{
  "threat_severity" : "Moderate",
  "public_date" : "2013-08-09T00:00:00Z",
  "bugzilla" : {
    "description" : "chrony: Two security flaws fixed in chrony-1.29 release",
    "id" : "846392",
    "url" : "https://bugzilla.redhat.com/show_bug.cgi?id=846392"
  },
  "cvss" : {
    "cvss_base_score" : "5.0",
    "cvss_scoring_vector" : "AV:N/AC:L/Au:N/C:N/I:N/A:P",
    "status" : "draft"
  },
  "details" : [ "Multiple integer overflows in pktlength.c in Chrony before 1.29 allow remote attackers to cause a denial of service (crash) via a crafted (1) REQ_SUBNETS_ACCESSED or (2) REQ_CLIENT_ACCESSES command request to the PKL_CommandLength function or crafted (3) RPY_SUBNETS_ACCESSED, (4) RPY_CLIENT_ACCESSES, (5) RPY_CLIENT_ACCESSES_BY_INDEX, or (6) RPY_MANUAL_LIST command reply to the PKL_ReplyLength function, which triggers an out-of-bounds read or buffer overflow.  NOTE: versions 1.27 and 1.28 do not require authentication to exploit." ],
  "acknowledgement" : "This issue was discovered by Florian Weimer (Red Hat) and Miroslav Lichvar (Red Hat).",
  "package_state" : [ {
    "product_name" : "Red Hat Enterprise Linux 7",
    "fix_state" : "Not affected",
    "package_name" : "chrony",
    "cpe" : "cpe:/o:redhat:enterprise_linux:7"
  } ],
  "references" : [ "https://www.cve.org/CVERecord?id=CVE-2012-4502\nhttps://nvd.nist.gov/vuln/detail/CVE-2012-4502" ],
  "name" : "CVE-2012-4502",
  "csaw" : false
}