CVE-2016-2516

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"x_transferred"], "url": "http://www.debian.org/security/2016/dsa-3629"}, {"name": "88180", "tags": ["vdb-entry", "x_refsource_BID", "x_transferred"], "url": "http://www.securityfocus.com/bid/88180"}, {"name": "VU#718152", "tags": ["third-party-advisory", "x_refsource_CERT-VN", "x_transferred"], "url": "https://www.kb.cert.org/vuls/id/718152"}, {"name": "1035705", "tags": ["vdb-entry", "x_refsource_SECTRACK", "x_transferred"], "url": "http://www.securitytracker.com/id/1035705"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://security.netapp.com/advisory/ntap-20171004-0002/"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "http://support.ntp.org/bin/view/Main/NtpBug3011"}, {"name": "FreeBSD-SA-16:16", "tags": ["vendor-advisory", "x_refsource_FREEBSD", "x_transferred"], "url": 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"matchCriteriaId": "72F9DD05-E521-45D3-994E-0400DA0070BD", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "NTP before 4.2.8p7 and 4.3.x before 4.3.92, when mode7 is enabled, allows remote attackers to cause a denial of service (ntpd abort) by using the same IP address multiple times in an unconfig directive."}, {"lang": "es", "value": "NTP en versiones anteriores a 4.2.8p7 y 4.3.x en versiones anteriores a 4.3.92, cuando mode7 est\u00e1 habilitado, permite a atacantes remotos provocar una denegaci\u00f3n de servicio (anular ntpd) usando la misma direcci\u00f3n IP varias veces en una directiva unconfig."}], "id": "CVE-2016-2516", "lastModified": "2026-06-17T00:44:12.313", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "COMPLETE", "baseScore": 7.1, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:C", "version": "2.0"}, "exploitabilityScore": 8.6, "impactScore": 6.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV30": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 5.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.0"}, "exploitabilityScore": 1.6, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2017-01-30T21:59:01.003", "references": [{"source": "cve@mitre.org", "tags": ["Vendor Advisory"], "url": "http://support.ntp.org/bin/view/Main/NtpBug3011"}, {"source": "cve@mitre.org", "url": "http://www.debian.org/security/2016/dsa-3629"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://www.securityfocus.com/bid/88180"}, {"source": "cve@mitre.org", "url": "http://www.securitytracker.com/id/1035705"}, {"source": "cve@mitre.org", "url": "https://security.FreeBSD.org/advisories/FreeBSD-SA-16:16.ntp.asc"}, {"source": "cve@mitre.org", "url": "https://security.gentoo.org/glsa/201607-15"}, {"source": "cve@mitre.org", "url": "https://security.netapp.com/advisory/ntap-20171004-0002/"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory", "US Government Resource"], "url": "https://www.kb.cert.org/vuls/id/718152"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "http://support.ntp.org/bin/view/Main/NtpBug3011"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.debian.org/security/2016/dsa-3629"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://www.securityfocus.com/bid/88180"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.securitytracker.com/id/1035705"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://security.FreeBSD.org/advisories/FreeBSD-SA-16:16.ntp.asc"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://security.gentoo.org/glsa/201607-15"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://security.netapp.com/advisory/ntap-20171004-0002/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory", "US Government Resource"], "url": "https://www.kb.cert.org/vuls/id/718152"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-20"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "ntp: assertion failure in ntpd on duplicate IPs on unconfig directives", "id": "1331466", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1331466"}, "csaw": false, "cvss": {"cvss_base_score": "4.3", "cvss_scoring_vector": "AV:N/AC:M/Au:N/C:N/I:N/A:P", "status": "draft"}, "details": ["NTP before 4.2.8p7 and 4.3.x before 4.3.92, when mode7 is enabled, allows remote attackers to cause a denial of service (ntpd abort) by using the same IP address multiple times in an unconfig directive."], "mitigation": {"lang": "en:us", "value": "Disable remote configuration of NTP, or restrict this ability to trusted users."}, "name": "CVE-2016-2516", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Not affected", "package_name": "ntp", "product_name": "Red Hat Enterprise Linux 5"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Will not fix", "package_name": "ntp", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Will not fix", "package_name": "ntp", "product_name": "Red Hat Enterprise Linux 7"}], "public_date": "2016-04-26T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2016-2516\nhttps://nvd.nist.gov/vuln/detail/CVE-2016-2516\nhttp://support.ntp.org/bin/view/Main/SecurityNotice#April_2016_NTP_4_2_8p7_Security"], "threat_severity": "Moderate"}

{}