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.
Public exploits
Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.
Exploit-DB 1
- Telerik UI for ASP.NET AJAX 2012.3.1308 < 2017.1.118 - Encryption Keys Disclosure EDB-43873 · webapps · Jan 24, 2018
GitHub 7 repositories
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bao7uo/dp_crypto ★ 177 · Jan 16, 2018
Base64-based encryption oracle exploit for CVE-2017-9248 (Telerik UI for ASP.NET AJAX dialog handler)
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capt-meelo/Telewreck ★ 95 · Aug 3, 2018
A Burp extension to detect and exploit versions of Telerik Web UI vulnerable to CVE-2017-9248.
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blacklanternsecurity/dp_cryptomg ★ 61 · Oct 4, 2022
Another tool for exploiting CVE-2017-9248, a cryptographic weakness in Telerik UI for ASP.NET AJAX dialog handler.
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0xsharz/telerik-scanner-cve-2017-9248 ★ 2 · May 28, 2025
Telerik CVE-2017-9248 Vulnerability Scanner
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cehamod/UI_CVE-2017-9248 ★ 0 · Jun 5, 2023
Base64-based encryption oracle exploit for CVE-2017-9248 (Telerik UI for ASP.NET AJAX dialog handler)
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oldboysonnt/dp ★ 0 · May 24, 2021
Exploit CVE-2017-9248 Telerik ReMix from Paul Taylor's script. Exploit Telerik lastest version fixed vuln. ReMix by TinoKa & Shaco JX
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ictnamanh/CVE-2017-9248 ★ 0 · Oct 23, 2019
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
Advisories 1
- ICSA-21-077-03 Hitachi ABB Power Grids eSOMS Telerik CISA ICS & IT advisories · Mar 18, 2021