{ "containers": { "cna": { "affected": [ { "product": "NTP", "vendor": "NTP Project", "versions": [ { "status": "affected", "version": "4.2.8p3" }, { "status": "affected", "version": "4.2.8p4" } ] }, { "product": "NTPSec", "vendor": "NTPsec Project", "versions": [ { "status": "affected", "version": "a5fb34b9cc89b92a8fef2f459004865c93bb7f92" } ] } ], "datePublic": "2016-04-26T00:00:00.000Z", "descriptions": [ { "lang": "en", "value": "An off-path attacker can cause a preemptible client association to be demobilized in NTP 4.2.8p4 and earlier and NTPSec a5fb34b9cc89b92a8fef2f459004865c93bb7f92 by sending a crypto NAK packet to a victim client with a spoofed source address of an existing associated peer. 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This is true even if authentication is enabled." } ] }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "eng", "value": "unspecified" } ] } ] }, "references": { "reference_data": [ { "name": "88276", "refsource": "BID", "url": "http://www.securityfocus.com/bid/88276" }, { "name": "DSA-3629", "refsource": "DEBIAN", "url": "http://www.debian.org/security/2016/dsa-3629" }, { "name": "http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html", "refsource": "CONFIRM", "url": "http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html" }, { "name": "RHSA-2016:1141", "refsource": "REDHAT", "url": "https://access.redhat.com/errata/RHSA-2016:1141" }, { "name": "RHSA-2016:1552", "refsource": "REDHAT", "url": "http://rhn.redhat.com/errata/RHSA-2016-1552.html" }, { "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": "http://www.talosintelligence.com/reports/TALOS-2016-0081/", "refsource": "MISC", "url": "http://www.talosintelligence.com/reports/TALOS-2016-0081/" }, { "name": "FreeBSD-SA-16:16", "refsource": "FREEBSD", "url": "https://security.FreeBSD.org/advisories/FreeBSD-SA-16:16.ntp.asc" }, { "name": "GLSA-201607-15", "refsource": "GENTOO", "url": "https://security.gentoo.org/glsa/201607-15" }, { "name": "https://cert-portal.siemens.com/productcert/pdf/ssa-497656.pdf", "refsource": "CONFIRM", "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-497656.pdf" }, { "name": 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