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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
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