{"id":"CVE-2016-1549","state":"PUBLISHED","title":"A malicious authenticated peer can create arbitrarily-many ephemeral associations in order to win the clock selection algorithm in ntpd in NTP 4.2.8p4 and earlier and NTPsec 3e160d","description":"A malicious authenticated peer can create arbitrarily-many ephemeral associations in order to win the clock selection algorithm in ntpd in NTP 4.2.8p4 and earlier and NTPsec 3e160db8dc248a0bcb053b56a80167dc742d2b74 and a5fb34b9cc89b92a8fef2f459004865c93bb7f92 and modify a victim's clock.","publishedAt":"2017-01-06T21:00:00.000Z","updatedAt":"2024-08-05T23:02:12.001Z","severity":null,"assigner":"certcc","products":["NTP Project NTP","NTPsec Project NTPSec"],"affected":[{"vendor":"NTP Project","product":"NTP","versions":[{"version":"4.2.8p3","status":"affected"},{"version":"4.2.8p4","status":"affected"}]},{"vendor":"NTPsec Project","product":"NTPSec","versions":[{"version":"3e160db8dc248a0bcb053b56a80167dc742d2b74","status":"affected"},{"version":"a5fb34b9cc89b92a8fef2f459004865c93bb7f92","status":"affected"}]}],"references":["http://www.talosintelligence.com/reports/TALOS-2016-0083/","http://www.securityfocus.com/bid/88200","http://www.securitytracker.com/id/1035705","http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html","https://security.netapp.com/advisory/ntap-20171004-0002/","https://security.FreeBSD.org/advisories/FreeBSD-SA-16:16.ntp.asc","https://www.synology.com/support/security/Synology_SA_18_13","https://security.gentoo.org/glsa/201607-15","https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbux03962en_us"],"weaknesses":[],"ingestedAt":"2026-10-29T19:42:33.324Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2016/1xxx/CVE-2016-1549.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2016-1549","state":"PUBLISHED","datePublished":"2017-01-06T21:00:00.000Z","dateUpdated":"2024-08-05T23:02:12.001Z","assignerShortName":"certcc","assignerOrgId":"37e5125f-f79b-445b-8fad-9564f167944b","dateReserved":"2016-01-07T00:00:00.000Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"A malicious authenticated peer can create arbitrarily-many ephemeral associations in order to win the clock selection algorithm in ntpd in NTP 4.2.8p4 and earlier and NTPsec 3e160db8dc248a0bcb053b56a80167dc742d2b74 and a5fb34b9cc89b92a8fef2f459004865c93bb7f92 and modify a victim's clock."}],"affected":[{"vendor":"NTP Project","product":"NTP","versions":[{"version":"4.2.8p3","status":"affected"},{"version":"4.2.8p4","status":"affected"}]},{"vendor":"NTPsec Project","product":"NTPSec","versions":[{"version":"3e160db8dc248a0bcb053b56a80167dc742d2b74","status":"affected"},{"version":"a5fb34b9cc89b92a8fef2f459004865c93bb7f92","status":"affected"}]}],"references":[{"url":"http://www.talosintelligence.com/reports/TALOS-2016-0083/","tags":["x_refsource_MISC"]},{"url":"http://www.securityfocus.com/bid/88200","name":"88200","tags":["vdb-entry","x_refsource_BID"]},{"url":"http://www.securitytracker.com/id/1035705","name":"1035705","tags":["vdb-entry","x_refsource_SECTRACK"]},{"url":"http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html","tags":["x_refsource_CONFIRM"]},{"url":"https://security.netapp.com/advisory/ntap-20171004-0002/","tags":["x_refsource_CONFIRM"]},{"url":"https://security.FreeBSD.org/advisories/FreeBSD-SA-16:16.ntp.asc","name":"FreeBSD-SA-16:16","tags":["vendor-advisory","x_refsource_FREEBSD"]},{"url":"https://www.synology.com/support/security/Synology_SA_18_13","tags":["x_refsource_CONFIRM"]},{"url":"https://security.gentoo.org/glsa/201607-15","name":"GLSA-201607-15","tags":["vendor-advisory","x_refsource_GENTOO"]},{"url":