CVE-2020-5144 : Exploit Details and Defense Strategies

SonicWall Global VPN client version 4.10.4.0314 and earlier allows unprivileged Windows users to elevate privileges to SYSTEM through a loaded process hijacking vulnerability.

Understanding CVE-2020-5144

This CVE involves a privilege escalation vulnerability in SonicWall Global VPN Client.

What is CVE-2020-5144?

The vulnerability in SonicWall Global VPN Client version 4.10.4.0314 and earlier allows unprivileged Windows users to escalate their privileges to SYSTEM through a loaded process hijacking vulnerability.

The Impact of CVE-2020-5144

The vulnerability could be exploited by attackers to gain elevated privileges on the affected system, potentially leading to further compromise or unauthorized access.

Technical Details of CVE-2020-5144

This section provides more technical insights into the CVE.

Vulnerability Description

SonicWall Global VPN client version 4.10.4.0314 and earlier is susceptible to a privilege escalation issue that enables unprivileged users to elevate their permissions to SYSTEM through a loaded process hijacking vulnerability.

Affected Systems and Versions

Product: SonicWall Global VPN Client
Vendor: SonicWall
Versions Affected: 4.10.4.0314 and earlier

Exploitation Mechanism

The vulnerability can be exploited by unprivileged Windows users to manipulate loaded processes and escalate their privileges to SYSTEM level.

Mitigation and Prevention

Protecting systems from CVE-2020-5144 is crucial to maintaining security.

Immediate Steps to Take

Update SonicWall Global VPN Client to a patched version that addresses the privilege escalation vulnerability.
Monitor system logs for any suspicious activities indicating potential exploitation.

Long-Term Security Practices

Implement the principle of least privilege to restrict user permissions and limit the impact of potential privilege escalation attacks.
Regularly educate users on security best practices to enhance awareness and prevent social engineering attacks.

Patching and Updates

Stay informed about security updates and patches released by SonicWall for the Global VPN Client.
Promptly apply patches to mitigate known vulnerabilities and enhance the security posture of the system.