gsd-2021-28966
Vulnerability from gsd
Modified
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


To clipboard 

{
  "GSD": {
    "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"
          }
        }
      ],
      "aliases": [
        "CVE-2021-28966",
        "GHSA-46f2-3v63-3xrp"
      ],
      "details": "There is an unintentional directory creation vulnerability in tmpdir library\nbundled with Ruby on Windows. And there is also an unintentional file\ncreation vulnerability in tempfile library bundled with Ruby on Windows,\nbecause it uses tmpdir internally.\n",
      "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"
      ],
      "schema_version": "1.4.0",
      "severity": [
        {
          "score": 7.5,
          "type": "CVSS_V3"
        }
      ],
      "summary": "Path traversal in Tempfile on Windows"
    }
  },
  "namespaces": {
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            "name": "https://hackerone.com/reports/1131465",
            "refsource": "MISC",
            "url": "https://hackerone.com/reports/1131465"
          },
          {
            "name": "https://security.netapp.com/advisory/ntap-20210902-0004/",
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            "url": "https://security.netapp.com/advisory/ntap-20210902-0004/"
          }
        ]
      }
    },
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      "cve": "2021-28966",
      "cvss_v3": 7.5,
      "date": "2021-04-05",
      "description": "There is an unintentional directory creation vulnerability in tmpdir library\nbundled with Ruby on Windows. And there is also an unintentional file\ncreation vulnerability in tempfile library bundled with Ruby on Windows,\nbecause it uses tmpdir internally.\n",
      "gem": "tmpdir",
      "ghsa": "46f2-3v63-3xrp",
      "patched_versions": [
        "\u003e= 0.1.2"
      ],
      "related": {
        "cve": [
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        "url": [
          "https://www.ruby-lang.org/en/news/2018/03/28/unintentional-file-and-directory-creation-with-directory-traversal-cve-2018-6914/"
        ]
      },
      "title": "Path traversal in Tempfile on Windows",
      "url": "https://www.ruby-lang.org/en/news/2021/04/05/tempfile-path-traversal-on-windows-cve-2021-28966/"
    },
    "gitlab.com": {
      "advisories": [
        {
          "affected_range": "\u003c0.1.2",
          "affected_versions": "All versions before 0.1.2",
          "cvss_v2": "AV:N/AC:L/Au:N/C:N/I:P/A:N",
          "cvss_v3": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N",
          "cwe_ids": [
            "CWE-1035",
            "CWE-22",
            "CWE-937"
          ],
          "date": "2021-09-03",
          "description": "In Ruby on Windows, a remote attacker can submit a crafted path when a Web application handles a parameter with TmpDir.",
          "fixed_versions": [
            "0.1.2"
          ],
          "identifier": "CVE-2021-28966",
          "identifiers": [
            "GHSA-46f2-3v63-3xrp",
            "CVE-2021-28966"
          ],
          "not_impacted": "All versions starting from 0.1.2",
          "package_slug": "gem/tmpdir",
          "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)",
          "urls": [
            "https://nvd.nist.gov/vuln/detail/CVE-2021-28966",
            "https://github.com/ruby/tmpdir/pull/8",
            "https://github.com/ruby/tmpdir/commit/93798c01cb7c10476e50a4d80130a329ba47f348",
            "https://hackerone.com/reports/1131465",
            "https://github.com/rubysec/ruby-advisory-db/blob/master/gems/tmpdir/CVE-2021-28966.yml",
            "https://rubygems.org/gems/tmpdir",
            "https://www.ruby-lang.org/en/news/2021/04/05/tempfile-path-traversal-on-windows-cve-2021-28966/",
            "https://security.netapp.com/advisory/ntap-20210902-0004/",
            "https://github.com/advisories/GHSA-46f2-3v63-3xrp"
          ],
          "uuid": "85234517-3ac9-45f0-b368-5107354c3e9d"
        }
      ]
    },
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                    "versionEndExcluding": "3.0.1",
                    "versionStartIncluding": "3.0.0",
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                  },
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                    "cpe23Uri": "cpe:2.3:a:ruby-lang:ruby:*:*:*:*:*:*:*:*",
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            }
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      },
      "impact": {
        "baseMetricV2": {
          "acInsufInfo": false,
          "cvssV2": {
            "accessComplexity": "LOW",
            "accessVector": "NETWORK",
            "authentication": "NONE",
            "availabilityImpact": "NONE",
            "baseScore": 5.0,
            "confidentialityImpact": "NONE",
            "integrityImpact": "PARTIAL",
            "vectorString": "AV:N/AC:L/Au:N/C:N/I:P/A:N",
            "version": "2.0"
          },
          "exploitabilityScore": 10.0,
          "impactScore": 2.9,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "severity": "MEDIUM",
          "userInteractionRequired": false
        },
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            "confidentialityImpact": "NONE",
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            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
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          "impactScore": 3.6
        }
      },
      "lastModifiedDate": "2022-08-12T18:27Z",
      "publishedDate": "2021-07-30T14:15Z"
    }
  }
}


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