tar-fs has a symlink validation bypass if destination directory is predictable with a specific tarball
### 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
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beschreibt (1)
Zugehörige CVEs.
| ID | Schweregrad | ausnutzbar | ||
|---|---|---|---|---|
| CVE-2025-59343US | — | — | ||
tar-fs provides filesystem bindings for tar-stream. Versions prior to 3.1.1, 2.1.3, and 1.16.5 are vulnerable to symlink validation bypass if the destination directory is predictab… | ||||
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Referenzen
Externe Belege — Patches, Meldungen, Analysen.
- https://github.com/mafintosh/tar-fsPACKAGE
- https://github.com/mafintosh/tar-fs/commit/0bd54cdf06da2b7b5b95cd4b062c9f4e0a8c4e09WEB
- https://github.com/mafintosh/tar-fs/security/advisories/GHSA-vj76-c3g6-qr5vWEB
- https://lists.debian.org/debian-lts-announce/2025/09/msg00028.htmlWEB
- https://nvd.nist.gov/vuln/detail/CVE-2025-59343ADVISORY
scry
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