The exec_dir PHP patch (php-exec-dir) 4.3.2 through 4.3.7 with safe mode disabled allows remote attackers to bypass restrictions and execute arbitrary commands via a backtick operator, which is not handled using the php_escape_shell_cmd function.

The exec_dir PHP patch (php-exec-dir) 4.3.2 through 4.3.7 with safe mode disabled allows remote attackers to bypass restrictions and execute arbitrary commands via a backtick operator, which is not handled using the php_escape_shell_cmd function.