PAN-OS: Privilege Escalation Vulnerability in GlobalProtect

Overview

A privilege escalation vulnerability in the GlobalProtect gateway of Palo Alto Networks PAN-OS® software enables an authenticated, lower-privileged user to obtain the privileges and configuration of a higher-privileged user.

Cloud NGFW and Panorama are not affected by this vulnerability.

Affected

• cloud_ngfw
• PAN-OS >= 12.2.0 < 12.2.4-h2
• PAN-OS >= 12.1.0 < 12.1.10-h4
• PAN-OS >= 11.2.0 < 11.2.16-h2
• PAN-OS >= 11.1.0 < 11.1.16-h5
• prisma_access >= 12.1.0 < 12.1.10-h4
• prisma_access 11.2.0

Remediation

VERSION MINOR VERSION SUGGESTED SOLUTION Cloud NGFW No action needed. PAN-OS 12.2 12.2.0 through 12.2.4-h* Upgrade to 12.2.4-h2 or later. PAN-OS 12.1 12.1.2 through 12.1.10-h* Upgrade to 12.1.10-h4 or later. PAN-OS 11.2 11.2.0 through 11.2.16-h* Upgrade to 11.2.16-h2 or later. PAN-OS 11.1 11.1.0 through 11.1.16-h* Upgrade to 11.1.16-h5 or later. All older Upgrade to a supported fixed version. unsupported PAN-OS versions Prisma Access 12.1 12.1.2 through 12.1.10-h* Upgrade to 12.1.10-h4 or later. Prisma Access 11.2 Upgrade to 12.1.10-h4 or later.

• See the note under Product Status for information regarding Prisma Access upgrades.

Workarounds

Customers can mitigate the risk of this issue by taking the following actions:

1. Navigate to Network > GlobalProtect > Gateways (https://docs.paloaltonetworks.com/ngfw/help/10-2/globalprotect/network-globalprotect-gateways) in the management interface.
2. Click on your Gateway Name and go to the Authentication tab.
3. Under Client Authentication, select your existing client authentication configuration.
4. Change the Authentication Profile to a non-challenge profile (such as SAML), or assign a Certificate Profile to enforce client certificate authentication.
5. Click OK and Commit the changes.