CVE-2019-17387 : Vulnerability Insights and Analysis

Aviatrix VPN Client authentication flaw allows privilege escalation on Windows, Linux, and macOS systems.

Understanding CVE-2019-17387

The AVPNC_RP service in Aviatrix VPN Client before version 2.2.10 is vulnerable to an authentication flaw that can be exploited for privilege escalation.

What is CVE-2019-17387?

This CVE identifies a vulnerability in the authentication mechanism of the AVPNC_RP service in Aviatrix VPN Client, enabling attackers to execute arbitrary code and gain elevated privileges on Windows, Linux, and macOS systems.

The Impact of CVE-2019-17387

The vulnerability allows attackers to obtain higher levels of privileges by executing arbitrary code on affected systems, potentially leading to unauthorized access and control.

Technical Details of CVE-2019-17387

The technical aspects of the vulnerability are as follows:

Vulnerability Description

The AVPNC_RP service in Aviatrix VPN Client through version 2.2.10 contains an authentication flaw that permits attackers to execute arbitrary code, resulting in privilege escalation.

Affected Systems and Versions

Operating Systems: Windows, Linux, macOS
Aviatrix VPN Client versions before 2.2.10

Exploitation Mechanism

Attackers can exploit this vulnerability by executing arbitrary code through the AVPNC_RP service, allowing them to gain elevated privileges on the affected systems.

Mitigation and Prevention

To address CVE-2019-17387, consider the following mitigation strategies:

Immediate Steps to Take

Update Aviatrix VPN Client to version 2.2.10 or later to mitigate the vulnerability.
Monitor system logs for any suspicious activities indicating potential exploitation.

Long-Term Security Practices

Implement the principle of least privilege to restrict user access and limit potential damage from privilege escalation attacks.
Regularly review and update security configurations to prevent similar vulnerabilities in the future.

Patching and Updates

Stay informed about security updates and patches released by Aviatrix for the VPN Client.
Apply patches promptly to ensure the security of the system and prevent exploitation of known vulnerabilities.