CVE-2016-4955

{"containers": {"cna": {"affected": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "datePublic": "2016-06-02T00:00:00.000Z", "descriptions": [{"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."}], "problemTypes": [{"descriptions": [{"description": "n/a", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2021-07-16T12:00:04.000Z", "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre"}, "references": [{"name": "SUSE-SU-2016:1602", "tags": ["vendor-advisory", "x_refsource_SUSE"], "url": "http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00028.html"}, {"name": "USN-3096-1", "tags": ["vendor-advisory", "x_refsource_UBUNTU"], "url": "http://www.ubuntu.com/usn/USN-3096-1"}, {"name": "FEDORA-2016-c3bd6a3496", "tags": ["vendor-advisory", "x_refsource_FEDORA"], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WNWGCQLW2VY72NIUYMJOCAKJKTXHDUK2/"}, {"name": "openSUSE-SU-2016:1583", "tags": ["vendor-advisory", "x_refsource_SUSE"], "url": "http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00023.html"}, {"name": "FreeBSD-SA-16:24", "tags": ["vendor-advisory", "x_refsource_FREEBSD"], "url": "https://security.FreeBSD.org/advisories/FreeBSD-SA-16:24.ntp.asc"}, {"name": "SUSE-SU-2016:1912", "tags": ["vendor-advisory", "x_refsource_SUSE"], "url": "http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00026.html"}, {"name": "FEDORA-2016-89e0874533", "tags": ["vendor-advisory", "x_refsource_FEDORA"], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ORAMN3Q7TVJ54MBYF75XCJOE3DP7LYHT/"}, {"name": "91007", "tags": ["vdb-entry", "x_refsource_BID"], "url": "http://www.securityfocus.com/bid/91007"}, {"tags": ["x_refsource_CONFIRM"], "url": "http://support.ntp.org/bin/view/Main/NtpBug3043"}, {"name": "1036037", "tags": ["vdb-entry", "x_refsource_SECTRACK"], "url": "http://www.securitytracker.com/id/1036037"}, {"name": "SUSE-SU-2016:1584", "tags": ["vendor-advisory", "x_refsource_SUSE"], "url": "http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00024.html"}, {"tags": ["x_refsource_CONFIRM"], "url": "http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html"}, {"name": "SUSE-SU-2016:2094", "tags": ["vendor-advisory", "x_refsource_SUSE"], "url": "http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00042.html"}, {"tags": ["x_refsource_CONFIRM"], "url": "http://bugs.ntp.org/3043"}, {"name": "VU#321640", "tags": ["third-party-advisory", "x_refsource_CERT-VN"], "url": "http://www.kb.cert.org/vuls/id/321640"}, {"tags": ["x_refsource_CONFIRM"], "url": "http://support.ntp.org/bin/view/Main/SecurityNotice"}, {"name": "FEDORA-2016-50b0066b7f", "tags": ["vendor-advisory", "x_refsource_FEDORA"], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/K3EYJQHJZ2KTVQ7ICEFHXTLZ36MRASWX/"}, {"name": "openSUSE-SU-2016:1636", "tags": ["vendor-advisory", "x_refsource_SUSE"], "url": "http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00040.html"}, {"name": "SUSE-SU-2016:1563", "tags": ["vendor-advisory", "x_refsource_SUSE"], "url": "http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00018.html"}, {"name": "GLSA-201607-15", "tags": ["vendor-advisory", "x_refsource_GENTOO"], "url": "https://security.gentoo.org/glsa/201607-15"}, {"tags": ["x_refsource_MISC"], "url": "http://packetstormsecurity.com/files/137321/Slackware-Security-Advisory-ntp-Updates.html"}, {"name": "20160603 Multiple Vulnerabilities in Network Time Protocol Daemon Affecting Cisco Products: June 