{
  "schema_version": "1.4.0",
  "id": "GHSA-m739-9w4c-mx4g",
  "modified": "2022-05-24T19:13:15Z",
  "published": "2022-05-24T19:13:15Z",
  "aliases": [
    "CVE-2021-34147"
  ],
  "details": "The Bluetooth Classic implementation in the Cypress WICED BT stack through 2.9.0 for CYW20735B1 does not properly handle the reception of a malformed LMP timing accuracy response followed by multiple reconnections to the link slave, allowing attackers to exhaust device BT resources and eventually trigger a crash via multiple attempts of sending a crafted LMP timing accuracy response followed by a sudden reconnection with a random BDAddress.",
  "severity": [],
  "affected": [],
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-34147"
    },
    {
      "type": "WEB",
      "url": "https://dl.packetstormsecurity.net/papers/general/braktooth.pdf"
    },
    {
      "type": "WEB",
      "url": "https://www.cypress.com/documentation/datasheets/cyw20735b1-single-chip-bluetooth-transceiver-wireless-input-devices"
    }
  ],
  "database_specific": {
    "cwe_ids": [],
    "severity": "MODERATE",
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2021-09-07T07:15:00Z"
  }
}