ghsa-vj76-c3g6-qr5v
Vulnerability from github
Published
2025-09-24 18:57
Modified
2025-09-26 17:24
Severity ?
8.7 (High) - CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N
Summary
tar-fs has a symlink validation bypass if destination directory is predictable with a specific tarball
Details

Impact

v3.1.0, v2.1.3, v1.16.5 and below

Patches

Has been patched in 3.1.1, 2.1.4, and 1.16.6

Workarounds

You can use the ignore option to ignore non files/directories.

js ignore (_, header) { // pass files & directories, ignore e.g. symlinks return header.type !== 'file' && header.type !== 'directory' }

Credit

Reported by: Mapta / BugBunny_ai

Show details on source website

To clipboard 

{
  "affected": [
    {
      "package": {
        "ecosystem": "npm",
        "name": "tar-fs"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "3.0.0"
            },
            {
              "fixed": "3.1.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "npm",
        "name": "tar-fs"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "2.0.0"
            },
            {
              "fixed": "2.1.4"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "npm",
        "name": "tar-fs"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.16.6"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2025-59343"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-22",
      "CWE-61"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2025-09-24T18:57:04Z",
    "nvd_published_at": "2025-09-24T18:15:42Z",
    "severity": "HIGH"
  },
  "details": "### Impact\n v3.1.0, v2.1.3, v1.16.5 and below\n\n### Patches\nHas been patched in 3.1.1, 2.1.4, and 1.16.6\n\n### Workarounds\nYou can use the ignore option to ignore non files/directories.\n\n```js\n  ignore (_, header) {\n    // pass files \u0026 directories, ignore e.g. symlinks\n    return header.type !== \u0027file\u0027 \u0026\u0026 header.type !== \u0027directory\u0027\n  }\n```\n\n### Credit\nReported by: Mapta / BugBunny_ai",
  "id": "GHSA-vj76-c3g6-qr5v",
  "modified": "2025-09-26T17:24:25Z",
  "published": "2025-09-24T18:57:04Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/mafintosh/tar-fs/security/advisories/GHSA-vj76-c3g6-qr5v"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-59343"
    },
    {
      "type": "WEB",
      "url": "https://github.com/mafintosh/tar-fs/commit/0bd54cdf06da2b7b5b95cd4b062c9f4e0a8c4e09"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/mafintosh/tar-fs"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N",
      "type": "CVSS_V4"
    }
  ],
  "summary": "tar-fs has a symlink validation bypass if destination directory is predictable with a specific tarball"
}


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