CVE-2016-4955

{"cve": {"data_type": "CVE", "references": {"reference_data": [{"url": "http://www.kb.cert.org/vuls/id/321640", "name": "VU#321640", "tags": ["Third Party Advisory", "US Government Resource"], "refsource": "CERT-VN"}, {"url": "http://support.ntp.org/bin/view/Main/NtpBug3043", "name": "http://support.ntp.org/bin/view/Main/NtpBug3043", "tags": ["Patch", "Vendor Advisory"], "refsource": "CONFIRM"}, {"url": "http://bugs.ntp.org/3043", "name": "http://bugs.ntp.org/3043", "tags": ["Issue Tracking", "Vendor Advisory"], "refsource": "CONFIRM"}, {"url": "http://support.ntp.org/bin/view/Main/SecurityNotice", "name": "http://support.ntp.org/bin/view/Main/SecurityNotice", "tags": ["Release Notes", "Vendor Advisory"], "refsource": "CONFIRM"}, {"url": "http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00023.html", "name": "openSUSE-SU-2016:1583", "tags": ["Mailing List", "Third Party Advisory"], "refsource": "SUSE"}, {"url": "http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00018.html", "name": "SUSE-SU-2016:1563", "tags": ["Mailing List", "Third Party Advisory"], "refsource": "SUSE"}, {"url": "http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00024.html", "name": "SUSE-SU-2016:1584", "tags": ["Mailing List", "Third Party Advisory"], "refsource": "SUSE"}, {"url": "http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00028.html", "name": "SUSE-SU-2016:1602", "tags": ["Mailing List", "Third Party Advisory"], "refsource": "SUSE"}, {"url": "http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00040.html", "name": "openSUSE-SU-2016:1636", "tags": ["Mailing List", "Third Party Advisory"], "refsource": "SUSE"}, {"url": "http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html", "name": "http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html", "tags": ["Third Party Advisory"], "refsource": "CONFIRM"}, {"url": "http://www.securityfocus.com/bid/91007", "name": "91007", "tags": ["Third Party Advisory", "VDB Entry"], "refsource": "BID"}, {"url": "https://security.gentoo.org/glsa/201607-15", "name": "GLSA-201607-15", "tags": ["Third Party Advisory"], "refsource": "GENTOO"}, {"url": "http://www.securitytracker.com/id/1036037", "name": "1036037", "tags": ["Third Party Advisory", "VDB Entry"], "refsource": "SECTRACK"}, {"url": "https://security.FreeBSD.org/advisories/FreeBSD-SA-16:24.ntp.asc", "name": "FreeBSD-SA-16:24", "tags": ["Third Party Advisory"], "refsource": "FREEBSD"}, {"url": "https://cert-portal.siemens.com/productcert/pdf/ssa-211752.pdf", "name": "https://cert-portal.siemens.com/productcert/pdf/ssa-211752.pdf", "tags": ["Third Party Advisory"], "refsource": "CONFIRM"}, {"url": "http://www.securityfocus.com/archive/1/archive/1/538600/100/0/threaded", "name": "20160604 FreeBSD Security Advisory FreeBSD-SA-16:24.ntp", "tags": [], "refsource": "BUGTRAQ"}, {"url": "http://www.securityfocus.com/archive/1/archive/1/538599/100/0/threaded", "name": "20160604 [slackware-security] ntp (SSA:2016-155-01)", "tags": [], "refsource": "BUGTRAQ"}, {"url": "http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00026.html", "name": "SUSE-SU-2016:1912", "tags": [], "refsource": "SUSE"}, {"url": "http://www.ubuntu.com/usn/USN-3096-1", "name": "USN-3096-1", "tags": [], "refsource": "UBUNTU"}, {"url": "http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00042.html", "name": "SUSE-SU-2016:2094", "tags": [], "refsource": "SUSE"}, {"url": "http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00020.html", "name": "SUSE-SU-2016:1568", "tags": [], "refsource": "SUSE"}, {"url": "http://www.securityfocus.com/archive/1/538599/100/0/threaded", "name": "20160604 [slackware-security] ntp (SSA:2016-155-01)", "tags": [], "refsource": "BUGTRAQ"}, {"url": "http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160603-ntpd", "name": "20160603 Multiple Vulnerabilities in Network Time Protocol Daemon Affecting Cisco Products: June 2016", "tags": [], "refsource": "CISCO"}, {"url": "http://www.securityfocus.com/archive/1/538600/100/0/threaded", "name": "20160604 FreeBSD Security Advisory FreeBSD-SA-16:24.ntp", "tags": [], "refsource": "BUGTRAQ"}, {"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/WNWGCQLW2VY72NIUYMJOCAKJKTXHDUK2/", "name": "FEDORA-2016-c3bd6a3496", "tags": [], "refsource": "FEDORA"}, {"url": "https://us-cert.cisa.gov/ics/advisories/icsa-21-159-11", "name": "https://us-cert.cisa.gov/ics/advisories/icsa-21-159-11", "tags": [], "refsource": "MISC"}, {"url": "https://www.kb.cert.org/vuls/id/321640", "name": "VU#321640", "tags": [], "refsource": "CERT-VN"}, {"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/K3EYJQHJZ2KTVQ7ICEFHXTLZ36MRASWX/", "name": "FEDORA-2016-50b0066b7f", "tags": [], "refsource": "FEDORA"}, {"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ORAMN3Q7TVJ54MBYF75XCJOE3DP7LYHT/", "name": "FEDORA-2016-89e0874533", "tags": [], "refsource": "FEDORA"}, {"url": "http://packetstormsecurity.com/files/137321/Slackware-Security-Advisory-ntp-Updates.html", "name": "http://packetstormsecurity.com/files/137321/Slackware-Security-Advisory-ntp-Updates.html", "tags": [], "refsource": "MISC"}, {"url": "http://packetstormsecurity.com/files/137322/FreeBSD-Security-Advisory-FreeBSD-SA-16-24.ntp.html", "name": "http://packetstormsecurity.com/files/137322/FreeBSD-Security-Advisory-FreeBSD-SA-16-24.ntp.html", "tags": [], "refsource": "MISC"}]}, "data_format": "MITRE", "description": {"description_data": [{"lang": "en", "value": "ntpd in NTP 4.x before 4.2.8p8, when autokey is enabled, allows remote attackers to cause a denial of service (peer-variable clearing and association outage) by sending (1) a spoofed crypto-NAK packet or (2) a packet with an incorrect MAC value at a certain time."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "en", "value": "CWE-362"}]}]}, "data_version": "4.0", "CVE_data_meta": {"ID": "CVE-2016-4955", "ASSIGNER": "cve@mitre.org"}}, "impact": {"baseMetricV2": {"cvssV2": {"version": "2.0", "baseScore": 4.3, "accessVector": "NETWORK", "vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:P", "authentication": "NONE", "integrityImpact": "NONE", "accessComplexity": "MEDIUM", "availabilityImpact": "PARTIAL", "confidentialityImpact": "NONE"}, "severity": "MEDIUM", "acInsufInfo": false, "impactScore": 2.9, "obtainAllPrivilege": false, "exploitabilityScore": 8.6, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}, "baseMetricV3": {"cvssV3": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.9, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 2.2}}, "publishedDate": "2016-07-05T01:59Z", "configurations": {"nodes": [{"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:a:ntp:ntp:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndExcluding": "4.2.8", "versionStartIncluding": "4.2.0"}, {"cpe23Uri": "cpe:2.3:a:ntp:ntp:4.2.8:-:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:a:ntp:ntp:4.2.8:p1:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:a:ntp:ntp:4.2.8:p1-beta1:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": 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