Cenzic 232 Patent
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How do we crash systems, browsers, or otherwise bring things to a halt, and how do we protect those things? 

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4 years ago
Alex Roichman
Of course, DoS by Regex is not a new class of vulnerabilities and I pointed out this in my presentation. What I wanted is to revisit an old attack and show how it can be easily leveraged on the Web. I also found that programmers and in many cases even security experts are not aware of Regex threats. So I wanted to expose the Regex problem to the application security community and also to encou
Forum: DoS
4 years ago
Alex Roichman
Alex Roichman and Adar Weidman form Checkmarx found a new attack vector on Web Applications. By exploiting the Regular Expression Denial of Service (ReDoS) vulnerability an attacker can make a Web application unavailable to its intended users. ReDoS is commonly known as a "bug" in systems, but Alex Roichman and Adar Weidman show how serious it is and how using this technique, various app
Forum: DoS
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