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AUSCERT External Security Bulletin Redistribution
ESB-2020.0521
GlobalProtect on MacOS: Local denial-of-service (DoS) vulnerability
14 February 2020
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AusCERT Security Bulletin Summary
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Product: GlobalProtect
Publisher: Palo Alto
Operating System: Mac OS
Impact/Access: Denial of Service -- Existing Account
Resolution: Patch/Upgrade
CVE Names: CVE-2020-1976
Original Bulletin:
https://securityadvisories.paloaltonetworks.com/CVE-2020-1976
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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
o This issue was discovered during a security test performed in collaboration
with IOActive.
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