2016", "tags": ["vendor-advisory", "x_refsource_CISCO"], "url": "http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160603-ntpd"}, {"tags": ["x_refsource_MISC"], "url": "http://packetstormsecurity.com/files/137322/FreeBSD-Security-Advisory-FreeBSD-SA-16-24.ntp.html"}, {"name": "SUSE-SU-2016:1568", "tags": ["vendor-advisory", "x_refsource_SUSE"], "url": "http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00020.html"}, {"name": "20160604 [slackware-security] ntp (SSA:2016-155-01)", "tags": ["mailing-list", "x_refsource_BUGTRAQ"], "url": "http://www.securityfocus.com/archive/1/538599/100/0/threaded"}, {"name": "20160604 FreeBSD Security Advisory FreeBSD-SA-16:24.ntp", "tags": ["mailing-list", "x_refsource_BUGTRAQ"], "url": "http://www.securityfocus.com/archive/1/538600/100/0/threaded"}, {"name": "VU#321640", "tags": ["third-party-advisory", "x_refsource_CERT-VN"], "url": "https://www.kb.cert.org/vuls/id/321640"}, {"name": "20160604 [slackware-security] ntp (SSA:2016-155-01)", "tags": ["mailing-list", "x_refsource_BUGTRAQ"], "url": "http://www.securityfocus.com/archive/1/archive/1/538599/100/0/threaded"}, {"name": "20160604 FreeBSD Security Advisory FreeBSD-SA-16:24.ntp", "tags": ["mailing-list", "x_refsource_BUGTRAQ"], "url": "http://www.securityfocus.com/archive/1/archive/1/538600/100/0/threaded"}, {"tags": ["x_refsource_CONFIRM"], "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-211752.pdf"}, {"tags": ["x_refsource_MISC"], "url": "https://us-cert.cisa.gov/ics/advisories/icsa-21-159-11"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "cve@mitre.org", "ID": "CVE-2016-4955", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "n/a", "version": {"version_data": [{"version_value": "n/a"}]}}]}, "vendor_name": "n/a"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "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": "eng", "value": "n/a"}]}]}, "references": {"reference_data": [{"name": "SUSE-SU-2016:1602", "refsource": "SUSE", "url": "http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00028.html"}, {"name": "USN-3096-1", "refsource": "UBUNTU", "url": "http://www.ubuntu.com/usn/USN-3096-1"}, {"name": "FEDORA-2016-c3bd6a3496", "refsource": "FEDORA", "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/WNWGCQLW2VY72NIUYMJOCAKJKTXHDUK2/"}, {"name": "openSUSE-SU-2016:1583", "refsource": "SUSE", "url": "http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00023.html"}, {"name": "FreeBSD-SA-16:24", "refsource": "FREEBSD", "url": "https://security.FreeBSD.org/advisories/FreeBSD-SA-16:24.ntp.asc"}, {"name": "SUSE-SU-2016:1912", "refsource": "SUSE", "url": "http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00026.html"}, {"name": "FEDORA-2016-89e0874533", "refsource": "FEDORA", "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ORAMN3Q7TVJ54MBYF75XCJOE3DP7LYHT/"}, {"name": "91007", "refsource": "BID", "url": "http://www.securityfocus.com/bid/91007"}, {"name": "http://support.ntp.org/bin/view/Main/NtpBug3043", "refsource": "CONFIRM", "url": "http://support.ntp.org/bin/view/Main/NtpBug3043"}, {"name": "1036037", "refsource": "SECTRACK", "url": "http://www.securitytracker.com/id/1036037"}, {"name": "SUSE-SU-2016:1584", "refsource": "SUSE", "url": "http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00024.html"}, {"name": "http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html", "refsource": "CONFIRM", "url": "http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html"}, {"name": "SUSE-SU-2016:2094", "refsource": "SUSE", "url": "http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00042.html"}, {"name": "http://bugs.ntp.org/3043", "refsource": "CONFIRM", "url": "http://bugs