CVE-2016-7427

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difusi\u00f3n en ntpd en NTP en versiones anteriores a 4.2.8p9 permite a atacantes remotos provocar una denegaci\u00f3n de servicio (rechazar paquetes de modo de difusi\u00f3n) a trav\u00e9s de un paquete de modo de difusi\u00f3n manipulado."}], "id": "CVE-2016-7427", "lastModified": "2026-06-17T00:53:02.997", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "LOW", "cvssData": {"accessComplexity": "LOW", "accessVector": "ADJACENT_NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 3.3, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:A/AC:L/Au:N/C:N/I:N/A:P", "version": "2.0"}, "exploitabilityScore": 6.5, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV30": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "ADJACENT_NETWORK", "availabilityImpact": "LOW", "baseScore": 4.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L", "version": "3.0"}, "exploitabilityScore": 2.8, "impactScore": 1.4, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2017-01-13T16:59:00.357", "references": [{"source": "cve@mitre.org", "tags": ["Release Notes", "Vendor Advisory"], "url": "http://nwtime.org/ntp428p9_release/"}, {"source": "cve@mitre.org", "tags": ["Issue Tracking", "Mitigation", "Vendor Advisory"], "url": "http://support.ntp.org/bin/view/Main/NtpBug3114"}, {"source": "cve@mitre.org", "tags": ["Vendor Advisory"], "url": "http://support.ntp.org/bin/view/Main/SecurityNotice#Recent_Vulnerabilities"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://www.securityfocus.com/bid/94447"}, {"source": "cve@mitre.org", "url": 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{"bugzilla": {"description": "ntp: Broadcast Mode Replay Prevention DoS", "id": "1397329", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1397329"}, "csaw": false, "cvss": {"cvss_base_score": "3.3", "cvss_scoring_vector": "AV:A/AC:L/Au:N/C:N/I:N/A:P", "status": "draft"}, "cvss3": {"cvss3_base_score": "4.3", "cvss3_scoring_vector": "CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L", "status": "draft"}, "cwe": "CWE-400", "details": ["The broadcast mode replay prevention functionality in ntpd in NTP before 4.2.8p9 allows remote attackers to cause a denial of service (reject broadcast mode packets) via a crafted broadcast mode packet."], "name": "CVE-2016-7427", "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": "Not affected", "package_name": "ntp", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "ntp", "product_name": "Red Hat Enterprise Linux 7"}], "public_date": "2016-11-21T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2016-7427\nhttps://nvd.nist.gov/vuln/detail/CVE-2016-7427\nhttp://support.ntp.org/bin/view/Main/NtpBug3114"], "threat_severity": "Moderate"}

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