CVE-2019-17436 Local Privilege Escalation in GlobalProtect App for Linux and Mac OS
Attack Vector
LOCAL
Scope
UNCHANGED
Attack Complexity
LOW
Confidentiality Impact
NONE
Privileges Required
LOW
Integrity Impact
HIGH
User Interaction
NONE
Availability Impact
HIGH
Description
A Local Privilege Escalation vulnerability exists in GlobalProtect App for Linux and Mac OSX that can allow non-root users to overwrite root files on the file system. (Ref # GPC-8945, CVE-2019-17436)
Successful exploitation of this issue may allow a low-privileged local user to escalate their privileges on the system.
This issue affects GlobalProtect App 5.0.4 and earlier for Linux and Mac OS and GlobalProtect App 4.1.12 and earlier for Linux and Mac OS.
Product Status
| Versions | Affected | Unaffected |
|---|---|---|
| GlobalProtect App 5.0 | <= 5.0.4 | >= 5.0.5 |
| GlobalProtect App 4.1 | <= 4.1.12 | >= 4.1.13 |
Severity: HIGH
CVSSv3.1 Base Score: 7.1 (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H)
Weakness Type
CWE-269 Improper Privilege Management
Solution
GlobalProtect App 4.1.13 and later for Linux and Mac OS and GlobalProtect App 5.0.5 and later for Linux and Mac OS.
Workarounds and Mitigations
N/A
Acknowledgments
Palo Alto Networks would like to thank Hanno Heinrichs of CrowdStrike Intelligence for reporting this issue.