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Do not allow directory traversal using "../" 

We should not allow directory traversals using "../" here.

To test access the following URL once with and then without this patch:

http://localhost/server/index.php/apps/files/?dir=../../This+Should+Not+Be+Here
This commit is contained in:
Lukas Reschke 2016-07-01 13:33:00 +02:00
parent 23cc465b0d
commit 2da43e3751
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GPG Key ID: 9AB0ADB949B6898C
2 changed files with 5 additions and 1 deletions
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2
apps/files/js/filelist.js
View File

@ -1333,7 +1333,7 @@
* @param changeUrl true to also update the URL, false otherwise (default)
*/
_setCurrentDir: function(targetDir, changeUrl) {
targetDir = targetDir.replace(/\\/g, '/');
targetDir = targetDir.replace(/\\/g, '/').replace(/\.\.\//g, '');
var previousDir = this.getCurrentDirectory(),
baseDir = OC.basename(targetDir);

4
apps/files/tests/js/filelistSpec.js
View File

@ -1323,6 +1323,10 @@ describe('OCA.Files.FileList tests', function() {
fileList.changeDirectory('/another\\subdir');
expect(fileList.getCurrentDirectory()).toEqual('/another/subdir');
});
it('converts backslashes to slashes and removes traversals when calling changeDirectory()', function() {
fileList.changeDirectory('/another\\subdir/../foo\\../bar\\..\\file/..\\folder/../');
expect(fileList.getCurrentDirectory()).toEqual('/another/subdir/foo/bar/file/folder/');
});
it('switches to root dir when current directory does not exist', function() {
fileList.changeDirectory('/unexist');
deferredList.reject(404);