CVE-2020-15529 : Exploit Details and Defense Strategies
Discover the privilege escalation vulnerability in GOG Galaxy Client 2.0.17, allowing local users to gain unauthorized access. Learn how to mitigate this security risk.
An issue was discovered in GOG Galaxy Client 2.0.17 that allows for local escalation of privileges through weak file permissions.
Understanding CVE-2020-15529
What is CVE-2020-15529?
The vulnerability in GOG Galaxy Client 2.0.17 enables a local user to escalate privileges during game installation or verify/repair operations due to weak file permissions.
The Impact of CVE-2020-15529
The vulnerability can be exploited by using opportunistic locks, potentially leading to unauthorized access and manipulation of system files.
Technical Details of CVE-2020-15529
Vulnerability Description
- Weak file permissions in GOG Galaxy Client 2.0.17 allow for local privilege escalation.
Affected Systems and Versions
- Product: GOG Galaxy Client
- Version: 2.0.17
Exploitation Mechanism
- The vulnerability can be exploited by leveraging opportunistic locks to gain escalated privileges.
Mitigation and Prevention
Immediate Steps to Take
- Users should refrain from installing games or performing verify/repair operations until a patch is available.
- Implement least privilege access to limit the impact of potential privilege escalation.
Long-Term Security Practices
- Regularly update the GOG Galaxy Client to the latest version to address security vulnerabilities.
Patching and Updates
- Stay informed about security updates from GOG and apply patches promptly to mitigate the risk of privilege escalation.