CVE-2017-11357 : Vulnerability Insights and Analysis

Progress Telerik UI for ASP.NET AJAX prior to R2 2017 SP2 allows unauthorized file uploads or code execution.

Understanding CVE-2017-11357

This CVE involves a vulnerability in Telerik UI for ASP.NET AJAX that can be exploited by remote hackers.

What is CVE-2017-11357?

The vulnerability in Telerik UI for ASP.NET AJAX before R2 2017 SP2 allows attackers to upload files or execute code without authorization.

The Impact of CVE-2017-11357

This vulnerability enables remote hackers to carry out unauthorized file uploads or execute arbitrary code.

Technical Details of CVE-2017-11357

Progress Telerik UI for ASP.NET AJAX is affected by this vulnerability.

Vulnerability Description

The issue lies in the inadequate limitation of user input to RadAsyncUpload, allowing for unauthorized file uploads or code execution.

Affected Systems and Versions

Product: Progress Telerik UI for ASP.NET AJAX
Versions: Before R2 2017 SP2

Exploitation Mechanism

Hackers can exploit this vulnerability remotely to upload files or execute malicious code.

Mitigation and Prevention

It is crucial to take immediate steps to address and prevent exploitation of this vulnerability.

Immediate Steps to Take

Update Telerik UI for ASP.NET AJAX to at least R2 2017 SP2.
Implement proper input validation and sanitization mechanisms.
Monitor and restrict user input to prevent unauthorized file uploads.

Long-Term Security Practices

Regularly update software and apply security patches.
Conduct security assessments and penetration testing to identify vulnerabilities.

Patching and Updates

Apply the latest security patches and updates provided by Telerik.