Palo Alto Networks Security Advisories / CVE-2020-1976

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

047910
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

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

VersionsAffectedUnaffected
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.
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