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{"affected_release": [{"advisory": "RHSA-2017:0252", "cpe": "cpe:/o:redhat:enterprise_linux:6", "package": "ntp-0:4.2.6p5-10.el6_8.2", "product_name": "Red Hat Enterprise Linux 6", "release_date": "2017-02-06T00:00:00Z"}, {"advisory": "RHSA-2017:0252", "cpe": "cpe:/o:redhat:enterprise_linux:7", "package": "ntp-0:4.2.6p5-25.el7_3.1", "product_name": "Red Hat Enterprise Linux 7", "release_date": "2017-02-06T00:00:00Z"}], "bugzilla": {"description": "ntp: Null pointer dereference when trap service is enabled", "id": "1398350", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1398350"}, "csaw": false, "cvss": {"cvss_base_score": "4.3", "cvss_scoring_vector": "AV:N/AC:M/Au:N/C:N/I:N/A:P", "status": "verified"}, "cvss3": {"cvss3_base_score": "5.9", "cvss3_scoring_vector": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H", "status": "verified"}, "cwe": "CWE-476", "details": ["ntpd in NTP before 4.2.8p9, when the trap service is enabled, allows remote attackers to cause a denial of service (NULL pointer dereference and crash) via a crafted packet.", "A flaw was found in the way ntpd implemented the trap service. A remote attacker could send a specially crafted packet to cause a null pointer dereference that will crash ntpd, resulting in a denial of service."], "mitigation": {"lang": "en:us", "value": "Use \"restrict default noquery ...\" in your ntp.conf file. Only allow mode 6 queries from trusted networks and hosts."}, "name": "CVE-2016-9311", "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": "2016-11-21T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2016-9311\nhttps://nvd.nist.gov/vuln/detail/CVE-2016-9311\nhttp://support.ntp.org/bin/view/Main/NtpBug3119"], "threat_severity": "Moderate", "upstream_fix": "ntp 4.2.8p9"}