Privilege Escalation via Race Condition in Palo Alto GlobalProtect macOS Client

Executive Summary

This is a race condition vulnerability in the Palo Alto Networks GlobalProtect client for macOS. It allows a locally authenticated low-privileged attacker to escalate their privileges to root.

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Detection Guidance

To detect this vulnerability, check the installed version of the GlobalProtect client on macOS. Compare it against the affected versions: 6.3.x prior to 6.3.3-h14, 6.2.x prior to 6.2.8-h13, or 6.0.x prior to 6.0.15. Run commands like 'system_profiler SPSoftwareDataType' or 'pkgutil --pkg-info com.paloaltonetworks.GlobalProtect' to verify the version.

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Impact Analysis

A successful exploit could allow an attacker with local access to gain full control of the affected macOS system, potentially leading to unauthorized data access, system manipulation, or further network compromise.

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Compliance Impact

This vulnerability does not directly affect compliance with GDPR or HIPAA as it is a local privilege escalation issue with limited impact. However, organizations must ensure proper patching to maintain security controls required by these standards.

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Mitigation Strategies

Immediately upgrade the GlobalProtect client on macOS to the latest patched versions: 6.3.3-h14 or later, 6.2.8-h13 or later, or 6.0.15 or later. Ensure no active exploitation is occurring by monitoring system logs for unusual privilege escalation attempts.

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