Horizon Alert
Summary of the vulnerability and why it matters
Progress Telerik UI for ASP.NET AJAX contains a vulnerability within its RadAsyncUpload function that allows for the execution of arbitrary code. This occurs when the application processes untrusted data, potentially enabling attackers to compromise the server. The impact can extend to unauthorized access and manipulation of sensitive business information.
- Vulnerable RadAsyncUpload function
- Untrusted data deserialization
- Remote code execution and data compromise
Attack Path
How an attacker could exploit the issue
The Progress Telerik UI for ASP.NET AJAX component contains a .NET deserialization vulnerability within its RadAsyncUpload function. This vulnerability can be exploited if an attacker knows the encryption keys, which can occur if other related vulnerabilities are present or through other means. Successful exploitation allows an attacker to execute remote code.
- Publicly accessible web applications using the component.
- Attacker sends specially crafted data.
- Remote code execution on the server.
Live Threat
Current exploitation, exposure, and threat context
This vulnerability in Progress Telerik UI for ASP.NET AJAX allows attackers to execute arbitrary code on a server. It can be exploited remotely if encryption keys are known, potentially leading to significant data compromise or system control. The vulnerability has been observed in attacks against a U.S. federal agency. Given its exploitability and potential for severe damage, organizations using the affected software should treat this as a high-priority issue.
- Attackers with low skill level.
- Remote access without authentication.
- Significant business risk and urgency.
Priority actions
Operational Fix
Recommended remediation, mitigation, and detection steps
This vulnerability in Progress Telerik UI for ASP.NET AJAX could allow attackers to execute code remotely. The risk is associated with the RadAsyncUpload function, particularly when encryption keys are compromised or otherwise exposed. Exploitation may lead to unauthorized code execution on affected systems, posing a significant business risk.
- Find all Progress Telerik UI for ASP.NET AJAX assets.
- Reduce exposure by restricting access to the RadAsyncUpload function.
- Apply vendor updates, verify the fix, and monitor for related incidents.
