mirror of
https://github.com/php/php-src.git
synced 2024-09-23 10:57:26 +00:00
64 lines
1.8 KiB
PHP
64 lines
1.8 KiB
PHP
--TEST--
|
|
Bug #61367: open_basedir bypass in libxml RSHUTDOWN: read test
|
|
--SKIPIF--
|
|
<?php if(!extension_loaded('dom')) echo 'skip dom extension not available'; ?>
|
|
--INI--
|
|
open_basedir=.
|
|
--FILE--
|
|
<?php
|
|
/*
|
|
* Note: Using error_reporting=E_ALL & ~E_NOTICE to suppress "Trying to get property of non-object" notices.
|
|
*/
|
|
class StreamExploiter {
|
|
public function stream_close ( ) {
|
|
$doc = new DOMDocument;
|
|
$doc->resolveExternals = true;
|
|
$doc->substituteEntities = true;
|
|
$dir = htmlspecialchars(dirname(getcwd()));
|
|
$dir = str_replace('\\', '/', $dir); // fix for windows
|
|
$doc->loadXML( <<<XML
|
|
<!DOCTYPE doc [
|
|
<!ENTITY file SYSTEM "file:///$dir/bad">
|
|
]>
|
|
<doc>&file;</doc>
|
|
XML
|
|
);
|
|
print $doc->documentElement->firstChild->nodeValue;
|
|
}
|
|
|
|
public function stream_open ( $path , $mode , $options , &$opened_path ) {
|
|
return true;
|
|
}
|
|
}
|
|
|
|
var_dump(mkdir('test_bug_61367-read'));
|
|
var_dump(mkdir('test_bug_61367-read/base'));
|
|
var_dump(file_put_contents('test_bug_61367-read/bad', 'blah'));
|
|
var_dump(chdir('test_bug_61367-read/base'));
|
|
|
|
stream_wrapper_register( 'exploit', 'StreamExploiter' );
|
|
$s = fopen( 'exploit://', 'r' );
|
|
|
|
?>
|
|
--CLEAN--
|
|
<?php
|
|
unlink('test_bug_61367-read/bad');
|
|
rmdir('test_bug_61367-read/base');
|
|
rmdir('test_bug_61367-read');
|
|
?>
|
|
--EXPECTF--
|
|
bool(true)
|
|
bool(true)
|
|
int(4)
|
|
bool(true)
|
|
|
|
Warning: DOMDocument::loadXML(): I/O warning : failed to load external entity "file:///%s/test_bug_61367-read/bad" in %s on line %d
|
|
|
|
Warning: DOMDocument::loadXML(): Failure to process entity file in Entity, line: 4 in %s on line %d
|
|
|
|
Warning: DOMDocument::loadXML(): Entity 'file' not defined in Entity, line: 4 in %s on line %d
|
|
|
|
Warning: Attempt to read property "firstChild" on null in %s on line %d
|
|
|
|
Warning: Attempt to read property "nodeValue" on null in %s on line %d
|