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Today's topic is attacks against browser's XSS filter. XSS filter is a security function built in browsers. It aims to reduce the actual exploitation risk when web applications are vulnerable to XSS. The filter is regarded as a “best-effort second line of defense”. This means the filter is not expected to block 100% of attacks in the first place. The “first line” here is conventional security meas
SVG Fun Time - Firefox SVG Vector + Bypassing Chrome XSS Auditor I played around with SVG and the <use> element and found some interesting things, which I want to share. I do not know if anyone already posted some information about that. Let me know, if there is already information out there :) ====================== SVG - <use> element ====================== The <use> element is used in SVG to re
The Chrome XSS Protection (also known as XSS auditor) checks whether a script that’s about to run on a web page is also present in the request that fetched that web page. If the script is present in the request, that’s a strong indication that the web server might have been tricked into reflecting the script. So in short, it blocks reflected XSS attacks. A couple of months ago I discovered that th
on Hacker News and reddit Previously I wrote how you can use XSS Auditor for Great Good(report to administrator about detected XSS exploits) and how to destroy framebrakers/other scirpts with it(just passing script's code in a random parameter). Today's topic is really interesting. We are not hacking XSS Auditor anymore, we are hacking with it. I'll tell you how to steal referers with sensitive in
ChromeやSafariにはXSS Auditor、IE 8以上にはXSSフィルターという、XSSを検知してブロックする機能がそれぞれあります。 今回は、これを回避してみた記録です。 ・Chromeでバイパス はい!ついおととい報告したやつです! XSS Auditor bypass with U+2028/2029 https://bugs.webkit.org/show_bug.cgi?id=78732 なぜかSafariではブロックされる(中の人も理由がわからないと言っていた)んだけど、Chromeでは動きます。以下で試してみてください。 http://vulnerabledoma.in/char_test?charset=utf-8&xss=1&body=%3Cscript%3E//%E2%80%A8alert(1)%3C/script%3E http://vulnerabled
Manuel Fernández Fernández mfernandez at informatica64.com Wed May 25 16:50:34 BST 2011 Previous message: [Full-disclosure] Cisco Security Advisory: Cisco XR 12000 Series Shared Port Adapters Interface Processor Vulnerability Next message: [Full-disclosure] Cisco Security Advisory: Cisco IOS XR Software SSHv1 Denial of Service Vulnerability Messages sorted by: [ date ] [ thread ] [ subject ] [ aut
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