CVE-2022-23556

HIGH7.0EPSS 0.14%

CodeIgniter4 allows spoofing of IP address when using proxy

Published: 12/22/2022Modified: 3/6/2024

Also known as:GHSA-ghw3-5qvm-3mqcBIT-codeigniter-2022-23556

Description

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()`.

Affected packages (2)

Bitnami/codeigniter>= 4.0.0, < 4.2.11
Packagist/codeigniter4/frameworkfrom 0, < 4.2.11

CVSS scores

Source	Version	Severity	Vector
osv	CVSS 3.1	HIGH7.0	CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:L

References (6)

ADVISORYhttps://nvd.nist.gov/vuln/detail/CVE-2022-23556
PATCHhttps://github.com/codeigniter4/CodeIgniter4
WEBhttps://codeigniter4.github.io/userguide/incoming/request.html#CodeIgniter\HTTP\Request::getIPAddress
WEBhttps://github.com/codeigniter4/CodeIgniter4/commit/5ca8c99b2db09a2a08a013836628028ddc984659
WEBhttps://github.com/codeigniter4/CodeIgniter4/security/advisories/GHSA-ghw3-5qvm-3mqc
WEBhttps://github.com/FriendsOfPHP/security-advisories/blob/master/codeigniter4/framework/CVE-2022-23556.yaml