CVE-2018-16093 : Security Advisory and Response
Discover the impact of CVE-2018-16093 on LXCI for VMware. Learn about the vulnerability allowing file modifications and how to prevent unauthorized access. Update to version 5.5 for security.
CVE-2018-16093, related to LXCI for VMware, allowed authorized users to modify system files due to inadequate sanitization during backup file uploads.
Understanding CVE-2018-16093
What is CVE-2018-16093?
In versions prior to 5.5, LXCI for VMware permitted authenticated users to write to any system file, posing a risk of information disclosure.
The Impact of CVE-2018-16093
The vulnerability could lead to unauthorized modification of critical system files, potentially resulting in data leaks and system compromise.
Technical Details of CVE-2018-16093
Vulnerability Description
Before version 5.5, LXCI for VMware lacked proper sanitization during backup file uploads, allowing users to modify system files.
Affected Systems and Versions
- Product: LXCI for VMware
- Vendor: Lenovo
- Versions Affected: < 5.5
Exploitation Mechanism
The flaw enabled authorized users to exploit the upload functionality to tamper with system files, leading to potential information disclosure.
Mitigation and Prevention
Immediate Steps to Take
- Update LXCI for VMware to version 5.5 or higher to mitigate the vulnerability.
Long-Term Security Practices
- Regularly monitor and audit file modifications and access permissions.
- Implement strict file upload sanitization measures to prevent similar issues.
Patching and Updates
- Stay informed about security updates and promptly apply patches to ensure system integrity.