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{
  "affected": [
    {
      "database_specific": {
        "categories": [
          "denial-of-service"
        ],
        "cvss": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
        "informational": null
      },
      "ecosystem_specific": {
        "affected_functions": null,
        "affects": {
          "arch": [],
          "functions": [
            "parse_duration::parse"
          ],
          "os": []
        }
      },
      "package": {
        "ecosystem": "crates.io",
        "name": "parse_duration",
        "purl": "pkg:cargo/parse_duration"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0.0.0-0"
            }
          ],
          "type": "SEMVER"
        }
      ],
      "versions": []
    }
  ],
  "aliases": [
    "CAN-2021-1000007",
    "CVE-2021-29932",
    "GHSA-qpgv-g792-wh6x"
  ],
  "database_specific": {
    "license": "CC0-1.0"
  },
  "details": "The `parse_duration::parse` function allows for parsing duration strings with exponents like `5e5s` where under the hood, the [`BigInt` type along with the `pow` function are used for such payloads](https://github.com/zeta12ti/parse_duration/blob/26940ab5cd4e3a9d6bd97aa101f8d4bbfd18ee8c/src/parse.rs#L335). Passing an arbitrarily big exponent makes the `parse_duration::parse` function to process the payload for a very long time taking up CPU and memory.\n\nThis allows an attacker to cause a DoS if the `parse_duration::parse` function is used to process untrusted input.",
  "id": "RUSTSEC-2021-0041",
  "modified": "2023-06-13T13:10:24Z",
  "published": "2021-03-18T12:00:00Z",
  "references": [
    {
      "type": "PACKAGE",
      "url": "https://crates.io/crates/parse_duration"
    },
    {
      "type": "ADVISORY",
      "url": "https://rustsec.org/advisories/RUSTSEC-2021-0041.html"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/zeta12ti/parse_duration/issues/21"
    }
  ],
  "related": [],
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Denial of service through parsing payloads with too big exponent"
}