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

Reference GPC-9616

Discovered internally

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

Versions	Affected	Unaffected
GlobalProtect 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)

Weakness Type

CWE-642 External Control of Critical State Data

Solution

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

Workarounds and Mitigations

n/a

Acknowledgments

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