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{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:ntp:ntp:4.2.8:p4:*:*:*:*:*:*", "matchCriteriaId": "99C71C00-7222-483B-AEFB-159337BD3C92", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "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."}, {"lang": "es", "value": "Un par malicioso autenticado puede crear arbitrariamente muchas asociaciones ef\u00edmeras para ganar el algoritmo de selecci\u00f3n de reloj en ntpd en NTP 4.2.8p4 y versiones anteriores y NTPsec 3e160db8dc248a0bcb053b56a80167dc742d2b74 y a5fb34b9cc89b92a8fef2f459004865c93bb7f92 y modificar un reloj de una v\u00edctima."}], "id": "CVE-2016-1549", "lastModified": "2024-11-21T02:46:37.430", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "SINGLE", "availabilityImpact": "NONE", "baseScore": 4.0, "confidentialityImpact": "NONE", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:L/Au:S/C:N/I:P/A:N", "version": "2.0"}, "exploitabilityScore": 8.0, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "[email protected]", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV30": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N", "version": "3.0"}, "exploitabilityScore": 2.8, "impactScore": 3.6, "source": "[email protected]", "type": "Primary"}]}, "published": "2017-01-06T21:59:00.383", "references": [{"source": "[email protected]", "url": "http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html"}, {"source": "[email protected]", "url": "http://www.securityfocus.com/bid/88200"}, {"source": "[email protected]", "url": "http://www.securitytracker.com/id/1035705"}, {"source": "[email protected]", "tags": ["Mitigation", "Technical Description", "Third Party Advisory"], "url": "http://www.talosintelligence.com/reports/TALOS-2016-0083/"}, {"source": "[email protected]", "url": "https://security.FreeBSD.org/advisories/FreeBSD-SA-16:16.ntp.asc"}, {"source": "[email protected]", "url": "https://security.gentoo.org/glsa/201607-15"}, {"source": "[email protected]", "url": "https://security.netapp.com/advisory/ntap-20171004-0002/"}, {"source": "[email protected]", "url": "https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbux03962en_us"}, {"source": "[email protected]", "url": "https://www.synology.com/support/security/Synology_SA_18_13"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.securityfocus.com/bid/88200"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.securitytracker.com/id/1035705"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mitigation", "Technical Description", "Third Party Advisory"], "url": "http://www.talosintelligence.com/reports/TALOS-2016-0083/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://security.FreeBSD.org/advisories/FreeBSD-SA-16:16.ntp.asc"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://security.gentoo.org/glsa/201607-15"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://security.netapp.com/advisory/ntap-20171004-0002/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbux03962en_us"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://www.synology.com/support/security/Synology_SA_18_13"}], "sourceIdentifier": "[email protected]", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-19"}], "source": "[email protected]", "type": "Primary"}]}

{"bugzilla": {"description": "ntp: ephemeral association time spoofing", "id": "1331463", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1331463"}, "csaw": false, "cvss": {"cvss_base_score": "3.5", "cvss_scoring_vector": "AV:N/AC:M/Au:S/C:N/I:P/A:N", "status": "draft"}, "details": ["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."], "mitigation": {"lang": "en:us", "value": "Assure only trusted hosts have access to the trustedkey."}, "name": "CVE-2016-1549", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Will not fix", "package_name": "ntp", "product_name": "Red Hat Enterprise Linux 5"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Will not fix", "package_name": "ntp", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Will not fix", "package_name": "ntp", "product_name": "Red Hat Enterprise Linux 7"}], "public_date": "2016-04-26T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2016-1549\nhttps://nvd.nist.gov/vuln/detail/CVE-2016-1549\nhttp://support.ntp.org/bin/view/Main/SecurityNotice#April_2016_NTP_4_2_8p7_Security\nhttp://www.talosintel.com/reports/TALOS-2016-0083/"], "statement": "Red Hat Product Security has rated this issue as having Low security impact: to exploit this issue, an attacker must have access to a trustedkey if one is configured in the /etc/ntp.key file. This issue is not currently planned to be addressed in future updates. For additional information, refer to the Issue Severity Classification: https://access.redhat.com/security/updates/classification/.", "threat_severity": "Low", "upstream_fix": "ntp 4.2.8p7"}