{ "containers": { "cna": { "affected": [ { "product": "NTP", "vendor": "NTP Project", "versions": [ { "status": "affected", "version": "4.2.8p4" } ] }, { "product": "NTPSec", "vendor": "NTPsec Project", "versions": [ { "status": "affected", "version": "aa48d001683e5b791a743ec9c575aaf7d867a2b0c" } ] } ], "datePublic": "2016-04-26T00:00:00.000Z", "descriptions": [ { "lang": "en", "value": "An attacker can spoof a packet from a legitimate ntpd server with an origin timestamp that matches the peer->dst timestamp recorded for that server. After making this switch, the client in NTP 4.2.8p4 and earlier and NTPSec aa48d001683e5b791a743ec9c575aaf7d867a2b0c will reject all future legitimate server responses. 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"https://cert-portal.siemens.com/productcert/pdf/ssa-497656.pdf" }, { "tags": [ "x_refsource_MISC" ], "url": "https://us-cert.cisa.gov/ics/advisories/icsa-21-103-11" }, { "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" }, { "tags": [ "x_refsource_MISC" ], "url": "https://www.arista.com/en/support/advisories-notices/security-advisories/1332-security-advisory-19" } ], "x_legacyV4Record": { "CVE_data_meta": { "ASSIGNER": "cert@cert.org", "ID": "CVE-2016-1548", "STATE": "PUBLIC" }, "affects": { "vendor": { "vendor_data": [ { "product": { "product_data": [ { "product_name": "NTP", "version": { "version_data": [ { "version_value": "4.2.8p4" } ] } } ] }, "vendor_name": "NTP Project" }, { "product": { "product_data": [ { "product_name": "NTPSec", "version": { "version_data": [ { "version_value": 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