Vulnerability 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.)
CVSS Score
CRITICAL
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Telerik | Ui For Asp.Net Ajax | >= 2011.1.315, <= 2020.1.114 |
Related Weaknesses (CWE)
References
- http://packetstormsecurity.com/files/155720/Telerik-UI-Remote-Code-Execution.htmThird Party AdvisoryVDB Entry
- http://packetstormsecurity.com/files/159653/Telerik-UI-ASP.NET-AJAX-RadAsyncUploExploitThird Party AdvisoryVDB Entry
- https://codewhitesec.blogspot.com/2019/02/telerik-revisited.htmlNot Applicable
- https://github.com/bao7uo/RAU_cryptoExploitThird Party Advisory
- https://github.com/noperator/CVE-2019-18935ExploitThird Party Advisory
- https://know.bishopfox.com/research/cve-2019-18935-remote-code-execution-in-teleExploitThird Party Advisory
- https://www.bleepingcomputer.com/news/security/us-federal-agency-hacked-using-olPress/Media Coverage
- https://www.telerik.com/support/kb/aspnet-ajax/details/allows-javascriptserializPatchVendor Advisory
- https://www.telerik.com/support/whats-new/aspnet-ajax/release-history/ui-for-aspRelease Notes
- https://www.telerik.com/support/whats-new/release-historyRelease NotesVendor Advisory
- http://packetstormsecurity.com/files/155720/Telerik-UI-Remote-Code-Execution.htmThird Party AdvisoryVDB Entry
- http://packetstormsecurity.com/files/159653/Telerik-UI-ASP.NET-AJAX-RadAsyncUploExploitThird Party AdvisoryVDB Entry
- https://codewhitesec.blogspot.com/2019/02/telerik-revisited.htmlNot Applicable
- https://github.com/bao7uo/RAU_cryptoExploitThird Party Advisory
- https://github.com/noperator/CVE-2019-18935ExploitThird Party Advisory
FAQ
What is CVE-2019-18935?
CVE-2019-18935 is a vulnerability with a CVSS score of 9.8 (CRITICAL). 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...
How severe is CVE-2019-18935?
CVE-2019-18935 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2019-18935?
Check the references section above for vendor advisories and patch information. Affected products include: Telerik Ui For Asp.Net Ajax.