CVE-2020-1976 GlobalProtect on MacOS: Local denial-of-service (DoS) vulnerability.

Palo Alto Networks Security Advisories / CVE-2020-1976

CVE-2020-1976 GlobalProtect on MacOS: Local denial-of-service (DoS) vulnerability.

Severity 4.7 · MEDIUM

Attack Vector LOCAL

Attack Complexity HIGH

Privileges Required LOW

User Interaction NONE

Scope UNCHANGED

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

NVD JSON

Published: 2020-02-12

Updated: 2020-02-12

Ref#: GPC-9616

Description

A denial-of-service (DoS) vulnerability in Palo Alto Networks GlobalProtect software running on Mac OS allows authenticated local users to cause the Mac OS kernel to hang or crash.

This issue affects GlobalProtect 5.0.5 and earlier versions of GlobalProtect 5.0 on Mac OS.

Product Status

GlobalProtect

Versions	Affected	Unaffected
5.0	<= 5.0.5 on Mac OS	>= 5.0.6 on Mac OS

Severity: MEDIUM

CVSSv3.1 Base Score: 4.7 (CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H)

Solution

This issue is fixed in GlobalProtect 5.0.6, GlobalProtect 5.1.0, and all later versions.

Workarounds and Mitigations

n/a

Acknowledgements

This issue was discovered during a security test performed in collaboration with IOActive.