En resumen
- CVE-2021-21330 es una vulnerabilidad MEDIO (CVSS 6.1) que afecta a aiohttp, aiohttp (aiohttp).
- Probabilidad de explotación en los próximos 30 días (EPSS): 1.9%, mayor que el 79.7% de las vulnerabilidades.
- Solución: actualizar a 3.7.4 o posterior.
| Package | Affected versions | Patched versions |
|---|
| aiohttp PyPI | < 3.7.4
| 3.7.4
|
| aiohttp | < 3.7.4
| 3.7.4
|
Description
Impact
Open redirect vulnerability — a maliciously crafted link to an aiohttp-based web-server could redirect the browser to a different website.
It is caused by a bug in the aiohttp.web_middlewares.normalize_path_middleware middleware.
Patches
This security problem has been fixed in v3.7.4. Upgrade your dependency as follows:
pip install aiohttp >= 3.7.4
Workarounds
If upgrading is not an option for you, a workaround can be to avoid using aiohttp.web_middlewares.normalize_path_middleware in your applications.
References
For more information
If you have any questions or comments about this advisory:
Credit: Jelmer Vernooij and Beast Glatisant.
NVD description
aiohttp is an asynchronous HTTP client/server framework for asyncio and Python. In aiohttp before version 3.7.4 there is an open redirect vulnerability. A maliciously crafted link to an aiohttp-based web-server could redirect the browser to a different website. It is caused by a bug in the `aiohttp.web_middlewares.normalize_path_middleware` middleware. This security problem has been fixed in 3.7.4. Upgrade your dependency using pip as follows "pip install aiohttp >= 3.7.4". If upgrading is not an option for you, a workaround can be to avoid using `aiohttp.web_middlewares.normalize_path_middleware` in your applications.
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