ghsa-vj76-c3g6-qr5v
Vulnerability from github
Published
2025-09-24 18:57
Modified
2025-09-26 17:24
Severity ?
VLAI Severity ?
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
{ "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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Sightings
Author | Source | Type | Date |
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Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
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