{
    "CVE_data_meta": {
        "ASSIGNER": "cve@mitre.org",
        "ID": "CVE-2016-4954",
        "STATE": "PUBLIC"
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "product": {
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                                "product_name": "n/a",
                                "version": {
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                                            "version_value": "n/a"
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                    "vendor_name": "n/a"
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    "data_type": "CVE",
    "data_version": "4.0",
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "The process_packet function in ntp_proto.c in ntpd in NTP 4.x before 4.2.8p8 allows remote attackers to cause a denial of service (peer-variable modification) by sending spoofed packets from many source IP addresses in a certain scenario, as demonstrated by triggering an incorrect leap indication."
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            {
                "name": "SUSE-SU-2016:1602",
                "refsource": "SUSE",
                "url": "http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00028.html"
            },
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                "refsource": "UBUNTU",
                "name": "USN-3096-1",
                "url": "http://www.ubuntu.com/usn/USN-3096-1"
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            {
                "refsource": "FEDORA",
                "name": "FEDORA-2016-c3bd6a3496",
                "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"
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            {
                "refsource": "SUSE",
                "name": "SUSE-SU-2016:1912",
                "url": "http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00026.html"
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            {
                "refsource": "FEDORA",
                "name": "FEDORA-2016-89e0874533",
                "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ORAMN3Q7TVJ54MBYF75XCJOE3DP7LYHT/"
            },
            {
                "name": "https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03757en_us",
                "refsource": "CONFIRM",
                "url": "https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbhf03757en_us"
            },
            {
                "name": "1036037",
                "refsource": "SECTRACK",
                "url": "http://www.securitytracker.com/id/1036037"
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            {
                "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"
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            {
                "name": "http://support.ntp.org/bin/view/Main/NtpBug3044",
                "refsource": "CONFIRM",
                "url": "http://support.ntp.org/bin/view/Main/NtpBug3044"
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            {
                "refsource": "SUSE",
                "name": "SUSE-SU-2016:2094",
                "url": "http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00042.html"
            },
            {
                "name": "VU#321640",
                "refsource": "CERT-VN",
                "url": "http://www.kb.cert.org/vuls/id/321640"
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            {
                "name": "http://support.ntp.org/bin/view/Main/SecurityNotice",
                "refsource": "CONFIRM",
                "url": "http://support.ntp.org/bin/view/Main/SecurityNotice"
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            {
                "refsource": "FEDORA",
                "name": "FEDORA-2016-50b0066b7f",
                "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": "http://bugs.ntp.org/3044",
                "refsource": "CONFIRM",
                "url": "http://bugs.ntp.org/3044"
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            {
                "name": "SUSE-SU-2016:1563",
                "refsource": "SUSE",
                "url": "http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00018.html"
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            {
                "name": "GLSA-201607-15",
                "refsource": "GENTOO",
                "url": "https://security.gentoo.org/glsa/201607-15"
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            {
                "refsource": "MISC",
                "name": "http://packetstormsecurity.com/files/137321/Slackware-Security-Advisory-ntp-Updates.html",
                "url": "http://packetstormsecurity.com/files/137321/Slackware-Security-Advisory-ntp-Updates.html"
            },
            {
                "refsource": "CISCO",
                "name": "20160603 Multiple Vulnerabilities in Network Time Protocol Daemon Affecting Cisco Products: June 2016",
                "url": "http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160603-ntpd"
            },
            {
                "refsource": "BUGTRAQ",
                "name": "20170607 [security bulletin] HPESBHF03757 rev.1 - HPE Network Products including Comware 5 and Comware 7 running NTP, Remote Denial of Service (DoS)",
                "url": "http://www.securityfocus.com/archive/1/540683/100/0/threaded"
            },
            {
                "refsource": "MISC",
                "name": "http://packetstormsecurity.com/files/137322/FreeBSD-Security-Advisory-FreeBSD-SA-16-24.ntp.html",
                "url": "http://packetstormsecurity.com/files/137322/FreeBSD-Security-Advisory-FreeBSD-SA-16-24.ntp.html"
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            {
                "refsource": "SUSE",
                "name": "SUSE-SU-2016:1568",
                "url": "http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00020.html"
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                "name": "20170607 [security bulletin] HPESBHF03757 rev.1 - HPE Network Products including Comware 5 and Comware 7 running NTP, Remote Denial of Service (DoS)",
                "url": "http://www.securityfocus.com/archive/1/archive/1/540683/100/0/threaded"
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            {
                "refsource": "BUGTRAQ",
                "name": "20160604 FreeBSD Security Advisory FreeBSD-SA-16:24.ntp",
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            {
                "refsource": "CONFIRM",
                "name": "https://cert-portal.siemens.com/productcert/pdf/ssa-497656.pdf",
                "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-497656.pdf"
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            {
                "refsource": "CONFIRM",
                "name": "https://us-cert.cisa.gov/ics/advisories/icsa-21-103-11",
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            {
                "refsource": "CONFIRM",
                "name": "https://cert-portal.siemens.com/productcert/pdf/ssa-211752.pdf",
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                "url": "https://us-cert.cisa.gov/ics/advisories/icsa-21-159-11"
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}