PHP 5.2 - Session.Save_Path() 'Safe_mode' / 'open_basedir' Restriction Bypass



EKU-ID: 34419 CVE: CVE-2006-6383;OSVDB-33269 OSVDB-ID:
Author: Maksymilian Arciemowicz Published: 2006-12-08 Verified: Verified
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source: https://www.securityfocus.com/bid/21508/info

PHP is prone to a 'safe_mode' and 'open_basedir' restriction-bypass vulnerability. Successful exploits could allow an attacker to access sensitive information or to write files in unauthorized locations.

This vulnerability would be an issue in shared-hosting configurations where multiple users can create and execute arbitrary PHP script code; in such cases, the 'safe_mode' and 'open_basedir' restrictions are expected to isolate users from each other.

PHP version 5.2.0 is vulnerable to this issue.

session_save_path("/DIR/WHERE/YOU/DONT/HAVE/ACCESS\0;/DIR/WHERE/YOU/HAVE/ACCESS")