{
  "schema_version": "1.4.0",
  "id": "GHSA-26gw-4gmp-qgf3",
  "modified": "2022-05-13T01:47:01Z",
  "published": "2022-05-13T01:47:01Z",
  "aliases": [
    "CVE-2017-7563"
  ],
  "details": "In ARM Trusted Firmware 1.3, RO memory is always executable at AArch64 Secure EL1, allowing attackers to bypass the MT_EXECUTE_NEVER protection mechanism. This issue occurs because of inconsistency in the number of execute-never bits (one bit versus two bits).",
  "severity": [
    {
      "type": "CVSS_V3",
      "score": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H"
    }
  ],
  "affected": [],
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2017-7563"
    },
    {
      "type": "WEB",
      "url": "https://github.com/ARM-software/arm-trusted-firmware/wiki/ARM-Trusted-Firmware-Security-Advisory-TFV-3"
    }
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-732"
    ],
    "severity": "HIGH",
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2017-06-07T15:29:00Z"
  }
}