diff options
| -rw-r--r-- | system/helpers/path_helper.php | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/system/helpers/path_helper.php b/system/helpers/path_helper.php index 34eebc4b0..019e220f3 100644 --- a/system/helpers/path_helper.php +++ b/system/helpers/path_helper.php @@ -61,8 +61,7 @@ if ( ! function_exists('set_realpath')) function set_realpath($path, $check_existance = FALSE) { // Security check to make sure the path is NOT a URL. No remote file inclusion! - // PROBLEM HERE - this can be easily bypassed in case of subdomains - if (preg_match('#^(http:\/\/|https:\/\/|www\.|ftp|[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3})#i', $path)) + if (preg_match('#^(http:\/\/|https:\/\/|www\.|ftp|[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3})#i', $path) || ( function_exists('fsockopen') && @fsockopen($path, 80, $errno, $errstr, 30))) { show_error('The path you submitted must be a local server path, not a URL'); } |