GHSA-ghw3-5qvm-3mqc
CodeIgniter4 allows spoofing of IP address when using proxy
Quick fix
GHSA-ghw3-5qvm-3mqc — codeigniter4/framework: upgrade to the fixed version with the command below.
composer require codeigniter4/framework:^4.2.11Details
### 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](https://github.com/codeigniter4/CodeIgniter4/issues) * Email us at [SECURITY.md](https://github.com/codeigniter4/CodeIgniter4/blob/develop/SECURITY.md)
Are you affected?
Enter the version of the package you're using.
Affected packages
0Fixed in: 4.2.11composer require codeigniter4/framework:^4.2.11References
- https://github.com/codeigniter4/CodeIgniter4/security/advisories/GHSA-ghw3-5qvm-3mqc[WEB]
- https://nvd.nist.gov/vuln/detail/CVE-2022-23556[ADVISORY]
- https://github.com/codeigniter4/CodeIgniter4/commit/5ca8c99b2db09a2a08a013836628028ddc984659[WEB]
- https://codeigniter4.github.io/userguide/incoming/request.html#CodeIgniter\HTTP\Request::getIPAddress[WEB]
- https://github.com/FriendsOfPHP/security-advisories/blob/master/codeigniter4/framework/CVE-2022-23556.yaml[WEB]
- https://github.com/codeigniter4/CodeIgniter4[PACKAGE]