CVE-2021-32721: Open Redirect in github.com/AndrewBurian/powermux
Summary
CVE-2021-32721: Open redirect in github.com/AndrewBurian/powermux. Affects github.com/AndrewBurian/powermux versions < 1.1.1. Fixed in 1.1.1. How to fix ↓
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Background
The package under scrutiny is github.com/AndrewBurian/powermux, which is a Go package. It provides functionality for routing HTTP requests in a web application. The powermux package allows developers to define routes and handle HTTP requests efficiently. However, it is vulnerable to an open redirect issue.
Vulnerability Detail
The vulnerability in github.com/AndrewBurian/powermux is an open redirect issue. Attackers can exploit the trailing slash redirection feature to craft phishing links and other open redirects. By manipulating the URL, they can trick users into visiting untrusted sites. This can lead to various security risks, including phishing attacks and the disclosure of sensitive information.
How To Fix
Minimum fixed version
1.1.1
This is the first release that contains the fix.
go get github.com/AndrewBurian/powermux@v1.1.1Tip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →
Workaround
There are no existing workarounds for this vulnerability. However, developers can detect attempts to exploit this feature by looking for request paths containing pairs of forward slashes in sequence combined with a trailing slash (e.g., https://example.com//foo/). By monitoring and analyzing the request paths, developers can identify potential open redirect attempts.
Conclusion
In conclusion, the vulnerability CVE-2021-32721 in github.com/AndrewBurian/powermux is an open redirect issue that can be exploited by attackers to redirect users to untrusted sites. To mitigate this vulnerability, developers should update their implementation to version 1.1.1 or later. There are no workarounds available, but monitoring request paths for suspicious patterns can help detect potential open redirect attempts. For further support on vulnerability remediation, you can contact DevNack.com.
See every vulnerability recorded for github.com/AndrewBurian/powermux →
FAQ
The impact of this vulnerability is that attackers can craft malicious URLs to redirect users to untrusted sites. This can lead to phishing attacks and the potential disclosure of sensitive information.
To fix this vulnerability, you need to update your implementation of github.com/AndrewBurian/powermux to version 1.1.1 or later. This version includes the necessary patches to mitigate the open redirect issue.
No, there are no existing workarounds for this vulnerability. However, you can monitor request paths for suspicious patterns to detect potential open redirect attempts.
Yes, the CVSS score for this vulnerability is 4.7, indicating a moderate severity level.
For more information about this vulnerability, you can visit the Vulert Playground at Vulert Scanner. The playground allows you to check if your application is affected by this vulnerability without any signup or installation.
