{
   "CVE_data_meta" : {
      "ASSIGNER" : "cve@mitre.org",
      "ID" : "CVE-2016-4955",
      "STATE" : "PUBLIC"
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   "affects" : {
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         "vendor_data" : [
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   "data_version" : "4.0",
   "description" : {
      "description_data" : [
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            "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."
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      "reference_data" : [
         {
            "name" : "http://bugs.ntp.org/3043",
            "refsource" : "CONFIRM",
            "url" : "http://bugs.ntp.org/3043"
         },
         {
            "name" : "http://support.ntp.org/bin/view/Main/NtpBug3043",
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         {
            "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" : "FreeBSD-SA-16:24",
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         },
         {
            "name" : "GLSA-201607-15",
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            "url" : "https://security.gentoo.org/glsa/201607-15"
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         {
            "name" : "SUSE-SU-2016:1563",
            "refsource" : "SUSE",
            "url" : "http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00018.html"
         },
         {
            "name" : "SUSE-SU-2016:1584",
            "refsource" : "SUSE",
            "url" : "http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00024.html"
         },
         {
            "name" : "SUSE-SU-2016:1602",
            "refsource" : "SUSE",
            "url" : "http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00028.html"
         },
         {
            "name" : "openSUSE-SU-2016:1583",
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            "url" : "http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00023.html"
         },
         {
            "name" : "openSUSE-SU-2016:1636",
            "refsource" : "SUSE",
            "url" : "http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00040.html"
         },
         {
            "name" : "VU#321640",
            "refsource" : "CERT-VN",
            "url" : "http://www.kb.cert.org/vuls/id/321640"
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         {
            "name" : "91007",
            "refsource" : "BID",
            "url" : "http://www.securityfocus.com/bid/91007"
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         {
            "name" : "1036037",
            "refsource" : "SECTRACK",
            "url" : "http://www.securitytracker.com/id/1036037"
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}