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...
CriticalCVSS 9.8
EPSS 75.1%
CISA KEV
added 2021-11-03 · due 2022-05-03
Exploited in the wild
Public exploit
PoC
- Published
- Updated
- Exploit status
- Exploited in the wild (confirmed)
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.
CISA Known Exploited Vulnerability
- Date added
- 2021-11-03
- Due date (FCEB)
- 2022-05-03
- Ransomware use
- Unknown
Required action
Apply updates per vendor instructions.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| progress sitefinity | < 10.0.6412.0 | 10.0.6412.0 |
| telerik ui for asp.net ajax | <= 2017.2.503 | No fix listed |
References
- 99965 broken-link third-party-advisory vdb-entry
- www.telerik.com vendor-advisory
- www.telerik.com mitigation vendor-advisory
- 43873 exploit third-party-advisory vdb-entry
- www.cisa.gov government-resource us-government-resource