{
  "schema_version": "1.4.0",
  "id": "GHSA-85m8-xxmw-3hpv",
  "modified": "2022-05-24T17:26:17Z",
  "published": "2022-05-24T17:26:17Z",
  "aliases": [
    "CVE-2020-12457"
  ],
  "details": "An issue was discovered in wolfSSL before 4.5.0. It mishandles the change_cipher_spec (CCS) message processing logic for TLS 1.3. If an attacker sends ChangeCipherSpec messages in a crafted way involving more than one in a row, the server becomes stuck in the ProcessReply() loop, i.e., a denial of service.",
  "severity": [],
  "affected": [],
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2020-12457"
    },
    {
      "type": "WEB",
      "url": "https://github.com/wolfSSL/wolfssl/pull/2927"
    },
    {
      "type": "WEB",
      "url": "https://github.com/wolfSSL/wolfssl/releases/tag/v4.5.0-stable"
    }
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-20"
    ],
    "severity": "MODERATE",
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2020-08-21T14:15:00Z"
  }
}