Various `node:fs` functions allow specifying paths as either strings or `Uint8Array` objects. In Node.js environments, the `Buffer` class extends the `Uint8Array` class. Node.js prevents path traversal through strings (see CVE-2023-30584) and `Buffer` objects (see CVE-2023-32004), but not through non-`Buffer` `Uint8Array` objects.
This is distinct from CVE-2023-32004 which only referred to `Buffer` objects. However, the vulnerability follows the same pattern using `Uint8Array` instead of `Buffer`.
Please note that at the time this CVE was issued, the permission model is an experimental feature of Node.js.
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History
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MITRE
Status: PUBLISHED
Assigner: hackerone
Published: 2023-10-18T03:55:18.469Z
Updated: 2024-09-13T14:54:53.063Z
Reserved: 2023-07-28T01:00:12.349Z
Link: CVE-2023-39332
Vulnrichment
Updated: 2024-08-02T18:02:06.901Z
NVD
Status : Modified
Published: 2023-10-18T04:15:11.330
Modified: 2024-11-21T08:15:10.603
Link: CVE-2023-39332
Redhat