{
  "threat_severity" : "Important",
  "public_date" : "2017-10-16T00:00:00Z",
  "bugzilla" : {
    "description" : "wpa_supplicant: Reinstallation of the pairwise key in the 4-way handshake",
    "id" : "1491692",
    "url" : "https://bugzilla.redhat.com/show_bug.cgi?id=1491692"
  },
  "cvss3" : {
    "cvss3_base_score" : "8.1",
    "cvss3_scoring_vector" : "CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N",
    "status" : "verified"
  },
  "cwe" : "CWE-323",
  "details" : [ "Wi-Fi Protected Access (WPA and WPA2) allows reinstallation of the Pairwise Transient Key (PTK) Temporal Key (TK) during the four-way handshake, allowing an attacker within radio range to replay, decrypt, or spoof frames.", "A new exploitation technique called key reinstallation attacks (KRACKs) affecting WPA2 has been discovered. A remote attacker within Wi-Fi range could exploit this attack to decrypt Wi-Fi traffic or possibly inject forged Wi-Fi packets by reinstalling a previously used pairwise key (PTK-TK) during a 4-way handshake." ],
  "statement" : "This issue affects the versions of wpa_supplicant as shipped with Red Hat Enterprise Linux 5, 6, and 7.",
  "acknowledgement" : "Red Hat would like to thank CERT for reporting this issue. Upstream acknowledges Mathy Vanhoef (University of Leuven) as the original reporter.",
  "affected_release" : [ {
    "product_name" : "Red Hat Enterprise Linux 6",
    "release_date" : "2017-10-18T00:00:00Z",
    "advisory" : "RHSA-2017:2911",
    "cpe" : "cpe:/o:redhat:enterprise_linux:6",
    "package" : "wpa_supplicant-1:0.7.3-9.el6_9.2"
  }, {
    "product_name" : "Red Hat Enterprise Linux 7",
    "release_date" : "2017-10-17T00:00:00Z",
    "advisory" : "RHSA-2017:2907",
    "cpe" : "cpe:/o:redhat:enterprise_linux:7",
    "package" : "wpa_supplicant-1:2.6-5.el7_4.1"
  } ],
  "package_state" : [ {
    "product_name" : "Red Hat Enterprise Linux 5",
    "fix_state" : "Will not fix",
    "package_name" : "wpa_supplicant",
    "cpe" : "cpe:/o:redhat:enterprise_linux:5"
  } ],
  "references" : [ "https://www.cve.org/CVERecord?id=CVE-2017-13077\nhttps://nvd.nist.gov/vuln/detail/CVE-2017-13077\nhttps://access.redhat.com/security/vulnerabilities/kracks\nhttps://w1.fi/security/2017-1/wpa-packet-number-reuse-with-replayed-messages.txt\nhttps://www.krackattacks.com/" ],
  "csaw" : true,
  "name" : "CVE-2017-13077"
}