.ntp.org/3043"}, {"name": "VU#321640", "refsource": "CERT-VN", "url": "http://www.kb.cert.org/vuls/id/321640"}, {"name": "http://support.ntp.org/bin/view/Main/SecurityNotice", "refsource": "CONFIRM", "url": "http://support.ntp.org/bin/view/Main/SecurityNotice"}, {"name": "FEDORA-2016-50b0066b7f", "refsource": "FEDORA", "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/K3EYJQHJZ2KTVQ7ICEFHXTLZ36MRASWX/"}, {"name": "openSUSE-SU-2016:1636", "refsource": "SUSE", "url": "http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00040.html"}, {"name": "SUSE-SU-2016:1563", "refsource": "SUSE", "url": "http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00018.html"}, {"name": "GLSA-201607-15", "refsource": "GENTOO", "url": "https://security.gentoo.org/glsa/201607-15"}, {"name": "http://packetstormsecurity.com/files/137321/Slackware-Security-Advisory-ntp-Updates.html", "refsource": "MISC", "url": "http://packetstormsecurity.com/files/137321/Slackware-Security-Advisory-ntp-Updates.html"}, {"name": "20160603 Multiple Vulnerabilities in Network Time Protocol Daemon Affecting Cisco Products: June 2016", "refsource": "CISCO", "url": "http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160603-ntpd"}, {"name": "http://packetstormsecurity.com/files/137322/FreeBSD-Security-Advisory-FreeBSD-SA-16-24.ntp.html", "refsource": "MISC", "url": "http://packetstormsecurity.com/files/137322/FreeBSD-Security-Advisory-FreeBSD-SA-16-24.ntp.html"}, {"name": "SUSE-SU-2016:1568", "refsource": "SUSE", "url": "http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00020.html"}, {"name": "20160604 [slackware-security] ntp (SSA:2016-155-01)", "refsource": "BUGTRAQ", "url": "http://www.securityfocus.com/archive/1/538599/100/0/threaded"}, {"name": "20160604 FreeBSD Security Advisory FreeBSD-SA-16:24.ntp", "refsource": "BUGTRAQ", "url": "http://www.securityfocus.com/archive/1/538600/100/0/threaded"}, {"name": "VU#321640", "refsource": "CERT-VN", "url": "https://www.kb.cert.org/vuls/id/321640"}, {"name": "20160604 [slackware-security] ntp (SSA:2016-155-01)", "refsource": "BUGTRAQ", "url": "http://www.securityfocus.com/archive/1/archive/1/538599/100/0/threaded"}, {"name": "20160604 FreeBSD Security Advisory FreeBSD-SA-16:24.ntp", "refsource": "BUGTRAQ", "url": "http://www.securityfocus.com/archive/1/archive/1/538600/100/0/threaded"}, {"name": "https://cert-portal.siemens.com/productcert/pdf/ssa-211752.pdf", "refsource": "CONFIRM", "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-211752.pdf"}, {"name": "https://us-cert.cisa.gov/ics/advisories/icsa-21-159-11", "refsource": "MISC", "url": "https://us-cert.cisa.gov/ics/advisories/icsa-21-159-11"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-06T00:46:39.886Z"}, "title": "CVE Program Container", "references": [{"name": "SUSE-SU-2016:1602", "tags": ["vendor-advisory", "x_refsource_SUSE", "x_transferred"], "url": "http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00028.html"}, {"name": "USN-3096-1", "tags": ["vendor-advisory", "x_refsource_UBUNTU", "x_transferred"], "url": "http://www.ubuntu.com/usn/USN-3096-1"}, {"name": "FEDORA-2016-c3bd6a3496", "tags": ["vendor-advisory", "x_refsource_FEDORA", "x_transferred"], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WNWGCQLW2VY72NIUYMJOCAKJKTXHDUK2/"}, {"name": "openSUSE-SU-2016:1583", "tags": ["vendor-advisory", "x_refsource_SUSE", "x_transferred"], "url": "http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00023.html"}, {"name": "FreeBSD-SA-16:24", "tags": ["vendor-advisory", "x_refsource_FREEBSD", "x_transferred"], "url": "https://security.FreeBSD.org/advisories/FreeBSD-SA-16:24.ntp.asc"}, {"name": "SUSE-SU-2016:1912", "tags": ["vendor-advisory", "x_refsource_SUSE", "x_transferred"], "url": "http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00026.html"}, {"name": "FEDORA-2016-89e0874533", "tags": ["vendor-advisory", "x_refsource_FEDORA", "x_transferred"], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ORAMN3Q7TVJ54MBYF75XCJOE3DP7LYHT/"}, {"name": "91007", "tags": ["vdb-entry", "x_refsource_BID", "x_transferred"], "url": "http://www.securityfocus.com/bid/91007"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "http://support.ntp.org/bin/view/Main/NtpBug3043"}, {"name": "1036037", "tags": ["vdb-entry", "x_refsource_SECTRACK", "x_transferred"], "url": "http://www.securitytracker.com/id/1036037"}, {"name": "SUSE-SU-2016:1584", "tags": ["vendor-advisory", "x_refsource_SUSE", "x_transferred"], "url": "http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00024.html"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html"}, {"name": "SUSE-SU-2016:2094", "tags": ["vendor-advisory", "x_refsource_SUSE", "x_transferred"], "url": "http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00042.html"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "http://bugs.ntp.org/3043"}, {"name": "VU#321640", "tags": ["third-party-advisory", "x_refsource_CERT-VN", "x_transferred"], "url": "http://www.kb.cert.org/vuls/id/321640"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "http://support.ntp.org/bin/view/Main/SecurityNotice"}, {"name": "FEDORA-2016-50b0066b7f", "tags": ["vendor-advisory", "x_refsource_FEDORA", "x_transferred"], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/K3EYJQHJZ2KTVQ7ICEFHXTLZ36MRASWX/"}, {"name": "openSUSE-SU-2016:1636", "tags": ["vendor-advisory", "x_refsource_SUSE", "x_transferred"], "url": "http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00040.html"}, {"name": "SUSE-SU-2016:1563", "tags": ["vendor-advisory", "x_refsource_SUSE", "x_transferred"], "url": "http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00018.html"}, {"name": "GLSA-201607-15", "tags": ["vendor-advisory", "x_refsource_GENTOO", "x_transferred"], "url": "https://security.gentoo.org/glsa/201607-15"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "http://packetstormsecurity.com/files/137321/Slackware-Security-Advisory-ntp-Updates.html"}, {"name": "20160603 Multiple Vulnerabilities in Network Time Protocol Daemon Affecting Cisco Products: June 2016", "tags": ["vendor-advisory", "x_refsource_CISCO", "x_transferred"], "url": "http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160603-ntpd"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "http://packetstormsecurity.com/files/137322/FreeBSD-Security-Advisory-FreeBSD-SA-16-24.ntp.html"}, {"name": "SUSE-SU-2016:1568", "tags": ["vendor-advisory", "x_refsource_SUSE", "x_transferred"], "url": "http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00020.html"}, {"name": "20160604 [slackware-security] ntp (SSA:2016-155-01)", "tags": ["mailing-list", "x_refsource_BUGTRAQ", "x_transferred"], "url": "http://www.securityfocus.com/archive/1/538599/100/0/threaded"}, {"name": "20160604 FreeBSD Security Advisory FreeBSD-SA-16:24.ntp", "tags": ["mailing-list", "x_refsource_BUGTRAQ", "x_transferred"], "url": "http://www.securityfocus.com/archive/1/538600/100/0/threaded"}, {"name": "VU#321640", "tags": ["third-party-advisory", "x_refsource_CERT-VN", "x_transferred"], "url": "https://www.kb.cert.org/vuls/id/321640"}, {"name": "20160604 [slackware-security] ntp (SSA:2016-155-01)", "tags": ["mailing-list", "x_refsource_BUGTRAQ", "x_transferred"], "url": "http://www.securityfocus.com/archive/1/archive/1/538599/100/0/threaded"}, {"name": "20160604 FreeBSD Security Advisory FreeBSD-SA-16:24.ntp", "tags": ["mailing-list", "x_refsource_BUGTRAQ", "x_transferred"], "url": "http://www.securityfocus.com/archive/1/archive/1/538600/100/0/threaded"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-211752.pdf"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://us-cert.cisa.gov/ics/advisories/icsa-21-159-11"}]}]}, "cveMetadata": {"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "cveId": "CVE-2016-4955", "datePublished": "2016-07-05T01:00:00.000Z", "dateReserved": "2016-05-23T00:00:00.000Z", "dateUpdated": "2024-08-06T00:46:39.886Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{}

{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "cve@mitre.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:ntp:ntp:*:*:*:*:*:*:*:*", "matchCriteriaId": "C240BAAB-8C12-4501-9DC6-FB877304E908", "versionEndExcluding": "4.2.8", "versionStartIncluding": "4.2.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:ntp:ntp:*:*:*:*:*:*:*:*", "matchCriteriaId": "863751A2-A97F-47CD-8D57-6D60E6F3593D", "versionEndExcluding": "4.3.93", "versionStartIncluding": "4.3.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:ntp:ntp:4.2.8:-:*:*:*:*:*:*", "matchCriteriaId": "EEA51D83-5841-4335-AF07-7A43C118CAAE", "vulnerable": true}, {"criteria": "cpe:2.3:a:ntp:ntp:4.2.8:p1:*:*:*:*:*:*", "matchCriteriaId": "C855BBD2-2B38-4EFF-9DBE-CA61CCACD0DE", "vulnerable": true}, {"criteria": "cpe:2.3:a:ntp:ntp:4.2.8:p1-beta1:*:*:*:*:*:*", "matchCriteriaId": "49ADE0C3-F75C-4EC0-8805-56013F0EB92C", "vulnerable": true}, {"criteria": "cpe:2.3:a:ntp:ntp:4.2.8:p1-beta2:*:*:*:*:*:*", "matchCriteriaId": "D8FF625A-EFA3-43D1-8698-4A37AE31A07C", "vulnerable": true}, {"criteria": "cpe:2.3:a:ntp:ntp:4.2.8:p1-beta3:*:*:*:*:*:*", "matchCriteriaId": "E3B99BBD-97FE-4615-905A-A614592226F8", "vulnerable": true}, {"criteria": "cpe:2.3:a:ntp:ntp:4.2.8:p1-beta4:*:*:*:*:*:*", "matchCriteriaId": "E7A9AD3A-F030-4331-B52A-518BD963AB8A", "vulnerable": true}, {"criteria": "cpe:2.3:a:ntp:ntp:4.2.8:p1-beta5:*:*:*:*:*:*", "matchCriteriaId": "C293B8BE-6691-4944-BCD6-25EB98CABC73", "vulnerable": true}, {"criteria": "cpe:2.3:a:ntp:ntp:4.2.8:p1-rc1:*:*:*:*:*:*", "matchCriteriaId": "CEA650F8-2576-494A-A861-61572CA319D0", "vulnerable": true}, {"criteria": "cpe:2.3:a:ntp:ntp:4.2.8:p1-rc2:*:*:*:*:*:*", "matchCriteriaId": "4ED21EE8-7CBF-4BC5-BFC3-185D41296238", "vulnerable": true}, {"criteria": "cpe:2.3:a:ntp:ntp:4.2.8:p2:*:*:*:*:*:*", "matchCriteriaId": "C76A0B44-13DE-4173-8D05-DA54F6A71759", "vulnerable": true}, {"criteria": "cpe:2.3:a:ntp:ntp:4.2.8:p2-rc1:*:*:*:*:*:*", "matchCriteriaId": "1450241C-2F6D-4122-B33C-D78D065BA403", "vulnerable": true}, {"criteria": "cpe:2.3:a:ntp:ntp:4.2.8:p2-rc2:*:*:*:*:*:*", "matchCriteriaId": "721AFD22-91D3-488E-A5E6-DD84C86E412B", "vulnerable": true}, {"criteria": "cpe:2.3:a:ntp:ntp:4.2.8:p2-rc3:*:*:*:*:*:*", "matchCriteriaId": "8D6ADDB1-2E96-4FF6-AE95-4B06654D38B0", "vulnerable": true}, {"criteria": "cpe:2.3:a:ntp:ntp:4.2.8:p3:*:*:*:*:*:*", "matchCriteriaId": "41E44E9F-6383-4E12-AEDC-B653FEA77A48", "vulnerable": true}, {"criteria": "cpe:2.3:a:ntp:ntp:4.2.8:p3-rc1:*:*:*:*:*:*", "matchCriteriaId": "466D9A37-2658-4695-9429-0C6BF4A631C2", "vulnerable": true}, {"criteria": "cpe:2.3:a:ntp:ntp:4.2.8:p3-rc2:*:*:*:*:*:*", "matchCriteriaId": "99774181-5F12-446C-AC2C-DB1C52295EED", "vulnerable": true}, {"criteria": "cpe:2.3:a:ntp:ntp:4.2.8:p3-rc3:*:*:*:*:*:*", "matchCriteriaId": "4427EE6D-3F79-4FF5-B3EC-EE6BD01562CE", "vulnerable": true}, {"criteria": "cpe:2.3:a:ntp:ntp:4.2.8:p4:*:*:*:*:*:*", "matchCriteriaId": "99C71C00-7222-483B-AEFB-159337BD3C92", "vulnerable": true}, {"criteria": "cpe:2.3:a:ntp:ntp:4.2.8:p5:*:*:*:*:*:*", "matchCriteriaId": "75A9AA28-1B20-44BB-815C-7294A53E910E", "vulnerable": true}, {"criteria": "cpe:2.3:a:ntp:ntp:4.2.8:p6:*:*:*:*:*:*", "matchCriteriaId": "8C213794-111D-41F3-916C-AD97F731D600", "vulnerable": true}, {"criteria": "cpe:2.3:a:ntp:ntp:4.2.8:p7:*:*:*:*:*:*", "matchCriteriaId": "50811A7B-0379-4437-8737-B4C1ACBC9EFD", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:oracle:solaris:10:*:*:*:*:*:*:*", "matchCriteriaId": "964B57CD-CB8A-4520-B358-1C93EC5EF2DC", "vulnerable": true}, {"criteria": "cpe:2.3:o:oracle:solaris:11.3:*:*:*:*:*:*:*", "matchCriteriaId": "79A602C5-61FE-47BA-9786-F045B6C6DBA8", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:suse:manager_proxy:2.1:*:*:*:*:*:*:*", "matchCriteriaId": "3CBED083-B935-4C47-BBDA-F39D8EA277ED", "vulnerable": true}, {"criteria": "cpe:2.3:a:suse:openstack_cloud:5:*:*:*:*:*:*:*", "matchCriteriaId": "BD6136E8-74DE-48AF-A8AB-B0E93D34870C", "vulnerable": true}, {"criteria": "cpe:2.3:o:novell:suse_manager:2.1:*:*:*:*:*:*:*", "matchCriteriaId": "514646C5-C5D4-487E-8950-B3A2B1DE8EEC", "vulnerable": true}, {"criteria": "cpe:2.3:o:opensuse:leap:42.1:*:*:*:*:*:*:*", "matchCriteriaId": "4863BE36-D16A-4D75-90D9-FD76DB5B48B7", "vulnerable": true}, {"criteria": "cpe:2.3:o:opensuse:opensuse:13.2:*:*:*:*:*:*:*", "matchCriteriaId": "03117DF1-3BEC-4B8D-AD63-DBBDB2126081", "vulnerable": true}, {"criteria": "cpe:2.3:o:suse:linux_enterprise_desktop:12:sp1:*:*:*:*:*:*", "matchCriteriaId": "3A0BA503-3F96-48DA-AF47-FBA37A9D0C48", "vulnerable": true}, {"criteria": "cpe:2.3:o:suse:linux_enterprise_server:11:sp2:*:*:ltss:*:*:*", "matchCriteriaId": "CB6476C7-03F2-4939-AB85-69AA524516D9", "vulnerable": true}, {"criteria": "cpe:2.3:o:suse:linux_enterprise_server:11:sp3:*:*:ltss:*:*:*", "matchCriteriaId": "B12243B2-D726-404C-ABFF-F1AB51BA1783", "vulnerable": true}, {"criteria": "cpe:2.3:o:suse:linux_enterprise_server:11:sp4:*:*:*:*:*:*", "matchCriteriaId": "55C5561F-BE86-4EEA-99D4-8697F8BD9DFE", "vulnerable": true}, {"criteria": "cpe:2.3:o:suse:linux_enterprise_server:12:sp1:*:*:*:*:*:*", "matchCriteriaId": "2076747F-A98E-4DD9-9B52-BF1732BCAD3D", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:siemens:simatic_net_cp_443-1_opc_ua_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "22EFD09A-3D77-47B0-93FB-50F6C13A2F9A", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:siemens:simatic_net_cp_443-1_opc_ua:-:*:*:*:*:*:*:*", "matchCriteriaId": "7F488810-73E3-4475-975A-C2FCA037E78B", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}], "cveTags": [], "descriptions": [{"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."}, {"lang": "es", "value": "ntpd en NTP 4.x en versiones anteriores a 4.2.8p8, cuando est\u00e1 habilitada la autoclave, permite a atacantes remotos provocar una denegaci\u00f3n de servicio (limpiando el par variable y corte de asociaci\u00f3n) enviando (1) un paquete crypto-NAK manipulado o (2) un paquete con un valor MAC incorrecto en un momento determinado."