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files >> /php-7.1.11/ext/gd/tests/ |
files >> //php-7.1.11/ext/gd/tests/bug66356.phpt |
--TEST-- Bug #66356 (Heap Overflow Vulnerability in imagecrop()) --SKIPIF-- <?php if(!extension_loaded('gd')){ die('skip gd extension not available'); } ?> --FILE-- <?php $img = imagecreatetruecolor(10, 10); // POC #1 var_dump(imagecrop($img, array("x" => "a", "y" => 0, "width" => 10, "height" => 10))); $arr = array("x" => "a", "y" => "12b", "width" => 10, "height" => 10); var_dump(imagecrop($img, $arr)); print_r($arr); // POC #2 var_dump(imagecrop($img, array("x" => 0, "y" => 0, "width" => -1, "height" => 10))); // POC #3 var_dump(imagecrop($img, array("x" => -20, "y" => -20, "width" => 10, "height" => 10))); // POC #4 var_dump(imagecrop($img, array("x" => 0x7fffff00, "y" => 0, "width" => 10, "height" => 10))); // bug 66815 var_dump(imagecrop($img, array("x" => 0, "y" => 0, "width" => 65535, "height" => 65535))); ?> --EXPECTF-- resource(%d) of type (gd) resource(%d) of type (gd) Array ( [x] => a [y] => 12b [width] => 10 [height] => 10 ) Warning: imagecrop(): gd warning: one parameter to a memory allocation multiplication is negative or zero, failing operation gracefully in %sbug66356.php on line %d bool(false) resource(%d) of type (gd) resource(%d) of type (gd) Warning: imagecrop(): gd warning: product of memory allocation multiplication would exceed INT_MAX, failing operation gracefully in %sbug66356.php on line %d bool(false)y~or5J={Eeu磝Qk ᯘG{?+]ן?wM3X^歌>{7پK>on\jy Rg/=fOroNVv~Y+ NGuÝHWyw[eQʨSb> >}Gmx[o[<{Ϯ_qFvM IENDB`