Open redirect in aiohttp



Published: 2021-02-28
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE ID CVE-2021-21330
CWE ID CWE-601
Exploitation vector Network
Public exploit N/A
Vulnerable software
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aiohttp
Other software / Other software solutions

Vendor aio-libs

Security Advisory

This security advisory describes one low risk vulnerability.

1) Open redirect

Risk: Low

CVSSv3.1: 3 [CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-21330

CWE-ID: CWE-601 - URL Redirection to Untrusted Site ('Open Redirect')

Exploit availability: No

Description

The vulnerability allows a remote attacker to redirect victims to arbitrary URL.

The vulnerability exists due to improper sanitization of user-supplied data. A remote attacker can create a link that leads to a trusted website, however, when clicked, redirects the victim to arbitrary domain.

Successful exploitation of this vulnerability may allow a remote attacker to perform a phishing attack and steal potentially sensitive information.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

aiohttp: 3.0.0, 3.0.1, 3.0.2, 3.0.3, 3.0.4, 3.0.5, 3.0.6, 3.0.7, 3.0.8, 3.0.9, 3.1.0, 3.1.1, 3.1.2, 3.1.3, 3.2.0, 3.2.1, 3.3.0, 3.3.1, 3.3.2, 3.4.0, 3.4.1, 3.4.2, 3.4.3, 3.4.4, 3.5.0, 3.5.1, 3.5.2, 3.5.3, 3.5.4, 3.6.0, 3.6.1, 3.6.2, 3.6.3, 3.7.0, 3.7.1, 3.7.2, 3.7.3

CPE External links

https://github.com/aio-libs/aio
http/blob/master/CHANGES.rst#374-2021-02-25
https://github.com/aio-libs/aio
http/commit/2545222a3853e31ace15d87ae0e2effb7da0c96b
https://github.com/aio-libs/aio
http/security/advisories/GHSA-v6wp-4m6f-gcjg
https://pypi.org/project/aio
https://www.debian.org/security/2021/dsa-4864

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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