Back to KEVs

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...

Basic Information

CVE State
PUBLISHED
Reserved Date
May 28, 2017
Published Date
July 03, 2017
Last Updated
February 07, 2025
Vendor
n/a
Product
n/a
Description
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, leading to a MachineKey leak, arbitrary file uploads or downloads, XSS, or ASP.NET ViewState compromise.

CVSS Scores

SSVC Information

Exploitation
active
Automatable
Yes
Technical Impact
total

Exploit Status

Exploited in the Wild
Yes (added 2021-11-03 00:00:00 UTC) Source
Proof of Concept Available
Yes (added 2023-06-05 00:48:24 UTC) Source

References

http://www.telerik.com/support/kb/aspnet-ajax/details/cryptographic-weakness https://www.exploit-db.com/exploits/43873/ http://www.telerik.com/blogs/security-alert-for-telerik-ui-for-asp.net-ajax-and-progress-sitefinity http://www.securityfocus.com/bid/99965

Known Exploited Vulnerability Information

Source Added Date
CISA 2021-11-03 00:00:00 UTC

Potential Proof of Concepts

Warning: These PoCs have not been tested and could contain malware. Use at your own risk.

hlong12042/CVE-2017-9248

Type: github • Created: 2024-07-17 14:49:07 UTC • Stars: 0

cehamod/UI_CVE-2017-9248

Type: github • Created: 2023-06-05 00:48:24 UTC • Stars: 0

Base64-based encryption oracle exploit for CVE-2017-9248 (Telerik UI for ASP.NET AJAX dialog handler)

ictnamanh/CVE-2017-9248

Type: github • Created: 2019-10-23 13:57:11 UTC • Stars: 0