVE-2016-7429\nhttp://support.ntp.org/bin/view/Main/NtpBug3072"], "threat_severity": "Low"}

{}