{
  "schema_version": "1.4.0",
  "id": "GHSA-79wf-qcqv-r22r",
  "modified": "2021-08-18T21:21:03Z",
  "published": "2021-08-25T20:56:00Z",
  "aliases": [
    "CVE-2021-38196"
  ],
  "summary": "Remote code execution in better-macro",
  "details": "An issue was discovered in the better-macro crate through 2021-07-22 for Rust. It intentionally demonstrates that remote attackers can execute arbitrary code via proc-macros, and otherwise has no legitimate purpose.",
  "severity": [
    {
      "type": "CVSS_V3",
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
    }
  ],
  "affected": [
    {
      "package": {
        "ecosystem": "crates.io",
        "name": "better-macro"
      },
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            },
            {
              "last_affected": "1.0.4"
            }
          ]
        }
      ]
    }
  ],
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-38196"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/raycar5/better-macro"
    },
    {
      "type": "WEB",
      "url": "https://github.com/raycar5/better-macro/blob/24ff1702397b9c19bbfa4c660e2316cd77d3b900/src/lib.rs#L36-L38"
    },
    {
      "type": "WEB",
      "url": "https://rustsec.org/advisories/RUSTSEC-2021-0077.html"
    }
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-78",
      "CWE-94"
    ],
    "severity": "HIGH",
    "github_reviewed": true,
    "github_reviewed_at": "2021-08-18T21:21:03Z",
    "nvd_published_at": "2021-08-08T06:15:00Z"
  }
}