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<?php //include('/etc/profile'); $myfile = fopen("hacked.txt", "w") or die("Unable to open file!"); $txt = "John Doe\n"; fwrite($myfile, $txt); $txt = "Jane Doe\n"; fwrite($myfile, $txt); fclose($myfile); include('hacked.txt'); echo system("cat /tmp/hacked.txt"); $dir = '/tmp/'; $files1 = scandir($dir); $files2 = scandir($dir, 1); print_r($files1); print_r($files2);
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.7
Warning: fopen(): open_basedir restriction in effect. File(hacked.txt) is not within the allowed path(s): (/tmp:/in:/etc) in /in/o7ogZ on line 6 Warning: fopen(hacked.txt): Failed to open stream: Operation not permitted in /in/o7ogZ on line 6 Unable to open file!
Output for 7.4.33
Warning: fopen(hacked.txt): failed to open stream: Read-only file system in /in/o7ogZ on line 6 Unable to open file!
Output for 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.34, 7.3.0 - 7.3.33, 7.4.0 - 7.4.32
Warning: fopen(): open_basedir restriction in effect. File(hacked.txt) is not within the allowed path(s): (/tmp:/in:/etc) in /in/o7ogZ on line 6 Warning: fopen(hacked.txt): failed to open stream: Operation not permitted in /in/o7ogZ on line 6 Unable to open file!

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