{
  "threat_severity" : "Low",
  "public_date" : "2016-01-20T00:00:00Z",
  "bugzilla" : {
    "description" : "ntp: missing key check allows impersonation between authenticated peers (VU#357792)",
    "id" : "1297471",
    "url" : "https://bugzilla.redhat.com/show_bug.cgi?id=1297471"
  },
  "cvss" : {
    "cvss_base_score" : "3.6",
    "cvss_scoring_vector" : "AV:N/AC:H/Au:S/C:N/I:P/A:P",
    "status" : "verified"
  },
  "cwe" : "CWE-304",
  "details" : [ "NTP 4.x before 4.2.8p6 and 4.3.x before 4.3.90 do not verify peer associations of symmetric keys when authenticating packets, which might allow remote attackers to conduct impersonation attacks via an arbitrary trusted key, aka a \"skeleton key.\"", "A flaw was found in the way NTP verified trusted keys during symmetric key authentication. An authenticated client (A) could use this flaw to modify a packet sent between a server (B) and a client (C) using a key that is different from the one known to the client (A)." ],
  "statement" : "Red Hat Product Security has rated this issue as having Low security impact. 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/.",
  "affected_release" : [ {
    "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"
  }, {
    "product_name" : "Red Hat Enterprise Linux 6",
    "fix_state" : "Will not fix",
    "package_name" : "ntp",
    "cpe" : "cpe:/o:redhat:enterprise_linux:6"
  } ],
  "references" : [ "https://www.cve.org/CVERecord?id=CVE-2015-7974\nhttps://nvd.nist.gov/vuln/detail/CVE-2015-7974\nhttp://support.ntp.org/bin/view/Main/NtpBug2936\nhttp://www.talosintel.com/reports/TALOS-2016-0071/" ],
  "name" : "CVE-2015-7974",
  "csaw" : false
}