Headline
GHSA-ghw3-5qvm-3mqc: CodeIgniter4 allows spoofing of IP address when using proxy
Impact
This vulnerability may allow attackers to spoof their IP address when your server is behind a reverse proxy.
Patches
Upgrade to v4.2.11 or later, and configure Config\App::$proxyIPs.
Workarounds
Do not use $request->getIPAddress().
References
- https://codeigniter4.github.io/userguide/incoming/request.html#CodeIgniter\HTTP\Request::getIPAddress
For more information
If you have any questions or comments about this advisory:
- Open an issue in codeigniter4/CodeIgniter4
- Email us at SECURITY.md
CodeIgniter4 allows spoofing of IP address when using proxy
High severity GitHub Reviewed Published Dec 22, 2022 in codeigniter4/CodeIgniter4 • Updated Dec 22, 2022
Related news
CodeIgniter is a PHP full-stack web framework. This vulnerability may allow attackers to spoof their IP address when the server is behind a reverse proxy. This issue has been patched, please upgrade to version 4.2.11 or later, and configure `Config\App::$proxyIPs`. As a workaround, do not use `$request->getIPAddress()`.