{"id":"GHSA-ghw3-5qvm-3mqc","summary":"CodeIgniter4 allows spoofing of IP address when using proxy","details":"### Impact\nThis vulnerability may allow attackers to spoof their IP address when your server is behind a reverse proxy.\n\n### Patches\nUpgrade to v4.2.11 or later, and configure `Config\\App::$proxyIPs`.\n\n### Workarounds\nDo not use `$request-\u003egetIPAddress()`.\n\n### References\n- https://codeigniter4.github.io/userguide/incoming/request.html#CodeIgniter\\HTTP\\Request::getIPAddress\n\n### For more information\nIf you have any questions or comments about this advisory:\n* Open an issue in [codeigniter4/CodeIgniter4](https://github.com/codeigniter4/CodeIgniter4/issues)\n* Email us at [SECURITY.md](https://github.com/codeigniter4/CodeIgniter4/blob/develop/SECURITY.md)\n","aliases":["BIT-codeigniter-2022-23556","CVE-2022-23556"],"modified":"2023-12-06T01:01:59.440156Z","published":"2022-12-22T19:59:58Z","database_specific":{"github_reviewed":true,"github_reviewed_at":"2022-12-22T19:59:58Z","nvd_published_at":"2022-12-22T19:15:00Z","cwe_ids":["CWE-345"],"severity":"HIGH"},"references":[{"type":"WEB","url":"https://github.com/codeigniter4/CodeIgniter4/security/advisories/GHSA-ghw3-5qvm-3mqc"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2022-23556"},{"type":"WEB","url":"https://github.com/codeigniter4/CodeIgniter4/commit/5ca8c99b2db09a2a08a013836628028ddc984659"},{"type":"WEB","url":"https://codeigniter4.github.io/userguide/incoming/request.html#CodeIgniter\\HTTP\\Request::getIPAddress"},{"type":"WEB","url":"https://github.com/FriendsOfPHP/security-advisories/blob/master/codeigniter4/framework/CVE-2022-23556.yaml"},{"type":"PACKAGE","url":"https://github.com/codeigniter4/CodeIgniter4"}],"affected":[{"package":{"name":"codeigniter4/framework","ecosystem":"Packagist","purl":"pkg:composer/codeigniter4/framework"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.2.11"}]}],"versions":["4.0.0","4.0.0-rc.4","v4.0.0-alpha.3","v4.0.0-alpha.4","v4.0.0-alpha.5","v4.0.0-beta.1","v4.0.0-beta.2","v4.0.0-beta.3","v4.0.0-beta.4","v4.0.0-rc.1","v4.0.0-rc.2","v4.0.0-rc.2.1","v4.0.0-rc.3","v4.0.1","v4.0.2","v4.0.3","v4.0.4","v4.0.5","v4.1.0","v4.1.1","v4.1.2","v4.1.3","v4.1.4","v4.1.5","v4.1.6","v4.1.7","v4.1.8","v4.1.9","v4.2.0","v4.2.1","v4.2.10","v4.2.2","v4.2.3","v4.2.4","v4.2.5","v4.2.6","v4.2.7","v4.2.8","v4.2.9"],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2022/12/GHSA-ghw3-5qvm-3mqc/GHSA-ghw3-5qvm-3mqc.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:L"}]}