"https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbux03962en_us","tags":["x_refsource_CONFIRM"]}],"problemTypes":[{"descriptions":[{"description":"unspecified","lang":"en","type":"text"}]}],"providerMetadata":{"shortName":"certcc","dateUpdated":"2019-10-31T18:06:28.000Z","orgId":"37e5125f-f79b-445b-8fad-9564f167944b"},"datePublic":"2016-04-26T00:00:00.000Z","x_legacyV4Record":{"CVE_data_meta":{"ASSIGNER":"cert@cert.org","ID":"CVE-2016-1549","STATE":"PUBLIC"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"NTP","version":{"version_data":[{"version_value":"4.2.8p3"},{"version_value":"4.2.8p4"}]}}]},"vendor_name":"NTP Project"},{"product":{"product_data":[{"product_name":"NTPSec","version":{"version_data":[{"version_value":"3e160db8dc248a0bcb053b56a80167dc742d2b74"},{"version_value":"a5fb34b9cc89b92a8fef2f459004865c93bb7f92"}]}}]},"vendor_name":"NTPsec Project"}]}},"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"A malicious authenticated peer can create arbitrarily-many ephemeral associations in order to win the clock selection algorithm in ntpd in NTP 4.2.8p4 and earlier and NTPsec 3e160db8dc248a0bcb053b56a80167dc742d2b74 and a5fb34b9cc89b92a8fef2f459004865c93bb7f92 and modify a victim's clock."}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"unspecified"}]}]},"references":{"reference_data":[{"name":"http://www.talosintelligence.com/reports/TALOS-2016-0083/","refsource":"MISC","url":"http://www.talosintelligence.com/reports/TALOS-2016-0083/"},{"name":"88200","refsource":"BID","url":"http://www.securityfocus.com/bid/88200"},{"name":"1035705","refsource":"SECTRACK","url":"http://www.securitytracker.com/id/1035705"},{"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":"https://security.netapp.com/advisory/ntap-20171004-0002/","refsource":"CONFIRM","url":"https://security.netapp.com/advisory/ntap-20171004-0002/"},{"name":"FreeBSD-SA-16:16","refsource":"FREEBSD","url":"https://security.FreeBSD.org/advisories/FreeBSD-SA-16:16.ntp.asc"},{"name":"https://www.synology.com/support/security/Synology_SA_18_13","refsource":"CONFIRM","url":"https://www.synology.com/support/security/Synology_SA_18_13"},{"name":"GLSA-201607-15","refsource":"GENTOO","url":"https://security.gentoo.org/glsa/201607-15"},{"name":"https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbux03962en_us","refsource":"CONFIRM","url":"https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbux03962en_us"}]}}},"adp":[{"title":"CVE Program Container","references":[{"url":"http://www.talosintelligence.com/reports/TALOS-2016-0083/","tags":["x_refsource_MISC","x_transferred"]},{"url":"http://www.securityfocus.com/bid/88200","name":"88200","tags":["vdb-entry","x_refsource_BID","x_transferred"]},{"url":"http://www.securitytracker.com/id/1035705","name":"1035705","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred"]},{"url":"http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"https://security.netapp.com/advisory/ntap-20171004-0002/","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"https://security.FreeBSD.org/advisories/FreeBSD-SA-16:16.ntp.asc","name":"FreeBSD-SA-16:16","tags":["vendor-advisory","x_refsource_FREEBSD","x_transferred"]},{"url":"https://www.synology.com/support/security/Synology_SA_18_13","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"https://security.gentoo.org/glsa/201607-15","name":"GLSA-201607-15","tags":["vendor-advisory","x_refsource_GENTOO","x_transferred"]},{"url":"https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbux03962en_us","tags":["x_refsource_CONFIRM","x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-05T23:02:12.001Z"}}]}}}