CVE-2020-11827 : Vulnerability Insights and Analysis

In GOG Galaxy 1.2.67, a vulnerability exists in the GalaxyClientService.exe service due to weak file/service permissions. This flaw allows an attacker to execute malicious code, escalate privileges, and run commands with SYSTEM rights.

Understanding CVE-2020-11827

This CVE identifies a privilege escalation vulnerability in GOG Galaxy 1.2.67.

What is CVE-2020-11827?

The vulnerability in GOG Galaxy 1.2.67 allows an attacker to exploit weak file/service permissions in the GalaxyClientService.exe, enabling privilege escalation and command execution.

The Impact of CVE-2020-11827

The vulnerability permits an attacker to elevate privileges and execute commands with SYSTEM rights, potentially leading to unauthorized system access and control.

Technical Details of CVE-2020-11827

This section provides technical insights into the vulnerability.

Vulnerability Description

The weak file/service permissions in GalaxyClientService.exe allow an attacker to insert malicious code, leading to privilege escalation and unauthorized command execution.

Affected Systems and Versions

Affected System: GOG Galaxy 1.2.67
Affected Component: GalaxyClientService.exe

Exploitation Mechanism

The attacker can inject malicious code into GalaxyClientService.exe, restart the service as an unprivileged user, and then exploit the escalated privileges to run commands with SYSTEM rights.

Mitigation and Prevention

Protecting systems from CVE-2020-11827 requires immediate actions and long-term security practices.

Immediate Steps to Take

Disable or restrict access to GalaxyClientService.exe if not essential
Monitor system logs for suspicious activities
Implement the principle of least privilege

Long-Term Security Practices

Regularly update GOG Galaxy to the latest version
Conduct security assessments and penetration testing
Educate users on security best practices

Patching and Updates

Apply patches and security updates provided by GOG Galaxy