GHSA-ghw3-5qvm-3mqcHighCVSS 7.0
CodeIgniter4 allows spoofing of IP address when using proxy
🔗 CVE IDs covered (1)
📋 Description
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
🎯 Affected products1
- composer/codeigniter4/framework:< 4.2.11
🔗 References (6)
- https://github.com/codeigniter4/CodeIgniter4/security/advisories/GHSA-ghw3-5qvm-3mqc
- https://github.com/codeigniter4/CodeIgniter4/commit/5ca8c99b2db09a2a08a013836628028ddc984659
- https://codeigniter4.github.io/userguide/incoming/request.html#CodeIgniter\HTTP\Request::getIPAddress
- https://nvd.nist.gov/vuln/detail/CVE-2022-23556
- https://github.com/FriendsOfPHP/security-advisories/blob/master/codeigniter4/framework/CVE-2022-23556.yaml
- https://github.com/advisories/GHSA-ghw3-5qvm-3mqc