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PHP 'error_log' Safe Mode Restriction-Bypass Vulnerability
21 Nov 2008
PHP is prone to a 'safe_mode' restriction-bypass vulnerability. Successful exploits could allow an attacker 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, with the 'safe_mode' restrictions assumed to isolate the users from each other.

This issue is reported to affect PHP 5.2.6; other versions may also be vulnerable.
Securityfocus.com


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