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Gentoo Linux Security Advisory                           GLSA 202208-19
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                                           https://security.gentoo.org/
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 Severity: Low
    Title: aiohttp: Open redirect vulnerability
     Date: August 10, 2022
     Bugs: #772932
       ID: 202208-19

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Synopsis
=======
An open redirect vulnerability has been discovered in aiohttp.

Background
=========
aiohttp is an asynchronous HTTP client/server framework for asyncio and
Python.

Affected packages
================
    -------------------------------------------------------------------
     Package              /     Vulnerable     /            Unaffected
    -------------------------------------------------------------------
  1  dev-python/aiohttp         < 3.7.4                      >= 3.7.4

Description
==========
A bug in aiohttp.web_middlewares.normalize_path_middleware creates an
open redirect vulnerability.

Impact
=====
An attacker use this vulnerability to craft a link that, while appearing to be a link to an aiohttp-based website, redirects users to an arbitrary attacker-controlled URL.

Workaround
=========
There is no known workaround at this time.

Resolution
=========
All aiohttp users should upgrade to the latest version:

  # emerge --sync
  # emerge --ask --oneshot --verbose ">=dev-python/aiohttp-3.7.4"

References
=========
[ 1 ] CVE-2021-21330
      https://nvd.nist.gov/vuln/detail/CVE-2021-21330
[ 2 ] GHSA-v6wp-4m6f-gcjg

Availability
===========
This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:

 https://security.gentoo.org/glsa/202208-19

Concerns?
========
Security is a primary focus of Gentoo Linux and ensuring the
confidentiality and security of our users' machines is of utmost
importance to us. Any security concerns should be addressed to
security@gentoo.org or alternatively, you may file a bug at
https://bugs.gentoo.org.

License
======
Copyright 2022 Gentoo Foundation, Inc; referenced text
belongs to its owner(s).

The contents of this document are licensed under the
Creative Commons - Attribution / Share Alike license.

https://creativecommons.org/licenses/by-sa/2.5/