| --TEST-- |
| Bug |
| --EXTENSIONS-- |
| dom |
| --SKIPIF-- |
| <?php |
| if (LIBXML_VERSION >= 20912) die('skip For libxml2 < 2.9.12 only'); |
| ?> |
| --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 $context; |
| public function stream_close ( ) { |
| $doc = new DOMDocument; |
| $doc->resolveExternals = true; |
| $doc->substituteEntities = true; |
| $dir = htmlspecialchars(dirname(getcwd())); |
| $dir = str_replace('\\', '/', $dir); |
| $doc->loadXML( <<<XML |
| <!DOCTYPE doc [ |
| <!ENTITY file SYSTEM "file:///$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 |
|
|
