CVE-2019-7217 : Vulnerability Insights and Analysis
Learn about CVE-2019-7217, a vulnerability in Citrix ShareFile before version 19.12 allowing User Enumeration without authentication. Find out the impact, affected systems, exploitation, and mitigation steps.
Citrix ShareFile before version 19.12 had a vulnerability allowing User Enumeration without authentication.
Understanding CVE-2019-7217
What is CVE-2019-7217?
Prior to version 19.12, Citrix ShareFile had a vulnerability where User Enumeration was possible. By examining server responses and utilizing a request to verify the OTP code, it was feasible to determine application usernames without authentication.
The Impact of CVE-2019-7217
This vulnerability could potentially lead to unauthorized access to sensitive information and compromise user privacy.
Technical Details of CVE-2019-7217
Vulnerability Description
Citrix ShareFile before 19.12 allows User Enumeration, enabling the enumeration of application usernames based on server responses using the request to check the OTP code.
Affected Systems and Versions
- Product: Citrix ShareFile
- Versions affected: Prior to version 19.12
Exploitation Mechanism
- Attackers could exploit this vulnerability by examining server responses and utilizing a request to verify the OTP code to determine application usernames.
Mitigation and Prevention
Immediate Steps to Take
- Upgrade Citrix ShareFile to version 19.12 or newer to mitigate this vulnerability.
- Monitor server responses for any unusual activities that could indicate enumeration attempts.
Long-Term Security Practices
- Implement multi-factor authentication to enhance user verification.
- Regularly review and update security protocols to address emerging threats.
Patching and Updates
- Stay informed about security updates and patches released by Citrix and apply them promptly to protect against known vulnerabilities.