The Tor Browser / file diff

     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/js/src/tests/js1_5/extensions/regress-390597.js	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,42 @@
     1.4 +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
     1.5 +/* This Source Code Form is subject to the terms of the Mozilla Public
     1.6 + * License, v. 2.0. If a copy of the MPL was not distributed with this
     1.7 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
     1.8 +
     1.9 +//-----------------------------------------------------------------------------
    1.10 +var BUGNUMBER = 390597;
    1.11 +var summary = 'watch point + eval-as-setter allows access to dead JSStackFrame';
    1.12 +var actual = 'No Crash';
    1.13 +var expect = 'No Crash';
    1.14 +
    1.15 +
    1.16 +//-----------------------------------------------------------------------------
    1.17 +test();
    1.18 +//-----------------------------------------------------------------------------
    1.19 +
    1.20 +function test()
    1.21 +{
    1.22 +  enterFunc ('test');
    1.23 +  printBugNumber(BUGNUMBER);
    1.24 +  printStatus (summary);
    1.25 + 
    1.26 +  function exploit() {
    1.27 +    try
    1.28 +    {
    1.29 +    var obj = this, args = null;
    1.30 +    obj.__defineSetter__("evil", eval);
    1.31 +    obj.watch("evil", function() { return "args = arguments;"; });
    1.32 +    obj.evil = null;
    1.33 +    eval("print(args[0]);");
    1.34 +    }
    1.35 +    catch(ex)
    1.36 +    {
    1.37 +      print('Caught ' + ex);
    1.38 +    }
    1.39 +  }
    1.40 +  exploit();
    1.41 +
    1.42 +  reportCompare(expect, actual, summary);
    1.43 +
    1.44 +  exitFunc ('test');
    1.45 +}