jvndb-2025-000025
Vulnerability from jvndb
Published
2025-04-03 12:29
Modified
2025-04-03 12:29
Severity ?
6.8 (Medium) - cvssV3_0 - CVSS:3.0/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H
Summary
WinRAR vulnerable to the symbolic link based "Mark of the Web" check bypass
Details
WinRAR provided by RARLAB contains a vulnerability that bypasses the "Mark of the Web" (CWE-356) security warning function for files when opening a symbolic link that points to an executable file. In the initial Windows configuration, only administrators have the privilege to create symbolic links. Taihei Shimamine of Mitsui Bussan Secure Directions, Inc. reported this vulnerability to IPA. JPCERT/CC coordinated with the developer under Information Security Early Warning Partnership.
References
JVN https://jvn.jp/en/jp/JVN59547048/index.html
CVE https://www.cve.org/CVERecord?id=CVE-2025-31334
Product UI does not Warn User of Unsafe Actions(CWE-356) https://cwe.mitre.org/data/definitions/356.html
Impacted products
RARLABWinRAR
Show details on JVN DB website

To clipboard 

{
  "@rdf:about": "https://jvndb.jvn.jp/en/contents/2025/JVNDB-2025-000025.html",
  "dc:date": "2025-04-03T12:29+09:00",
  "dcterms:issued": "2025-04-03T12:29+09:00",
  "dcterms:modified": "2025-04-03T12:29+09:00",
  "description": "WinRAR provided by RARLAB contains a vulnerability that bypasses the \"Mark of the Web\" (CWE-356) security warning function for files when opening a symbolic link that points to an executable file.\r\nIn the initial Windows configuration, only administrators have the privilege to create symbolic links.\r\n\r\nTaihei Shimamine of Mitsui Bussan Secure Directions, 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/2025/JVNDB-2025-000025.html",
  "sec:cpe": {
    "#text": "cpe:/a:rarlab:winrar",
    "@product": "WinRAR",
    "@vendor": "RARLAB",
    "@version": "2.2"
  },
  "sec:cvss": {
    "@score": "6.8",
    "@severity": "Medium",
    "@type": "Base",
    "@vector": "CVSS:3.0/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H",
    "@version": "3.0"
  },
  "sec:identifier": "JVNDB-2025-000025",
  "sec:references": [
    {
      "#text": "https://jvn.jp/en/jp/JVN59547048/index.html",
      "@id": "JVN#59547048",
      "@source": "JVN"
    },
    {
      "#text": "https://www.cve.org/CVERecord?id=CVE-2025-31334",
      "@id": "CVE-2025-31334",
      "@source": "CVE"
    },
    {
      "#text": "https://cwe.mitre.org/data/definitions/356.html",
      "@id": "CWE-356",
      "@title": "Product UI does not Warn User of Unsafe Actions(CWE-356)"
    }
  ],
  "title": "WinRAR vulnerable to the symbolic link based \"Mark of the Web\" check bypass"
}


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