GitHub Advisoryadvisory · Go
GHSA-mj9r-wwm8-7q52 Open Redirect in github.com/AndrewBurian/powermux
MEDIUM
Official page ↗
- Aliases
- CVE-2021-32721
- Ecosystem
- Go
- Packages
- github.com/AndrewBurian/powermux
- Severity
- Moderate
- CVSS vector
- CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:N
- Weaknesses
- CWE-601
- Reviewed
- 2021-06-30
Affected packages
• Go github.com/AndrewBurian/powermux: < 1.1.1 → fixed in 1.1.1
Description
Impact
Attackers may be able to craft phishing links and other open redirects by exploiting the trailing slash redirection feature. This may lead to users being redirected to untrusted sites after following an attacker crafted link.
Patches
The issue is resolved in v1.1.1
Workarounds
There are no existing workarounds.
You may detect attempts to craft urls that 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/`
Related
Alias · CVE (1)
- CVE-2021-32721 PowerMux is a drop-in replacement for Go's http.ServeMux. vulnerability
Weakness · CWE (1)
- CWE-601 URL Redirection to Untrusted Site weakness