CVE-2024-8019: Arbitrary File Write/Overwrite in lightning-ai/pytorch-lightning
Description
In lightning-ai/pytorch-lightning version 2.3.2, a vulnerability exists in the `LightningApp` when running on a Windows host. The vulnerability occurs at the `/api/v1/upload_file/` endpoint, allowing an attacker to write or overwrite arbitrary files by providing a crafted filename. This can lead to potential remote code execution (RCE) by overwriting critical files or placing malicious files in sensitive locations.
Classification
CVE ID: CVE-2024-8019
CVSS Base Severity: CRITICAL
CVSS Base Score: 9.1
CVSS Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
Problem Types
CWE-434 Unrestricted Upload of File with Dangerous TypeAffected Products
Vendor: lightning-ai
Product: lightning-ai/pytorch-lightning
Exploit Prediction Scoring System (EPSS)
EPSS Score: 0.25% (probability of being exploited)
EPSS Percentile: 48.73% (scored less or equal to compared to others)
EPSS Date: 2025-04-18 (when was this score calculated)
References
https://nvd.nist.gov/vuln/detail/CVE-2024-8019https://huntr.com/bounties/2754298b-5af5-48ef-8b38-999093ddf2bd
https://github.com/lightning-ai/pytorch-lightning/commit/330af381de88cff17515418a341cbc1f9f127f9a