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{"affected_release": [{"advisory": "RHSA-2016:0780", "cpe": "cpe:/o:redhat:enterprise_linux:6", "package": "ntp-0:4.2.6p5-10.el6", "product_name": "Red Hat Enterprise Linux 6", "release_date": "2016-05-10T00:00:00Z"}, {"advisory": "RHSA-2016:2583", "cpe": "cpe:/o:redhat:enterprise_linux:7", "package": "ntp-0:4.2.6p5-25.el7", "product_name": "Red Hat Enterprise Linux 7", "release_date": "2016-11-03T00:00:00Z"}], "bugzilla": {"description": "ntp: incomplete checks in ntp_crypto.c", "id": "1274254", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1274254"}, "csaw": false, "cvss": {"cvss_base_score": "4.0", "cvss_scoring_vector": "AV:N/AC:H/Au:N/C:P/I:N/A:P", "status": "verified"}, "details": ["The crypto_xmit function in ntpd in NTP 4.2.x before 4.2.8p4, and 4.3.x before 4.3.77 allows remote attackers to cause a denial of service (crash). NOTE: This vulnerability exists due to an incomplete fix for CVE-2014-9750.", "It was found that the fix for CVE-2014-9750 was incomplete: three issues were found in the value length checks in NTP's ntp_crypto.c, where a packet with particular autokey operations that contained malicious data was not always being completely validated. A remote attacker could use a specially crafted NTP packet to crash ntpd."], "mitigation": {"lang": "en:us", "value": "Disable NTP autokey authentication by removing, or commenting out, all configuration directives beginning with the 'crypto' keyword in your ntp.conf file."}, "name": "CVE-2015-7692", "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": "2015-10-21T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2015-7692\nhttps://nvd.nist.gov/vuln/detail/CVE-2015-7692\nhttp://support.ntp.org/bin/view/Main/SecurityNotice#October_2015_NTP_Security_Vulner\nhttps://github.com/ntp-project/ntp/blob/stable/NEWS#L11"], "threat_severity": "Moderate", "upstream_fix": "ntp 4.2.8p4"}