CVE-2018-10647 : Vulnerability Insights and Analysis
Learn about CVE-2018-10647, a privilege escalation flaw in SaferVPN 4.2.5 for Windows, allowing attackers to execute code as the SYSTEM user. Find mitigation steps and preventive measures here.
A privilege escalation vulnerability has been identified in the Windows version of SaferVPN 4.2.5, allowing malicious users to execute code under the SYSTEM user context.
Understanding CVE-2018-10647
What is CVE-2018-10647?
This CVE refers to a privilege escalation vulnerability in SaferVPN 4.2.5 for Windows, specifically in the "SaferVPN.Service" service.
The Impact of CVE-2018-10647
The vulnerability allows authenticated attackers to modify configuration files to execute code as the SYSTEM user, potentially leading to unauthorized access and control of the system.
Technical Details of CVE-2018-10647
Vulnerability Description
The vulnerability arises from the execution of "openvpn.exe" using OpenVPN config files stored in the user's directory, enabling the execution of code under the SYSTEM user context.
Affected Systems and Versions
- SaferVPN 4.2.5 for Windows
Exploitation Mechanism
- Attackers with authentication privileges can modify configuration files to specify a dynamic library plugin, executing code for each new VPN connection attempt.
Mitigation and Prevention
Immediate Steps to Take
- Disable the affected service if not required
- Monitor system logs for any suspicious activities
Long-Term Security Practices
- Regularly update and patch software to mitigate known vulnerabilities
- Implement the principle of least privilege to restrict user access
Patching and Updates
- Apply patches and updates provided by SaferVPN to address the vulnerability