}], "id": "CVE-2016-4955", "lastModified": "2026-06-17T00:48:29.747", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 4.3, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:P", "version": "2.0"}, "exploitabilityScore": 8.6, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 5.9, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 2.2, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2016-07-05T01:59:02.267", "references": [{"source": "cve@mitre.org", "tags": ["Issue Tracking", "Vendor Advisory"], "url": "http://bugs.ntp.org/3043"}, {"source": "cve@mitre.org", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00018.html"}, {"source": "cve@mitre.org", "url": "http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00020.html"}, {"source": "cve@mitre.org", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00023.html"}, {"source": "cve@mitre.org", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00024.html"}, {"source": "cve@mitre.org", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00028.html"}, {"source": "cve@mitre.org", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00040.html"}, {"source": "cve@mitre.org", "url": "http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00026.html"}, {"source": "cve@mitre.org", "url": "http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00042.html"}, {"source": "cve@mitre.org", "url": "http://packetstormsecurity.com/files/137321/Slackware-Security-Advisory-ntp-Updates.html"}, {"source": "cve@mitre.org", "url": "http://packetstormsecurity.com/files/137322/FreeBSD-Security-Advisory-FreeBSD-SA-16-24.ntp.html"}, {"source": "cve@mitre.org", "tags": ["Patch", "Vendor Advisory"], "url": "http://support.ntp.org/bin/view/Main/NtpBug3043"}, {"source": "cve@mitre.org", "tags": ["Release Notes", "Vendor Advisory"], "url": "http://support.ntp.org/bin/view/Main/SecurityNotice"}, {"source": "cve@mitre.org", "url": "http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160603-ntpd"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory", "US Government Resource"], "url": "http://www.kb.cert.org/vuls/id/321640"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html"}, {"source": "cve@mitre.org", "url": "http://www.securityfocus.com/archive/1/538599/100/0/threaded"}, {"source": "cve@mitre.org", "url": "http://www.securityfocus.com/archive/1/538600/100/0/threaded"}, {"source": "cve@mitre.org", "url": "http://www.securityfocus.com/archive/1/archive/1/538599/100/0/threaded"}, {"source": "cve@mitre.org", "url": "http://www.securityfocus.com/archive/1/archive/1/538600/100/0/threaded"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://www.securityfocus.com/bid/91007"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://www.securitytracker.com/id/1036037"}, {"source": "cve@mitre.org", "url": "http://www.ubuntu.com/usn/USN-3096-1"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-211752.pdf"}, {"source": "cve@mitre.org", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/K3EYJQHJZ2KTVQ7ICEFHXTLZ36MRASWX/"}, {"source": "cve@mitre.org", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ORAMN3Q7TVJ54MBYF75XCJOE3DP7LYHT/"}, {"source": "cve@mitre.org", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WNWGCQLW2VY72NIUYMJOCAKJKTXHDUK2/"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "https://security.FreeBSD.org/advisories/FreeBSD-SA-16:24.ntp.asc"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "https://security.gentoo.org/glsa/201607-15"}, {"source": "cve@mitre.org", "url": "https://us-cert.cisa.gov/ics/advisories/icsa-21-159-11"}, {"source": "cve@mitre.org", "url": "https://www.kb.cert.org/vuls/id/321640"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Issue Tracking", "Vendor Advisory"], "url": "http://bugs.ntp.org/3043"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00018.