Tuesday, March 2, 2021

Debian: CVE-2021-21330: python-aiohttp -- security update

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.
  • debian-upgrade-python-aiohttp

  • References
  • https://attackerkb.com/topics/cve-2021-21330
  • CVE - 2021-21330
  • DSA-4864
  • DSA-4864-1


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    Thanks for everything Templateism - You should have written the code a little more complicated