Exploited
critical
9.8
CWE
502
Advisory Published
Updated

CVE-2019-18935: Progress Telerik UI for ASP.NET AJAX Deserialization of Untrusted Data Vulnerability

First published: Wed Dec 11 2019(Updated: )

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.)

Credit: cve@mitre.org cve@mitre.org

Affected SoftwareAffected VersionHow to fix
Telerik UI for ASP.NET AJAX>=2011.1.315<2019.3.1023
Progress Telerik UI for ASP.NET AJAX
Telerik UI for ASP.NET AJAX>=2011.1.315<=2020.1.114

Remedy

https://www.telerik.com/support/kb/aspnet-ajax/details/allows-javascriptserializer-deserialization

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Reference Links

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).

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