9.8

CVE-2017-9248

Warning
Exploit

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.

Data is provided by the National Vulnerability Database (NVD)
Progress ≫ Sitefinity Version < 10.0.6412.0
Telerik ≫ Ui For Asp.Net Ajax Version <= 2017.2.503

03.11.2021: CISA Known Exploited Vulnerabilities (KEV) Catalog

Progress Telerik UI for ASP.NET AJAX and Sitefinity Cryptographic Weakness Vulnerability

Vulnerability

Progress Telerik UI for ASP.NET AJAX and Sitefinity have a cryptographic weakness in Telerik.Web.UI.dll that can be exploited to disclose encryption keys (Telerik.Web.UI.DialogParametersEncryptionKey and/or the MachineKey), perform cross-site-scripting (XSS) attacks, compromise the ASP.NET ViewState, and/or upload and download files.

Description

Apply updates per vendor instructions.

Required actions
EPSS Metriken
Type Source Score Percentile
EPSS FIRST.org 87.8% 0.994
CVSS Metriken
Source Base Score Exploit Score Impact Score Vector string
nvd@nist.gov 9.8 3.9 5.9
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
nvd@nist.gov 7.5 10 6.4
AV:N/AC:L/Au:N/C:P/I:P/A:P
134c704f-9b21-4f2e-91b3-4a467353bcc0 9.8 3.9 5.9
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE-522 Insufficiently Protected Credentials

The product transmits or stores authentication credentials, but it uses an insecure method that is susceptible to unauthorized interception and/or retrieval.

http://www.securityfocus.com/bid/99965
Third Party Advisory
Broken Link
VDB Entry
https://www.exploit-db.com/exploits/43873/
Third Party Advisory
Exploit
VDB Entry