Learn about CVE-2022-0017, an improper link resolution vulnerability in Palo Alto Networks GlobalProtect App on Windows, enabling local privilege escalation.
An improper link resolution before file access ('link following') vulnerability exists in the Palo Alto Networks GlobalProtect app on Windows that enables a local attacker to disrupt system processes and potentially execute arbitrary code with SYSTEM privileges under certain circumstances.
Understanding CVE-2022-0017
This CVE affects Palo Alto Networks' GlobalProtect App on Windows, impacting versions 5.1 and 5.2.
What is CVE-2022-0017?
This vulnerability allows a local attacker on Windows to exploit an improper link resolution issue in the GlobalProtect app, leading to local privilege escalation.
The Impact of CVE-2022-0017
The vulnerability can disrupt system processes and potentially allow the execution of unauthorized code with high privileges.
Technical Details of CVE-2022-0017
Vulnerability Description
The vulnerability arises from improper link resolution before file access, allowing local attackers to gain elevated privileges.
Affected Systems and Versions
Exploitation Mechanism
The vulnerability can be exploited locally by manipulating file access links.
Mitigation and Prevention
Immediate Steps to Take
Upgrade to GlobalProtect app 5.1.10 or 5.2.5 on Windows to address the vulnerability.
Long-Term Security Practices
Regularly update software and ensure systems are protected with the latest security patches.
Patching and Updates
Ensure all GlobalProtect app versions are kept up to date to prevent potential exploits.