CVE-2022-0019: GlobalProtect App: Insufficiently Protected Credentials Vulnerability on Linux
First published: Wed Feb 09 2022(Updated: )
An insufficiently protected credentials vulnerability exists in the Palo Alto Networks GlobalProtect app on Linux that exposes the hashed credentials of GlobalProtect users that saved their password during previous GlobalProtect app sessions to other local users on the system. The exposed credentials enable a local attacker to authenticate to the GlobalProtect portal or gateway as the target user without knowing of the target user’s plaintext password. This issue impacts: GlobalProtect app 5.1 versions earlier than GlobalProtect app 5.1.10 on Linux. GlobalProtect app 5.2 versions earlier than and including GlobalProtect app 5.2.7 on Linux. GlobalProtect app 5.3 versions earlier than GlobalProtect app 5.3.2 on Linux. This issue does not affect the GlobalProtect app on other platforms.
Credit: psirt@paloaltonetworks.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Paloaltonetworks Globalprotect | >=5.1<5.1.10 | |
| Paloaltonetworks Globalprotect | >=5.2<=5.2.7 | |
| Paloaltonetworks Globalprotect | >=5.3<5.3.2 | |
| Linux Linux kernel |
Remedy
This issue is fixed in GlobalProtect app 5.1.10 on Linux, GlobalProtect app 5.3.2 on Linux, and all later GlobalProtect app versions. Existing credentials files that are exposed by this issue will be secured when the fixed GlobalProtect app is launched.
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Reference Links
Frequently Asked Questions
What is the vulnerability ID for this issue?
The vulnerability ID for this issue is CVE-2022-0019.
What is the affected software?
The affected software is Palo Alto Networks GlobalProtect version 5.1 to 5.1.10, version 5.2 to 5.2.7, and version 5.3 to 5.3.2 on Linux.
How severe is CVE-2022-0019?
CVE-2022-0019 has a severity rating of medium (5.5).
What is the vulnerability description?
CVE-2022-0019 is an insufficiently protected credentials vulnerability in the Palo Alto Networks GlobalProtect app on Linux that exposes hashed credentials of GlobalProtect users to other local users on the system.
How can I fix CVE-2022-0019?
To fix CVE-2022-0019, upgrade Palo Alto Networks GlobalProtect to a version that is not vulnerable.
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