CVE-2019-18935: Progress Telerik UI for ASP.NET AJAX Deserialization of Untrusted Data Vulnerability
In CISA’s Known Exploited Vulnerabilities catalog: Progress Telerik UI for ASP.NET AJAX Deserialization of Untrusted Data Vulnerability.
Added , federal remediation due . Known ransomware use: Known.
Required action: Apply updates per vendor instructions.
Description
Progress Telerik UI for ASP.NET AJAX through 2019.3.1023 contains a .NET deserialization vulnerability in the RadAsyncUpload function. This is exploitable when the encryption keys are known due to the presence of CVE-2017-11317 or CVE-2017-11357, or other means. Exploitation can result in remote code execution. (As of 2020.1.114, a default setting prevents the exploit. In 2019.3.1023, but not earlier versions, a non-default setting can prevent exploitation.)
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Status incidents that name it
No tracked status incident names this CVE.
Affected vendors and products
Progress: Telerik UI for ASP.NET AJAX
References
- CVE record on cve.org (opens in new tab)
- NVD entry (opens in new tab)
- packetstormsecurity.com/files/155720/Telerik-UI-Remote-Code-Execution.html (opens in new tab)
- packetstormsecurity.com/files/159653/Telerik-UI-ASP.NET-AJAX-RadAsyncUpload-Deserialization.h… (opens in new tab)
- codewhitesec.blogspot.com/2019/02/telerik-revisited.html (opens in new tab)
- github.com/bao7uo/RAU_crypto (opens in new tab)
- github.com/noperator/CVE-2019-18935 (opens in new tab)
- know.bishopfox.com/research/cve-2019-18935-remote-code-execution-in-telerik-ui (opens in new tab)
- www.bleepingcomputer.com/news/security/us-federal-agency-hacked-using-old-telerik-bug-to-steal… (opens in new tab)
- www.telerik.com/support/kb/aspnet-ajax/details/allows-javascriptserializer-deserializ… (opens in new tab)
- www.telerik.com/support/whats-new/aspnet-ajax/release-history/ui-for-asp-net-ajax-r1-… (opens in new tab)
- www.telerik.com/support/whats-new/release-history (opens in new tab)
- CVE records from the CVE Program (cve.org). CVE® is a registered trademark of The MITRE Corporation. (opens in new tab)
- This product uses data from the NVD API but is not endorsed or certified by the NVD. (opens in new tab)
- Known Exploited Vulnerabilities catalog from CISA. (opens in new tab)
- EPSS scores from FIRST (Exploit Prediction Scoring System). (opens in new tab)