SB2021022804 - Open redirect in aiohttp
Published: February 28, 2021
Security Bulletin ID
SB2021022804
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Information disclosure
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Open redirect (CVE-ID: CVE-2021-21330)
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.
Remediation
Install update from vendor's website.
References
- https://github.com/aio-libs/aiohttp/blob/master/CHANGES.rst#374-2021-02-25
- https://github.com/aio-libs/aiohttp/commit/2545222a3853e31ace15d87ae0e2effb7da0c96b
- https://github.com/aio-libs/aiohttp/security/advisories/GHSA-v6wp-4m6f-gcjg
- https://pypi.org/project/aiohttp/
- https://www.debian.org/security/2021/dsa-4864