CVE-2024-42367

CVE-2024-42367 · In aiohttp, compressed files as symlinks are not protected from path traversal

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aiohttp is an asynchronous HTTP client/server framework for asyncio and Python. In versions on the 3.10 branch prior to version 3.10.2, static routes which contain files with compressed variants (`.gz` or `.br` extension) are vulnerable to path traversal outside the root directory if those variants are symbolic links. The server protects static routes from path traversal outside the root directory when `follow_symlinks=False` (default). It does this by resolving the requested URL to an absolute path and then checking that path relative to the root. However, these checks are not performed when looking for compressed variants in the `FileResponse` class, and symbolic links are then automatically followed when performing the `Path.stat()` and `Path.open()` to send the file. Version 3.10.2 contains a patch for the issue.

CVSS 4.8 · Средний · EPSS 0,7% · Есть исправление

Опубликовано

2024-08-09T17:25:22.562Z

Обновлено

2025-06-09T12:17:50.733Z

Стек: system · python

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