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"url": "http://support.ntp.org/bin/view/Main/SecurityNotice#March_2017_ntp_4_2_8p10_NTP_Secu"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://www.securityfocus.com/bid/97050"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://www.securitytracker.com/id/1038123"}, {"source": "cve@mitre.org", "url": "https://access.redhat.com/errata/RHSA-2017:3071"}, {"source": "cve@mitre.org", "url": "https://access.redhat.com/errata/RHSA-2018:0855"}, {"source": "cve@mitre.org", "url": "https://security.FreeBSD.org/advisories/FreeBSD-SA-17:03.ntp.asc"}, {"source": "cve@mitre.org", "url": "https://support.apple.com/HT208144"}, {"source": "cve@mitre.org", "url": "https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbux03962en_us"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-20"}], "source": "nvd@nist.gov", "type": 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{"acknowledgement": "Red Hat would like to thank the NTP project for reporting this issue. Upstream acknowledges Cure53 as the original reporter.", "affected_release": [{"advisory": "RHSA-2017:3071", "cpe": "cpe:/o:redhat:enterprise_linux:6", "package": "ntp-0:4.2.6p5-12.el6_9.1", "product_name": "Red Hat Enterprise Linux 6", "release_date": "2017-10-26T00:00:00Z"}, {"advisory": "RHSA-2018:0855", "cpe": "cpe:/o:redhat:enterprise_linux:7", "package": "ntp-0:4.2.6p5-28.el7", "product_name": "Red Hat Enterprise Linux 7", "release_date": "2018-04-10T00:00:00Z"}], "bugzilla": {"description": "ntp: Denial of Service via Malformed Config", "id": "1433987", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1433987"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.3", "cvss3_scoring_vector": "CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "verified"}, "cwe": "CWE-20", "details": ["NTP before 4.2.8p10 and 4.3.x before 4.3.94 allows remote attackers to cause a denial of service (ntpd crash) via a malformed mode configuration directive.", "A vulnerability was discovered in the NTP server's parsing of configuration directives. A remote, authenticated attacker could cause ntpd to crash by sending a crafted message."], "mitigation": {"lang": "en:us", "value": "Properly monitor your ntpd instances, and auto-restart ntpd (without -g) if it stops running."}, "name": "CVE-2017-6464", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Will not fix", "package_name": "ntp", "product_name": "Red Hat Enterprise Linux 5"}], "public_date": "2017-03-21T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2017-6464\nhttps://nvd.nist.gov/vuln/detail/CVE-2017-6464"], "threat_severity": "Moderate", "upstream_fix": "ntp 4.2.8p10, ntp 4.3.94"}