CVE-2019-18935: Progress Telerik UI for ASP.NET AJAX Deserialization of Untrusted Data Vulnerability
Progress Telerik UI for ASP.NET AJAX through 2019.3.1023 contains a .NET deserialization vulnerability in the RadAsyncUpload function. This is exploitable when the encryption keys are known due to the presence of CVE-2017-11317 or CVE-2017-11357, or other means. Exploitation can result in remote code execution. (As of 2020.1.114, a default setting prevents the exploit. In 2019.3.1023, but not earlier versions, a non-default setting can prevent exploitation.)
Other sources
Progress Telerik UI for ASP.NET AJAX contains a deserialization of untrusted data vulnerability through RadAsyncUpload which leads to code execution on the server in the context of the w3wp.exe process.
— CISA
Affected Software
Event History
Frequently Asked Questions
What is CVE-2019-18935?
CVE-2019-18935 is a vulnerability in Progress Telerik UI for ASP.NET AJAX that allows for the deserialization of untrusted data.
How severe is CVE-2019-18935?
CVE-2019-18935 has a severity rating of 9.8, which is considered critical.
What software is affected by CVE-2019-18935?
Progress Telerik UI for ASP.NET AJAX versions between 2011.1.315 and 2019.3.1023 are affected by CVE-2019-18935.
How can CVE-2019-18935 be exploited?
CVE-2019-18935 can be exploited when the encryption keys are known or through other means, which can result in remote code execution.
Are there any resources for further information about CVE-2019-18935?
Yes, you can find more information about CVE-2019-18935 at the following references: [link1](http://packetstormsecurity.com/files/155720/Telerik-UI-Remote-Code-Execution.html), [link2](http://packetstormsecurity.com/files/159653/Telerik-UI-ASP.NET-AJAX-RadAsyncUpload-Deserialization.html), [link3](https://codewhitesec.blogspot.com/2019/02/telerik-revisited.html).