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", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00023.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00024.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00028.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00040.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://packetstormsecurity.com/files/137321/Slackware-Security-Advisory-ntp-Updates.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://packetstormsecurity.com/files/137322/FreeBSD-Security-Advisory-FreeBSD-SA-16-24.ntp.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Vendor Advisory"], "url": "http://support.ntp.org/bin/view/Main/NtpBug3043"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Release Notes", "Vendor Advisory"], "url": "http://support.ntp.org/bin/view/Main/SecurityNotice"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160603-ntpd"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory", "US Government Resource"], "url": "http://www.kb.cert.org/vuls/id/321640"}, {"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", "url": "http://www.securityfocus.com/archive/1/538599/100/0/threaded"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.securityfocus.com/archive/1/538600/100/0/threaded"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.securityfocus.com/archive/1/archive/1/538599/100/0/threaded"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.securityfocus.com/archive/1/archive/1/538600/100/0/threaded"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://www.securityfocus.com/bid/91007"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://www.securitytracker.com/id/1036037"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.ubuntu.com/usn/USN-3096-1"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-211752.pdf"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/K3EYJQHJZ2KTVQ7ICEFHXTLZ36MRASWX/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ORAMN3Q7TVJ54MBYF75XCJOE3DP7LYHT/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WNWGCQLW2VY72NIUYMJOCAKJKTXHDUK2/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://security.FreeBSD.org/advisories/FreeBSD-SA-16:24.ntp.asc"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://security.gentoo.org/glsa/201607-15"}, {"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.kb.cert.org/vuls/id/321640"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-362"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"acknowledgement": "This issue was discovered by Miroslav Lichvar (Red Hat).", "bugzilla": {"description": "ntp: autokey association reset", "id": "1340858", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1340858"}, "csaw": false, "cvss": {"cvss_base_score": "2.6", "cvss_scoring_vector": "AV:N/AC:H/Au:N/C:N/I:N/A:P", "status": "draft"}, "details": ["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."], "mitigation": {"lang": "en:us", "value": "Disable autokey authentication. Instead, configure ntp to use symmetric key authentication, or no authentication at all (if not required). To configure ntp with symmetric key authentication, follow the steps at https://access.redhat.com/solutions/393663"}, "name": "CVE-2016-4955", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Will not fix", "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": "2016-06-02T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2016-4955\nhttps://nvd.nist.gov/vuln/detail/CVE-2016-4955\nhttp://support.ntp.org/bin/view/Main/SecurityNotice#June_2016_ntp_4_2_8p8_NTP_Securi"], "threat_severity": "Low"}

{}