GSD-2021-28966

Vulnerability from gsd - Updated: 2021-04-05 00:00
Details
There is an unintentional directory creation vulnerability in tmpdir library bundled with Ruby on Windows. And there is also an unintentional file creation vulnerability in tempfile library bundled with Ruby on Windows, because it uses tmpdir internally.
Aliases
Aliases
CVE-2021-28966
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{
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    "alias": "CVE-2021-28966",
    "description": "In Ruby through 3.0 on Windows, a remote attacker can submit a crafted path when a Web application handles a parameter with TmpDir.",
    "id": "GSD-2021-28966"
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "affected": [
        {
          "package": {
            "ecosystem": "RubyGems",
            "name": "tmpdir",
            "purl": "pkg:gem/tmpdir"
          }
        }
      ],
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        "GHSA-46f2-3v63-3xrp"
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      "id": "GSD-2021-28966",
      "modified": "2021-04-05T00:00:00.000Z",
      "published": "2021-04-05T00:00:00.000Z",
      "references": [
        {
          "type": "WEB",
          "url": "https://www.ruby-lang.org/en/news/2021/04/05/tempfile-path-traversal-on-windows-cve-2021-28966/"
        },
        {
          "type": "WEB",
          "url": "https://www.ruby-lang.org/en/news/2018/03/28/unintentional-file-and-directory-creation-with-directory-traversal-cve-2018-6914/"
        }
      ],
      "related": [
        "CVE-2018-6914"
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      "schema_version": "1.4.0",
      "severity": [
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          "type": "CVSS_V3"
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      "summary": "Path traversal in Tempfile on Windows"
    }
  },
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      "title": "Path traversal in Tempfile on Windows",
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          "pubdate": "2021-05-06",
          "solution": "Upgrade to version 0.1.2 or above.",
          "title": "Improper Limitation of a Pathname to a Restricted Directory (\u0027Path Traversal\u0027)",
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      "lastModifiedDate": "2022-08-12T18:27Z",
      "publishedDate": "2021-07-30T14:15Z"
    }
  }
}


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  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
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