CVE-2016-1548

{"id": "CVE-2016-1548", "cveTags": [], "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 6.4, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:N/C:N/I:P/A:P", "authentication": "NONE", "integrityImpact": "PARTIAL", "accessComplexity": "LOW", "availabilityImpact": "PARTIAL", "confidentialityImpact": "NONE"}, "acInsufInfo": false, "impactScore": 4.9, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 10.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV30": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "CHANGED", "version": "3.0", "baseScore": 7.2, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:L", "integrityImpact": "LOW", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "LOW", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 2.7, "exploitabilityScore": 3.9}]}, "published": "2017-01-06T21:59:00.353", "references": [{"url": "http://lists.fedoraproject.org/pipermail/package-announce/2016-May/183647.html", "source": "cret@cert.org"}, {"url": "http://lists.fedoraproject.org/pipermail/package-announce/2016-May/184669.html", "source": "cret@cert.org"}, {"url": "http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00034.html", "source": "cret@cert.org"}, {"url": "http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00037.html", "source": "cret@cert.org"}, {"url": "http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00052.html", "source": "cret@cert.org"}, {"url": "http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00001.html", "source": "cret@cert.org"}, {"url": "http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00020.html", "source": "cret@cert.org"}, {"url": "http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00026.html", "source": "cret@cert.org"}, {"url": "http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00042.html", "source": "cret@cert.org"}, {"url": "http://lists.opensuse.org/opensuse-updates/2016-05/msg00114.html", "source": "cret@cert.org"}, {"url": "http://packetstormsecurity.com/files/136864/Slackware-Security-Advisory-ntp-Updates.html", "source": "cret@cert.org"}, {"url": "http://rhn.redhat.com/errata/RHSA-2016-1552.html", "source": "cret@cert.org"}, {"url": "http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160428-ntpd", "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/archive/1/538233/100/0/threaded", "source": "cret@cert.org"}, {"url": "http://www.securityfocus.com/archive/1/archive/1/538233/100/0/threaded", "source": "cret@cert.org"}, {"url": "http://www.securityfocus.com/bid/88264", "source": "cret@cert.org"}, {"url": "http://www.securitytracker.com/id/1035705", "source": "cret@cert.org"}, {"url": "http://www.talosintelligence.com/reports/TALOS-2016-0082/", "tags": ["Exploit", "Third Party Advisory"], "source": "cret@cert.org"}, {"url": "http://www.ubuntu.com/usn/USN-3096-1", "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://us-cert.cisa.gov/ics/advisories/icsa-21-159-11", "source": "cret@cert.org"}, {"url": "https://www.arista.com/en/support/advisories-notices/security-advisories/1332-security-advisory-19", "source": "cret@cert.org"}, {"url": "https://www.debian.org/security/2016/dsa-3629", "source": "cret@cert.org"}, {"url": "https://www.kb.cert.org/vuls/id/718152", "source": "cret@cert.org"}, {"url": "https://www.talosintelligence.com/vulnerability_reports/TALOS-2016-0082", "source": "cret@cert.org"}, {"url": "http://lists.fedoraproject.org/pipermail/package-announce/2016-May/183647.html", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://lists.fedoraproject.org/pipermail/package-announce/2016-May/184669.html", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00034.html", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00037.html", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://lists.opensuse.org/opensuse-security-announce/2016-05/msg00052.html", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00001.html", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00020.html", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00026.html", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00042.html", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://lists.opensuse.org/opensuse-updates/2016-05/msg00114.html", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://packetstormsecurity.com/files/136864/Slackware-Security-Advisory-ntp-Updates.html", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://rhn.redhat.com/errata/RHSA-2016-1552.html", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160428-ntpd", "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/archive/1/538233/100/0/threaded", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://www.securityfocus.com/archive/1/archive/1/538233/100/0/threaded", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://www.securityfocus.com/bid/88264", "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-2016-0082/", "tags": ["Exploit", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://www.ubuntu.com/usn/USN-3096-1", "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://us-cert.cisa.gov/ics/advisories/icsa-21-159-11", "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"}, {"url": "https://www.debian.org/security/2016/dsa-3629", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://www.kb.cert.org/vuls/id/718152", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://www.talosintelligence.com/vulnerability_reports/TALOS-2016-0082", "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Deferred", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-19"}]}], "descriptions": [{"lang": "en", "value": "An attacker can spoof a packet from a legitimate ntpd server with an origin timestamp that matches the peer->dst timestamp recorded for that server. After making this switch, the client in NTP 4.2.8p4 and earlier and NTPSec aa48d001683e5b791a743ec9c575aaf7d867a2b0c will reject all future legitimate server responses. It is possible to force the victim client to move time after the mode has been changed. ntpq gives no indication that the mode has been switched."}, {"lang": "es", "value": "Un atacante puede suplantar un paquete de un servidor ntpd leg\u00edtimo con una marca de tiempo de origen que coincida con la marca de tiempo peer->dst registrada para ese servidor. Despu\u00e9s de hacer este cambio, el cliente en NTP 4.2.8p4 y versiones anteriores y NTPSec aa48d001683e5b791a743ec9c575aaf7d867a2b0c rechazar\u00e1n todas las futuras respuestas leg\u00edtimas del servidor. Es posible forzar al cliente v\u00edctima a mover el tiempo despu\u00e9s de que el modo haya sido cambiado. ntpq no indica que el modo ha sido cambiado."}], "lastModified": "2025-04-20T01:37:25.860", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:ntp:ntp:4.2.8:p4:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "99C71C00-7222-483B-AEFB-159337BD3C92"}], "operator": "OR"}]}], "sourceIdentifier": "cret@cert.org"}