Local Privilege Escalation in GlobalProtect Agent for Windows (PAN-SA-2019-0036)

Last revised: 10/15/2019

Summary

A Local Privilege Escalation vulnerability exists in the GlobalProtect Agent for Windows auto-update feature that can allow for modification of a GlobalProtect Agent MSI installer package on disk before installation. (Ref # GPC-8977, CVE-2019-17435)

Severity: Medium

Successful exploitation of this issue may allow a low-privileged local user to escalate their privileges to the System user.

Products Affected

GlobalProtect Agent 5.0.3 and earlier for Windows and GlobalProtect Agent 4.1.12 and earlier for Windows.

Available Updates

GlobalProtect Agent 4.1.13 and later for Windows and GlobalProtect Agent 5.0.4 and later for Windows.

Workarounds and Mitigations

N/A

Acknowledgements

Palo Alto Networks would like to thank Hanno Heinrichs of CrowdStrike Intelligence for reporting this issue.