CVE-2016-1547

{"id": "CVE-2016-1547", "cveTags": [], "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 5.0, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "authentication": "NONE", "integrityImpact": "NONE", "accessComplexity": "LOW", "availabilityImpact": "PARTIAL", "confidentialityImpact": "NONE"}, "acInsufInfo": false, "impactScore": 2.9, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 10.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV30": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.0", "baseScore": 5.3, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "LOW", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 1.4, "exploitabilityScore": 3.9}]}, "published": "2017-01-06T21:59:00.320", "references": [{"url": "http://rhn.redhat.com/errata/RHSA-2016-1552.html", "source": "cret@cert.org"}, {"url": "http://www.debian.org/security/2016/dsa-3629", "source": "cret@cert.org"}, {"url": "http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html", "source": "cret@cert.org"}, {"url": "http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html", "source": "cret@cert.org"}, {"url": "http://www.securityfocus.com/bid/88276", "source": "cret@cert.org"}, {"url": "http://www.securitytracker.com/id/1035705", "source": "cret@cert.org"}, {"url": "http://www.talosintelligence.com/reports/TALOS-2016-0081/", "tags": ["Mitigation", "Technical Description", "Third Party Advisory"], "source": "cret@cert.org"}, {"url": "https://access.redhat.com/errata/RHSA-2016:1141", "source": "cret@cert.org"}, {"url": "https://cert-portal.siemens.com/productcert/pdf/ssa-211752.pdf", "source": "cret@cert.org"}, {"url": "https://cert-portal.siemens.com/productcert/pdf/ssa-497656.pdf", "source": "cret@cert.org"}, {"url": "https://security.FreeBSD.org/advisories/FreeBSD-SA-16:16.ntp.asc", "source": "cret@cert.org"}, {"url": "https://security.gentoo.org/glsa/201607-15", "source": "cret@cert.org"}, {"url": "https://security.netapp.com/advisory/ntap-20171004-0002/", "source": "cret@cert.org"}, {"url": "https://us-cert.cisa.gov/ics/advisories/icsa-21-103-11", "source": "cret@cert.org"}, {"url": "https://www.arista.com/en/support/advisories-notices/security-advisories/1332-security-advisory-19", "source": "cret@cert.org"}, {"url": "http://rhn.redhat.com/errata/RHSA-2016-1552.html", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://www.debian.org/security/2016/dsa-3629", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://www.securityfocus.com/bid/88276", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://www.securitytracker.com/id/1035705", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://www.talosintelligence.com/reports/TALOS-2016-0081/", "tags": ["Mitigation", "Technical Description", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://access.redhat.com/errata/RHSA-2016:1141", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://cert-portal.siemens.com/productcert/pdf/ssa-211752.pdf", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://cert-portal.siemens.com/productcert/pdf/ssa-497656.pdf", "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"}, {"url": "https://us-cert.cisa.gov/ics/advisories/icsa-21-103-11", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://www.arista.com/en/support/advisories-notices/security-advisories/1332-security-advisory-19", "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Deferred", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-20"}]}], "descriptions": [{"lang": "en", "value": "An off-path attacker can cause a preemptible client association to be demobilized in NTP 4.2.8p4 and earlier and NTPSec a5fb34b9cc89b92a8fef2f459004865c93bb7f92 by sending a crypto NAK packet to a victim client with a spoofed source address of an existing associated peer. This is true even if authentication is enabled."}, {"lang": "es", "value": "Un atacante fuera de ruta puede provocar que una asociaci\u00f3n de clientes preventiva sea desmovilizada en NTP 4.2.8p4 y versiones anteriores y NTPSec a5fb34b9cc89b92a8fef2f459004865c93bb7f92 enviando un paquete NAK encriptado a un cliente v\u00edctima con una direcci\u00f3n fuente suplantada de un asociado existente. Esto es cierto incluso si la autenticaci\u00f3n est\u00e1 habilitada."}], "lastModified": "2025-04-20T01:37:25.860", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:ntp:ntp:*:p4:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "05D076CA-85DD-48B4-9A8A-F413FFBFB55F", "versionEndIncluding": "4.2.8"}], "operator": "OR"}]}], "sourceIdentifier": "cret@cert.org"}