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-390598.js	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,34 @@
     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 +//-----------------------------------------------------------------------------
    1.11 +var BUGNUMBER = 390598;
    1.12 +var summary = 'array_length_setter is exploitable';
    1.13 +var actual = 'No Crash';
    1.14 +var expect = 'No Crash';
    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 +    var fun = function () {};
    1.28 +    fun.__proto__ = [];
    1.29 +    fun.length = 0x50505050 >> 1;
    1.30 +    fun();
    1.31 +  }
    1.32 +  exploit();
    1.33 +
    1.34 +  reportCompare(expect, actual, summary);
    1.35 +
    1.36 +  exitFunc ('test');
    1.37 +}