{
  "@rdf:about": "https://jvndb.jvn.jp/en/contents/2022/JVNDB-2022-000062.html",
  "dc:date": "2022-08-04T15:14+09:00",
  "dcterms:issued": "2022-08-04T15:14+09:00",
  "dcterms:modified": "2022-08-04T15:14+09:00",
  "description": "Kaitai Struct: compiler provided by Kaitai team contains SnakeYAML library version 1.25, which is used in parsing .ksy files.\r\nSnakeYAML version 1.25 expands recursive aliases unlimitedly (CWE-674), hence Katai Struct: compiler is vulnerable to a denial-of-service (DoS) attack by Billion Laughs Attack.\r\n\r\nTaichi Kotake of Sterra Security Co.,Ltd. / Akatsuki Games Inc. reported this vulnerability to IPA.\r\nJPCERT/CC coordinated with the developer under Information Security Early Warning Partnership.",
  "link": "https://jvndb.jvn.jp/en/contents/2022/JVNDB-2022-000062.html",
  "sec:cpe": {
    "#text": "cpe:/a:misc:kaitai_team_kaitai_struct_compiler",
    "@product": "Kaitai Struct: compiler",
    "@vendor": "Kaitai team",
    "@version": "2.2"
  },
  "sec:cvss": [
    {
      "@score": "4.3",
      "@severity": "Medium",
      "@type": "Base",
      "@vector": "AV:N/AC:M/Au:N/C:N/I:N/A:P",
      "@version": "2.0"
    },
    {
      "@score": "5.5",
      "@severity": "Medium",
      "@type": "Base",
      "@vector": "CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
      "@version": "3.0"
    }
  ],
  "sec:identifier": "JVNDB-2022-000062",
  "sec:references": [
    {
      "#text": "https://jvn.jp/en/jp/JVN42883072/index.html",
      "@id": "JVN#42883072",
      "@source": "JVN"
    },
    {
      "#text": "https://www.cve.org/CVERecord?id=CVE-2017-18640",
      "@id": "CVE-2017-18640",
      "@source": "CVE"
    },
    {
      "#text": "https://nvd.nist.gov/vuln/detail/CVE-2017-18640",
      "@id": "CVE-2017-18640",
      "@source": "NVD"
    },
    {
      "#text": "https://snyk.io/blog/java-yaml-parser-with-snakeyaml/",
      "@id": "Preventing YAML parsing vulnerabilities with snakeyaml in Java",
      "@source": "Related document"
    },
    {
      "#text": "https://www.ipa.go.jp/en/security/vulnerabilities/cwe.html",
      "@id": "CWE-Other",
      "@title": "No Mapping(CWE-Other)"
    }
  ],
  "title": "Kaitai Struct: compiler vulnerable to denial-of-service (DoS)"
}