{"id":"GHSA-xffp-6w68-4775","aliases":[],"status":"published","title":"Zendframework Remote Address Spoofing Vector in `Zend\\Http\\PhpEnvironment\\RemoteAddress`","description":"The `Zend\\Http\\PhpEnvironment\\RemoteAddress` class provides features around detecting the internet protocol (IP) address for an incoming proxied request via the X-Forwarded-For header, taking into account a provided list of trusted proxy server IPs. Prior to 2.2.5, the class was not taking into account whether or not the IP address contained in PHP's `$_SERVER['REMOTE_ADDR']` was in the trusted proxy server list.\n\nThe IETF draft specification indicates that if `$_SERVER['REMOTE_ADDR']` is not a trusted proxy, it must be considered the originating IP address, and the value of X-Forwarded-For must be disregarded.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high","from":"ghsa"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-601"],"published":"2024-06-07T20:02:07Z","modified":"2024-12-04T05:41:43Z","fixes":[{"ecosystem":"Packagist","package":"zendframework/zendframework","fixed_in":["2.2.5"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"Packagist","package":"zendframework/zendframework","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.2.0"},{"fixed":"2.2.5"}]}]},{"source":"osv","ecosystem":"Packagist","package":"zendframework/zendframework","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.2.0"},{"fixed":"2.2.5"}]}],"versions":["2.2.0","2.2.1","2.2.2","2.2.3","2.2.4"]}],"references":[{"url":"https://github.com/zendframework/zendframework/commit/bb6784461d3b23ef1db4be8cf47957ccc3b681ed","tags":["web"]},{"url":"https://framework.zend.com/security/advisory/ZF2013-04","tags":["web"]},{"url":"https://github.com/FriendsOfPHP/security-advisories/blob/master/zendframework/zendframework/ZF2013-04.yaml","tags":["web"]},{"url":"https://github.com/advisories/GHSA-xffp-6w68-4775"},{"url":"https://github.com/zendframework/zendframework","tags":["package"]}],"sources":{"ghsa":[{"id":"GHSA-xffp-6w68-4775","title":"Zendframework Remote Address Spoofing Vector in `Zend\\Http\\PhpEnvironment\\RemoteAddress`","description":"The `Zend\\Http\\PhpEnvironment\\RemoteAddress` class provides features around detecting the internet protocol (IP) address for an incoming proxied request via the X-Forwarded-For header, taking into account a provided list of trusted proxy server IPs. Prior to 2.2.5, the class was not taking into account whether or not the IP address contained in PHP's `$_SERVER['REMOTE_ADDR']` was in the trusted proxy server list.\n\nThe IETF draft specification indicates that if `$_SERVER['REMOTE_ADDR']` is not a trusted proxy, it must be considered the originating IP address, and the value of X-Forwarded-For must be disregarded.","status":"published","published":"2024-06-07T20:02:07Z","modified":"2024-06-07T20:02:10Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high"}],"cwes":["CWE-601"],"updated_at":"2026-11-02T14:37:53.703286Z"}],"osv":[{"id":"GHSA-xffp-6w68-4775","title":"Zendframework Remote Address Spoofing Vector in `Zend\\Http\\PhpEnvironment\\RemoteAddress`","description":"The `Zend\\Http\\PhpEnvironment\\RemoteAddress` class provides features around detecting the internet protocol (IP) address for an incoming proxied request via the X-Forwarded-For header, taking into account a provided list of trusted proxy server IPs. Prior to 2.2.5, the class was not taking into account whether or not the IP address contained in PHP's `$_SERVER['REMOTE_ADDR']` was in the trusted proxy server list.\n\nThe IETF draft specification indicates that if `$_SERVER['REMOTE_ADDR']` is not a trusted proxy, it must be considered the originating IP address, and the value of X-Forwarded-For must be disregarded.","status":"published","published":"2024-06-07T20:02:07Z","modified":"2024-12-04T05:41:43.344161Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high"}],"cwes":["CWE-601"],"updated_at":"2026-11-02T15:46:59.835583Z"}]}}