CVE-2017-18176 Explained : Impact and Mitigation
Learn about CVE-2017-18176, a vulnerability in Progress Sitefinity 9.1 allowing XSS attacks through file uploads. Find out the impact, affected systems, exploitation mechanism, and mitigation steps.
Progress Sitefinity 9.1 vulnerability allows XSS attacks through file uploads, mitigated in Version 10.1.
Understanding CVE-2017-18176
Progress Sitefinity 9.1 vulnerability enables XSS attacks via file uploads, resolved in Version 10.1.
What is CVE-2017-18176?
The vulnerability in Progress Sitefinity 9.1 allows for XSS attacks through file uploads, as the JavaScript code within an HTML file shares the same source as the application's code. However, this issue has been resolved with the release of Version 10.1.
The Impact of CVE-2017-18176
- Allows attackers to execute malicious scripts through file uploads
- Can lead to unauthorized access, data theft, and other security breaches
Technical Details of CVE-2017-18176
Progress Sitefinity 9.1 vulnerability details and affected systems.
Vulnerability Description
- XSS vulnerability through file uploads
- JavaScript code in HTML files shares origin with application code
Affected Systems and Versions
- Progress Sitefinity 9.1
- Version 10.1 (resolved)
Exploitation Mechanism
- Attackers upload files containing malicious JavaScript
- JavaScript executes within the application's context
Mitigation and Prevention
Steps to mitigate and prevent CVE-2017-18176.
Immediate Steps to Take
- Update to Version 10.1 of Progress Sitefinity
- Implement input validation for file uploads
- Regularly monitor and audit file upload functionality
Long-Term Security Practices
- Conduct regular security assessments and penetration testing
- Educate users on safe file handling practices
Patching and Updates
- Apply security patches and updates promptly
- Stay informed about security advisories and best practices