blob: 63e99a8e50a2f2f18abdaecb149c4aa7e4a522d1 (
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
38
39
40
41
42
43
44
45
46
|
--TEST--
Bug #61367: open_basedir bypass in libxml RSHUTDOWN: write test
--SKIPIF--
<?php if(!extension_loaded('dom')) echo 'skip'; ?>
--INI--
open_basedir=.
--FILE--
<?php
class StreamExploiter {
public function stream_close ( ) {
$doc = new DOMDocument;
$doc->appendChild($doc->createTextNode('hello'));
var_dump($doc->save(dirname(getcwd()) . '/bad'));
}
public function stream_open ( $path , $mode , $options , &$opened_path ) {
return true;
}
}
var_dump(mkdir('test_bug_61367-write'));
var_dump(mkdir('test_bug_61367-write/base'));
var_dump(file_put_contents('test_bug_61367-write/bad', 'blah'));
var_dump(chdir('test_bug_61367-write/base'));
stream_wrapper_register( 'exploit', 'StreamExploiter' );
$s = fopen( 'exploit://', 'r' );
?>
--CLEAN--
<?php
@unlink('test_bug_61367-write/bad');
rmdir('test_bug_61367-write/base');
rmdir('test_bug_61367-write');
?>
--EXPECTF--
bool(true)
bool(true)
int(4)
bool(true)
Warning: DOMDocument::save(): open_basedir restriction in effect. File(%s) is not within the allowed path(s): (.) in %s on line %d
Warning: DOMDocument::save(%s): failed to open stream: Operation not permitted in %s on line %d
bool(false)
|
