Telerik Web UI Information Disclosure (CVE-2017-9248)

A security bypass vulnerability exists in Telerik Web UI. Successful exploitation of this vulnerability can lead to cross-site scripting, arbitrary file uploads and downloads, leak of MachineKey and compromise of the ASP.NET ViewState on the affected system...

CVE-2017-9248

Telerik.Web.UI.dll in Progress Telerik UI for ASP.NET AJAX before R2 2017 SP1 and Sitefinity before 10.0.6412.0 does not properly protect Telerik.Web.UI.DialogParametersEncryptionKey or the MachineKey, which makes it easier for remote attackers to defeat cryptographic protection mechanisms, leadi...