Programmer's Reference Guide
| Zend_View_Abstract |
Migrating from Previous Versions
This chapter documents primarily backwards compatibility breaks made in Zend_View, and should serve to aid in migration from previous versions.
Migrating from versions prior to 1.7.5
Prior to the 1.7.5 release, the Zend Framework team was notified of a potential Local File Inclusion (LFI) vulnerability in the Zend_View::render() method. Prior to 1.7.5, the method allowed, by default, the ability to specify view scripts that included parent directory notation (e.g., "../" or "..\"). This opens the possibility for an LFI attack if unfiltered user input is passed to the render() method:
- // Where $_GET['foobar'] = '../../../../etc/passwd'
Zend_View now by default raises an exception when such a view script is requested.
Disabling LFI protection for the render() method
Since a number of developers reported that they were using such notation within their applications that was not the result of user input, a special flag was created to allow disabling the default protection. You have two methods for doing so: by passing the 'lfiProtectionOn' key to the constructor options, or by explicitly calling the setLfiProtection() method.
- // Disabling via constructor
- // Disabling via exlicit method call:
- $view = new Zend_View();
- $view->setLfiProtection(false);
| Zend_View_Abstract |