{
  "threat_severity" : "Moderate",
  "public_date" : "2015-10-21T00:00:00Z",
  "bugzilla" : {
    "description" : "ntp: incomplete checks in ntp_crypto.c",
    "id" : "1274254",
    "url" : "https://bugzilla.redhat.com/show_bug.cgi?id=1274254"
  },
  "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." ],
  "affected_release" : [ {
    "product_name" : "Red Hat Enterprise Linux 6",
    "release_date" : "2016-05-10T00:00:00Z",
    "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 7",
    "release_date" : "2016-11-03T00:00:00Z",
    "advisory" : "RHSA-2016:2583",
    "cpe" : "cpe:/o:redhat:enterprise_linux:7",
    "package" : "ntp-0:4.2.6p5-25.el7"
  } ],
  "package_state" : [ {
    "product_name" : "Red Hat Enterprise Linux 5",
    "fix_state" : "Will not fix",
    "package_name" : "ntp",
    "cpe" : "cpe:/o:redhat:enterprise_linux:5"
  } ],
  "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" ],
  "name" : "CVE-2015-7692",
  "mitigation" : {
    "value" : "Disable NTP autokey authentication by removing, or commenting out, all configuration directives beginning with the 'crypto' keyword in your ntp.conf file.",
    "lang" : "en:us"
  },
  "csaw" : false
}