{
  "threat_severity" : "Moderate",
  "public_date" : "2013-11-04T00:00:00Z",
  "bugzilla" : {
    "description" : "krb5: multi-realm KDC null dereference leads to crash",
    "id" : "1026942",
    "url" : "https://bugzilla.redhat.com/show_bug.cgi?id=1026942"
  },
  "cvss" : {
    "cvss_base_score" : "4.3",
    "cvss_scoring_vector" : "AV:N/AC:M/Au:N/C:N/I:N/A:P",
    "status" : "verified"
  },
  "cwe" : "CWE-476",
  "details" : [ "The setup_server_realm function in main.c in the Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) before 1.10.7, when multiple realms are configured, allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via a crafted request.", "It was found that if a KDC served multiple realms, certain requests could cause the setup_server_realm() function to dereference a NULL pointer. A remote, unauthenticated attacker could use this flaw to crash the KDC using a specially crafted request." ],
  "affected_release" : [ {
    "product_name" : "Red Hat Enterprise Linux 5",
    "release_date" : "2014-09-16T00:00:00Z",
    "advisory" : "RHSA-2014:1245",
    "cpe" : "cpe:/o:redhat:enterprise_linux:5",
    "package" : "krb5-0:1.6.1-78.el5"
  }, {
    "product_name" : "Red Hat Enterprise Linux 6",
    "release_date" : "2014-10-13T00:00:00Z",
    "advisory" : "RHSA-2014:1389",
    "cpe" : "cpe:/o:redhat:enterprise_linux:6",
    "package" : "krb5-0:1.10.3-33.el6"
  } ],
  "package_state" : [ {
    "product_name" : "Red Hat Enterprise Linux 7",
    "fix_state" : "Not affected",
    "package_name" : "krb5",
    "cpe" : "cpe:/o:redhat:enterprise_linux:7"
  } ],
  "references" : [ "https://www.cve.org/CVERecord?id=CVE-2013-1418\nhttps://nvd.nist.gov/vuln/detail/CVE-2013-1418" ],
  "name" : "CVE-2013-1418",
  "csaw" : false
}