blob: 466584f9686492585630b70df5e9e296858b6e11 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
|
--TEST--
Testing null byte injection in imagewbmp
--SKIPIF--
<?php
if(!extension_loaded('gd')){ die('skip gd extension not available'); }
$support = gd_info();
if (!isset($support['WBMP Support']) || $support['WBMP Support'] === false) {
print 'skip wbmp support not available';
}
?>
--CLEAN--
$tempdir = sprintf("%s/%s", sys_get_temp_dir(), preg_replace("~\.php$~", null, __FILE__));
foreach (glob($tempdir . "/test*") as $file ) { unlink($file); }
rmdir($tempdir);
--FILE--
<?php
$image = imagecreate(1,1);// 1px image
$tempdir = sprintf("%s/%s", sys_get_temp_dir(), preg_replace("~\.php$~", null, __FILE__));
if (!is_dir($tempdir)) {
mkdir ($tempdir, 0777, true);
}
$userinput = "1\0"; // from post or get data
$temp = $tempdir. "/test" . $userinput .".tmp";
echo "\nimagewbmp TEST\n";
imagewbmp($image, $temp);
var_dump(file_exists($tempdir. "/test1"));
var_dump(file_exists($tempdir. "/test1.tmp"));
?>
--EXPECTF--
imagewbmp TEST
Warning: imagewbmp(): Invalid 2nd parameter, filename must not contain null bytes in %s on line %d
bool(false)
bool(false)
|
